Table of Contents
Task D-18 Services, diagnoses and repairs charging systems
Task Descriptor
A charging system is a set of components working to keep a charge and provide electrical energy for electrical devices on equipment.
Heavy duty equipment technicians must have a good understanding of equipment charging systems, their operation and components.
D-18.01 - Services charging systems
D-18.01 - Services charging systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-18.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-18.01.02P |
release and isolate stored energy in components |
stored energy is released and isolated in components according to manufacturers’ service information |
| D-18.01.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-18.01.04P |
perform sensory inspections |
sensory inspections are performed to identify worn, damaged and defective components |
| D-18.01.05P |
perform measurements |
measurements are performed and compared with manufacturers’ service information and according to jurisdictional regulations |
| D-18.01.06P |
remove and replace consumables |
consumables are removed and replaced according to manufacturers’ service information |
| D-18.01.07P |
recycle and dispose of consumables |
consumables are recycled and disposed of according to jurisdictional regulations |
| D-18.01.08P |
adjust and calibrate components |
components are adjusted and calibrated according to manufacturers’ service information |
| D-18.01.09P |
perform software updates |
software updates are performed according to manufacturers’ service information |
| D-18.01.10P |
document service information and inspection findings |
service information and inspection findings are documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, belt tension gauges, torque wrenches, load testers, ammeters, multimeters, laptop
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- components(charging systems) include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- measurements include: output voltage, output amperage, belt tension, resistance
- consumables include: belts, wiring, terminals, circuit protection devices, relays
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-18.01.01L |
demonstrate knowledge of charging systems, their components, characteristics, applications and operation |
identify types of charging systems and their components, and describe their characteristics and applications |
| describe operating principles of charging systems and their components |
| interpret information pertaining to charging systems and their components found in manufacturers’ service information |
| identify types of alternators and their components, and describe their ratings, characteristics, applications and operation |
| describe basic principles of electricity and circuit components |
| D-18.01.02L |
demonstrate knowledge of procedures to service charging systems and their components |
identify tools and equipment used to service charging systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to service charging systems and components |
| describe procedures to release and isolate stored energy |
| describe procedures to inspect charging systems and their components |
| describe procedures to clean charging system components |
| describe procedures to adjust and calibrate charging system components |
| describe procedures to service charging systems and their components |
| describe procedures to remove, replace, recycle and dispose of consumables |
| describe procedures to perform software updates |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
Range of Variables
- components(charging systems) include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- types of charging systems include: 12-volt, 24-volt, externally or internally regulated, onboard charger (lift truck, manlift)
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- types of alternators include: air/oil cooled, belt-driven, gear-driven, brush, brushless
- components (alternators) include: rotors, stators, pulleys, fans, rectifiers, brushes, regulators, diodes, capacitors, slip rings
- tools and equipment include: hand tools, shop tools, belt tension gauges, torque wrenches, load testers, ammeters, multimeters, laptop
- hazards include: sparks, moving components, burns, battery explosions, noise, crush/pinch points
- consumables include: belts, wiring, terminals, circuit protection devices, relays
D-18.02 - Diagnoses charging systems
D-18.02 - Diagnoses charging systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-18.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-18.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-18.02.03P |
perform sensory inspections |
sensory inspectionsare performed to identify conditions |
| D-18.02.04P |
verify complaint and expected performance |
complaint and expected performance is verified by comparing equipment operation to manufacturers’ service information |
| D-18.02.05P |
perform diagnostic procedures and tests |
diagnostic procedures and tests are performed according to manufacturers’ service information |
| D-18.02.06P |
verify diagnosis |
diagnosis is verified by interpreting test results and comparing them to manufacturers’ service information or expected values |
| D-18.02.07P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-18.02.08P |
remove and disassemble components to identify or confirm problem |
components are removed and disassembled to identify or confirm problem |
| D-18.02.09P |
perform measurements |
measurements are performed and compared with manufacturers’ service information |
| D-18.02.10P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-18.02.11P |
document test results and inspection findings |
test results and inspection findings are documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
| D-18.02.12P |
interpret diagnostic results to determine next steps |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include: overcharging, undercharging, fault lights and audible warning systems, smells, failed components, dead battery, noise
- tools and equipment include: hand tools, shop tools, belt tension gauges, torque wrenches, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- conditions include: damage, defect, wear
- tests include: voltage drops, alternator output, checking fault codes, checking belt tension, current
- components(charging systems) include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- measurements include: voltage, resistance, amperage
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-18.02.01L |
demonstrate knowledge of charging systems, their components, characteristics, applications and operation |
identify types of charging systems and their components, and describe their characteristics and applications |
| describe operating principles of charging systems |
| interpret information pertaining to charging systems found in manufacturers’ service information |
| identify types of alternators and their components, and describe their ratings, characteristics, applications and operation |
| describe basic principles of electricity and circuit components |
| D-18.02.02L |
demonstrate knowledge of procedures to diagnose charging systems and their components |
identify tools and equipment used to diagnose charging systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices to diagnose charging systems and their components |
| describe common causes and symptoms of problems |
| describe procedures to inspect charging systems and their components |
| describe procedures to test charging systems and their components |
| describe procedures to diagnose charging systems and their components |
| identify conditions found while diagnosing charging systems |
| identify steps for failure analysis |
| identify practices that reduce material waste |
| identify materials that can be reconditioned, reused or recycled |
Range of Variables
- components(charging systems) include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- types of charging systems include: 12-volt, 24-volt, externally or internally regulated, onboard charger (lift truck, manlift)
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- types of alternators include: air/oil cooled, belt-driven, gear-driven, brush, brushless
- components (alternators) include: rotors, stators, pulleys, fans, rectifiers, brushes, regulators, diodes, capacitors, slip rings
- tools and equipment include: hand tools, shop tools, belt tension gauges, torque wrenches, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- hazards include: sparks, moving components, burns, battery explosions, noise, crush/pinch points
- symptoms of problems include: overcharging, undercharging, fault lights and audible warning systems, smells, failed components, dead battery, noise
- conditions include: damage, defect, wear
D-18.03 - Repairs charging systems
D-18.03 - Repairs charging systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-18.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-18.03.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-18.03.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-18.03.04P |
remove, disassemble and inspect components for conditions |
components are removed, disassembled and inspected for conditions according to manufacturers’ service information |
| D-18.03.05P |
select parts and materials |
parts and materials are selected according to repair requirements and manufacturers’ service information |
| D-18.03.06P |
follow repair sequence |
repair sequence is followed according to manufacturers’ service information |
| D-18.03.07P |
assemble and install components |
components are assembled and installed according to manufacturers’ service information |
| D-18.03.08P |
replace components |
components are replaced according to manufacturers’ service information |
| D-18.03.09P |
adjustand calibrate components and parts |
components and parts are adjusted and calibrated according to manufacturers’ service information |
| D-18.03.10P |
perform software updates |
software updates are performed according to manufacturers’ service information |
| D-18.03.11P |
verify repairs |
repairs are verified using methods according to manufacturers’ service information |
| D-18.03.12P |
document repairs |
repairs are documented according to manufacturers’ requirements for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, belt tension gauges, torque wrenches, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- components(charging systems) include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- conditions include: damage, defect, wear
- methods include: bench testing, on-equipment testing, checking fault codes
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-18.03.01L |
demonstrate knowledge of charging systems, their components, characteristics, applications and operation |
identify types of charging systems and their components, and describe their characteristics and applications |
| describe operating principles of charging systems |
| interpret information pertaining to charging systems found in manufacturers’ service information |
| identify types of alternators and their components, and describe their ratings, characteristics, applications and operation |
| describe basic principles of electricity and circuit components |
| identify potential environmental impacts of repair, and describe associated mitigation and prevention measures |
| D-18.03.02L |
demonstrate knowledge of procedures to repair charging systems and their components |
identify tools and equipment used to repair charging systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to repairing charging systems |
| describe procedures to remove, disassemble, assemble and inspect components |
| describe procedures to adjust and calibrate components |
| describe procedures to recycle and dispose of components |
| describe procedures to excite alternators |
| describe methods to verify repairs |
| describe procedures to perform software updates |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
Range of Variables
- components(charging systems) include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- types of charging systems include: 12-volt, 24-volt, externally or internally regulated, onboard charger (lift truck, manlift)
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- types of alternators include: air/oil cooled, belt-driven, gear-driven, brush, brushless
- components (alternators) include: rotors, stators, pulleys, fans, rectifiers, brushes, regulators, diodes, capacitors, slip rings
- tools and equipment include: hand tools, shop tools, belt tension gauges, torque wrenches, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- hazards include: sparks, moving components, burns, battery explosions, noise, crush/pinch points
- methods include: bench testing, on-equipment testing, checking fault codes
Task D-19 Services, diagnoses and repairs starting systems
Task Descriptor
A starting system is an electrical or pneumatic system that starts the engine.
Heavy duty equipment technicians must have a good understanding of starting systems, their operation and components in order to safely service, diagnose and repair them.
D-19.01 - Services starting systems
D-19.01 - Services starting systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-19.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-19.01.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-19.01.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-19.01.04P |
perform sensory inspections |
sensory inspections are performed to identify conditions |
| D-19.01.05P |
perform tests |
tests are performed according to manufacturers’ service information |
| D-19.01.06P |
remove and replace consumables |
consumables are removed and replaced according to manufacturers’ service information |
| D-19.01.07P |
recycle and dispose of consumables |
consumables are recycled and disposed of according to jurisdictional regulations |
| D-19.01.08P |
perform software updates |
software updates are performed according to manufacturers’ service information |
| D-19.01.09P |
document service information |
service information is documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- components include: starters, ECMs, solenoids, relays, connections, terminals, ignition switches, wiring
- conditions include: corrosion, damage, slow cranking, electrical or mechanical resistance, noise
- tests include: starter amp draw, voltage drop, control and safety systems, fault codes
- consumables include: wiring, terminals, circuit protection devices, relays
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-19.01.01L |
demonstrate knowledge of starting systems, their components, characteristics, applications and operation |
identify types of starting systems and their components, and describe their characteristics and applications |
| describe operating principles of starting systems and their components |
| interpret information pertaining to starting systems and their components found in manufacturers’ service information |
| describe safety interlock devices designed to prevent starting of equipment in an unsafe condition |
| describe basic principles of electricity and circuit components |
| D-19.01.02L |
demonstrate knowledge of procedures to service starting systems and their components |
identify tools and equipment used to service starting systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to servicing starting systems |
| describe procedures to inspect starting systems and their components |
| describe procedures to clean starting systems components |
| describe procedures to service starting systems and their components |
| describe procedures to remove, replace, recycle and dispose of consumables |
| describe procedures to perform software updates |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
Range of Variables
- components include: starters, ECMs, solenoids, relays, connections, terminals, ignition switches, wiring
- types of starting systems include: 12-volt, 24-volt
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- tools and equipment include: hand tools, shop tools, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- hazards include: sparks, moving components, burns, noise, crush/pinch points
- consumables include: wiring, terminals, circuit protection devices, relays
D-19.02 - Diagnoses starting systems
D-19.02 - Diagnoses starting systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-19.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-19.02.02P |
select and use tools and equipment and starter circuit schematics |
tools and equipment and starter circuit schematics are selected and used according to task and manufacturers’ service information |
| D-19.02.03P |
perform sensory inspections |
sensory inspectionsare performed to identify conditions |
| D-19.02.04P |
verify complaint and expected performance |
complaint and expected performance is verified by comparing equipment operation to manufacturers’ service information |
| D-19.02.05P |
perform diagnostic procedures and tests |
diagnostic procedures and tests are performed according to manufacturers’ service information |
| D-19.02.06P |
verify diagnosis |
diagnosis is verified by interpreting test results and comparing them to manufacturers’ service information or expected values |
| D-19.02.07P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-19.02.08P |
remove and disassemble components to identify problem |
components are removed and disassembled to identify problem |
| D-19.02.09P |
inspect components for conditions |
components are inspected for conditions according to manufacturers’ service information |
| D-19.02.10P |
perform measurements |
measurements are performed and compared with manufacturers’ service information |
| D-19.02.11P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-19.02.12P |
document test results and inspection findings |
test results and inspection findings are documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
| D-19.02.13P |
interpret diagnostic results to determine next steps |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include:slow or constant cranking, intermittent operation, noise
- tools and equipment include: hand tools, shop tools, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- conditions include: corrosion, damage, slow cranking, electrical or mechanical resistance, noise, wear
- tests include: starter draw, voltage drop, control and safety systems, fault codes
- components include: starters, ECMs, solenoids, relays, connections, terminals, ignition switches, wiring
- measurements include: voltage, amperage, resistance, clearance
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-19.02.01L |
demonstrate knowledge of starting systems, their components, characteristics, applications and operation |
identify types of starting systems and their components, and describe their characteristics and applications |
| describe operating principles of starting systems |
| interpret information pertaining to starting systems found in manufacturers’ service information |
| describe safety interlock devices designed to prevent starting of equipment in an unsafe condition |
| describe basic principles of electricity and circuit components |
| D-19.02.02L |
demonstrate knowledge of procedures to diagnose starting systems and their components |
identify tools and equipment used to diagnose starting systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diagnosing starting systems and their components |
| describe common causes and symptoms of problems |
| describe procedures to inspect starting systems and their components |
| describe procedures to test starting systems and their components |
| describe procedures to diagnose starting systems and their components |
| describe conditions found while inspecting starting systems and their components |
| identify steps for failure analysis |
| identify practices that reduce material waste |
| identify materials that can be reconditioned, reused or recycled |
| D-19.02.03L |
demonstrate knowledge of safety systems,their characteristics, applications, and operation |
identify and interpret safety systems and describe their characteristics, applications, and operating principles |
Range of Variables
- components include: starters, ECMs, solenoids, relays, connections, terminals, ignition switches, wiring
- types of starting systems include: 12-volt, 24-volt
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards
- tools and equipment include: hand tools, shop tools, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- hazards include: sparks, moving components, burns, noise, crush/pinch points
- symptoms of problems include:slow or constant cranking, intermittent operation, noise
- conditions include: corrosion, damage, slow cranking, electrical or mechanical resistance, noise, wear
- safety systems include:neutral safety, interlock, operator presence
D-19.03 - Repairs starting systems
D-19.03 - Repairs starting systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-19.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-19.03.02P |
isolate and release stored energy in components |
stored energy is isolated and released in components according to manufacturers’ service information |
| D-19.03.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-19.03.04P |
remove, disassemble and inspect components for conditions |
components are removed, disassembled and inspected for conditions according to manufacturers’ service information |
| D-19.03.05P |
select parts and materials |
parts and materials are selected according to repair requirements and manufacturers’ service information |
| D-19.03.06P |
follow repair sequence |
repair sequence is followed according to manufacturers’ service information |
| D-19.03.07P |
assemble and install components |
components are assembled and installed according to manufacturers’ service information |
| D-19.03.08P |
replace components |
components are replaced according to manufacturers’ service information |
| D-19.03.09P |
rebuild components |
components are rebuilt according to manufacturers’ service information |
| D-19.03.10P |
repair components |
components are repaired according to manufacturers’ service information |
| D-19.03.11P |
reassemble components and perform measurements |
components are reassembled and measurements are performed according to manufacturers’ service information |
| D-19.03.12P |
adjustand calibrate components and parts |
components and parts are adjusted and calibrated according to manufacturers’ service information |
| D-19.03.13P |
verify repairs |
repairs are verified using methods according to manufacturers’ service information |
| D-19.03.14P |
document repairs |
repairs are documented according to manufacturers’ requirements for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- components include: starters, ECMs, solenoids, relays, connections, terminals, ignition switches, wiring
- conditions include: corrosion, damage, slow cranking, electrical or mechanical resistance, noise, wear
- methods (to verify repairs) include: testing bench and starter draw, verifying fault codes
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-19.03.01L |
demonstrate knowledge of starting systems, their components, characteristics, applications and operation |
identify types of starting systems and their components, and describe their characteristics and applications |
| describe operating principles of starting systems |
| interpret information pertaining to starting systems found in manufacturers’ service information |
| describe safety interlock devices designed to prevent starting of equipment in an unsafe condition |
| describe basic principles of electricity and circuit components |
| D-19.03.02L |
demonstrate knowledge of procedures to repair starting systems and their components |
identify tools and equipment used to repair starting systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices to repair starting systems |
| describe procedures to remove, disassemble, assemble and inspect components |
| describe procedures to replace, rebuild, or repair components |
| describe methods to rebuild starters |
| describe procedures to adjust and calibrate components |
| describe procedures to recycle and dispose of components |
| describe methods to verify repairs |
| describe procedures to perform software updates |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-19.03.03L |
demonstrate knowledge of safety systems,their characteristics, applications, and operation |
identify and interpret safety systems and describe their characteristics, applications, and operating principles |
Range of Variables
- components include: starters, ECMs, solenoids, relays, connections, terminals, ignition switches, wiring
- types of starting systems include: 12-volt, 24-volt
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- tools and equipment include: hand tools, shop tools, load testers, ammeters, multimeters, electronic service tools, onboard computer, laptop
- hazards include: sparks, moving components, burns, noise, crush/pinch points
- methods (to rebuild starters) include: replacing solenoid, brushes, bushings and starter drives; testing armatures and field windings; setting starter drive air gap
- methods (to verify repairs) include: testing bench and starter draw, verifying fault codes
- safety systems include:neutral safety, interlock, operator presence
Task D-20 Services, diagnoses and repairs battery systems
Task Descriptor
This task covers 12- or 24-volt battery systems. Battery systems that are used in hybrid and electric equipment are covered in another section of this standard.
Heavy duty equipment technicians need to understand battery systems, their applications and limitations in order to service, diagnose and repair them safely. Safety is an important consideration when working with battery systems.
D-20.01 - Services battery systems
D-20.01 - Services battery systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-20.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-20.01.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-20.01.03P |
clean battery system components |
battery system components are cleaned according to manufacturers’ service information |
| D-20.01.04P |
perform sensory inspection of battery system |
sensory inspection of battery system is performed to identify worn, damaged and defective components for conditions |
| D-20.01.05P |
load test batteries |
batteries are load tested according to manufacturers’ service information |
| D-20.01.06P |
measure specific gravity of each cell |
specific gravity of each cell is measured according to manufacturers’ service information |
| D-20.01.07P |
compare test results |
test results are compared to manufacturers’ service information or expected values |
| D-20.01.08P |
replace faulty and damaged batteries |
faulty and damaged batteries are replaced |
| D-20.01.09P |
check and adjust electrolyte levels |
electrolyte levels are checked and adjusted according to battery specifications |
| D-20.01.10P |
recharge batteries |
batteries are recharged according to manufacturers’ service information |
| D-20.01.11P |
disconnect and connect batteries in sequence |
batteries are disconnected and connected in sequence according to manufacturers’ service information |
| D-20.01.12P |
apply anti-corrosion compounds to terminals and connections |
anti-corrosion compounds are applied to terminals and connections according to manufacturers’ service information |
| D-20.01.13P |
recycle and dispose of batteries |
batteries are recycled and disposed of according to jurisdictional regulations |
| D-20.01.14P |
document service information |
service information is documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, ammeters, multimeters, load testers, hydrometers, refractometers, electronic service tools, laptop, onboard computer, battery chargers
- manufacturers’ service information include: specifications, standards, procedures
- components include: batteries, terminals, connections, compartment, cables
- conditions include: corroded and loose terminals, missing caps, damaged casing, loose and missing battery securement (hold-downs), low electrolytes
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-20.01.01L |
demonstrate knowledge of battery systems, their components, characteristics, applications and operation |
identify types of battery systems and batteries and their components, and describe their characteristics and applications |
| describe operating principles of battery systems and their components |
| interpret information pertaining to battery systems and their components found in manufacturers’ service information |
| identify battery ratings |
| D-20.01.02L |
demonstrate knowledge of procedures to service battery systems and their components |
identify tools and equipment used to service battery systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to servicing battery systems and their components |
| describe battery maintenance schedules |
| describe procedures to isolate stored energy |
| describe procedures to inspect battery systems and their components |
| describe procedures to clean components |
| describe procedures to test battery systems and their components |
| describe procedures to service battery systems and their components |
| describe series and parallel connection procedures |
| describe procedures to remove, replace, recharge, recycle and dispose of batteries |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-20.01.03L |
demonstrate knowledge of regulatory requirements pertaining to recycling and disposal of batteries |
identify and interpret standards and regulations pertaining to recycling and disposal of batteries |
| D-20.01.04L |
demonstrate knowledge of emerging technologies and practices related to battery systems |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: batteries, terminals, connections, compartment, cables
- types of battery systems include: parallel, series, series/parallel, capacitor
- types of batteries include: sealed or vented flooded cell, absorbed glass mat (AGM), sealed gel cell, deep cycle, lithium
- manufacturers’ service information include: specifications, standards, procedures
- battery ratings include: cranking amps (CA), cold cranking amps (CCA), reserve capacity (RC), amp hour, voltages
- tools and equipment include: hand tools, ammeters, multimeters, load testers, hydrometers, refractometers, electronic service tools, laptop, onboard computer, battery chargers
- hazards include: sparks, explosive gases, acid spillage, acid burns, electrical burns, heavy weight, lead exposure
D-20.02 - Diagnoses battery systems
D-20.02 - Diagnoses battery systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-20.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-20.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-20.02.03P |
perform sensory inspections |
sensory inspectionsare performed to identify conditions |
| D-20.02.04P |
verify complaint and expected performance |
complaint and expected performance is verified by comparing equipment operation to manufacturers’ service information |
| D-20.02.05P |
perform diagnostic procedures and tests |
diagnostic procedures and tests are performed according to manufacturers’ service information |
| D-20.02.06P |
verify diagnosis |
diagnosis is verified by interpreting test results and comparing them to manufacturers’ service information or expected values |
| D-20.02.07P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-20.02.08P |
remove components |
components are removed to identify or confirm problem |
| D-20.02.09P |
inspect components for conditions |
components are inspected for conditions according to manufacturers’ service information |
| D-20.02.10P |
perform failure analysis |
failure analysis is performed to determine root cause of failures |
| D-20.02.11P |
document test results and inspection findings |
test results and inspection findings are documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
| D-20.02.12P |
interpret diagnostic results to determine next steps |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include:no start, hard start, battery smells, battery compartment smoking, noise, charging issues
- tools and equipment include: hand tools, ammeters, multimeters, load testers, hydrometers, refractometers, electronic service tools, laptop, onboard computer, battery chargers
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- conditions include: corroded and loose terminals, missing caps, damaged casing, loose and missing battery securement (hold-downs), low electrolytes
- tests include: dynamic load, inductive load, open circuit voltage, resistance, voltage drop, specific gravity
- components include: batteries, terminals, connections, compartment, cables
- failures include: parasitic amperage draw, overcharging, undercharging, loose connections, corroded connections, frozen battery, low open circuit voltage
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-20.02.01L |
demonstrate knowledge of battery systems, their components, characteristics, applications and operation |
identify types of battery systems and batteries, and their components, and describe their characteristics and applications |
| describe operating principles of battery systems and their components |
| interpret information pertaining to battery systems and their components found in manufacturers’ service information |
| identify battery ratings |
| D-20.02.02L |
demonstrate knowledge of procedures to diagnose battery systems and their components |
identify tools and equipment used to diagnose battery systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diagnosing battery systems |
| describe common causes and symptoms of problems |
| identify procedures and safe work practices to boost equipment |
| describe procedures to inspect battery systems and their components |
| describe procedures to test battery systems and their components |
| describe procedures to diagnose battery systems and their components |
| identify conditions and failures found while diagnosing battery systems and their components |
| identify practices that reduce material waste |
| identify materials that can be reconditioned, reused or recycled |
| D-20.02.03L |
demonstrate knowledge of regulatory requirements pertaining to recycling and disposal of batteries |
identify and interpret standards and regulations pertaining to recycling and disposal of batteries |
| demonstrate knowledge of emerging technologies and practices related to battery systems |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: batteries, terminals, connections, compartment, cables
- types of battery systems include: parallel, series, series/parallel, capacitor
- types of batteries include: sealed, vented, AGM, gel cell, lithium
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- battery ratings include: CA, CCA, RC, amp hour, voltages
- tools and equipment include: hand tools, ammeters, multimeters, load testers, hydrometers, refractometers, electronic service tools, laptop, onboard computer, battery chargers
- hazards include: sparks, explosive gases, acid spillage, acid burns, electrical burns, heavy weight, lead exposure
- symptoms of problems include:no start, hard start, battery smells, battery compartment smoking, noise, charging issues
- conditions include: corroded and loose terminals, missing caps, damaged casing, loose and missing battery securement (hold-downs), low electrolytes
- failures include: parasitic amperage draw, overcharging, undercharging, loose connections, corroded connections, frozen battery, low open circuit voltage
D-20.03 - Repairs battery systems
D-20.03 - Repairs battery systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-20.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-20.03.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-20.03.03P |
clean battery system components |
battery system components are cleaned |
| D-20.03.04P |
disconnect and connect batteries in sequence |
batteries are disconnected and connected in sequence according to manufacturers’ service information |
| D-20.03.05P |
replace faulty and damaged batteries |
faulty and damaged batteries are replaced |
| D-20.03.06P |
apply anti-corrosion compounds to terminals and connections |
anti-corrosion compounds are applied to terminals and connections according to manufacturers’ service information |
| D-20.03.07P |
replace or repair connecting cables |
connecting cables are replaced or repaired according to manufacturers’ service information |
| D-20.03.08P |
check battery hold-downs and compartment |
battery hold-downs and compartment are checked to ensure they are secure and in good condition |
| D-20.03.09P |
recharge batteries |
batteries are recharged according to manufacturers’ service information |
| D-20.03.10P |
de-sulphate batteries |
batteries are de-sulphated according to manufacturers’ service information |
| D-20.03.11P |
recycle and dispose of batteries |
batteries are recycled and disposed of according to jurisdictional regulations |
| D-20.03.12P |
document repairs |
repairs are documented according to manufacturers’ requirements for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, ammeters, multimeters, electronic service tools, laptop, onboard computer, battery chargers
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- components include: batteries, terminals, connections, compartment, cables
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-20.03.01L |
demonstrate knowledge of battery systems, their components, characteristics, applications and operation |
identify types of battery systems and batteries, and their components, and describe their characteristics and applications |
| describe operating principles of battery systems and their components |
| interpret information pertaining to battery systems and their components found in manufacturers’ service information |
| identify battery ratings |
| identify potential environmental impacts of repair, and describe associated mitigation and prevention measures |
| D-20.03.02L |
demonstrate knowledge of procedures to repair battery systems and their components |
identify tools and equipment used to repair battery systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to repairing battery systems and their components |
| describe procedures to remove, disassemble, assemble and inspect battery systems and their components |
| describe procedures to replace or repair battery systems and their components |
| describe procedures to recharge batteries |
| describe procedures to de-sulphate batteries |
| describe procedures to recycle and dispose of components |
| describe methods to verify repairs |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-20.03.03L |
demonstrate knowledge of regulatory requirements pertaining to recycling and disposal of batteries |
identify and interpret standards and regulations pertaining to recycling and disposal of batteries |
| D-20.03.04L |
demonstrate knowledge of emerging technologies and practices related to battery systems |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: batteries, terminals, connections, compartment, cables
- types of battery systems include: parallel, series, series-parallel, capacitor
- types of batteries include: sealed, vented, AGM, gel cell, lithium
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- battery ratings include: CA, CCA, RC, amp hour, voltages
- tools and equipment include: hand tools, ammeters, multimeters, electronic service tools, laptop, onboard computer, battery chargers
- hazards include: sparks, explosive gases, acid spillage, acid burns, electrical burns, heavy weight, lead exposure
- methods include: operational checks, voltage
Task D-21 Services, diagnoses and repairs electrical components
Task Descriptor
Electrical systems are vital to the operation of the equipment and must work together to provide feedback to and from the operator. They control the operation and monitoring of various systems throughout the equipment.
Heavy duty equipment technicians must be able to service, diagnose and repair electrical system faults using specialized tools in order to return the equipment to service. They must have a good understanding of the basic principles of electricity and circuitry.
D-21.01 - Services electrical components
D-21.01 - Services electrical components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-21.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-21.01.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-21.01.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-21.01.04P |
perform sensory inspections |
sensory inspections are performed to identify worn, damaged and defective components and connections |
| D-21.01.05P |
perform tests |
tests are performed and compared to manufacturers’ service information |
| D-21.01.06P |
remove and replace consumables |
consumables are removed and replaced according to manufacturers’ service information |
| D-21.01.07P |
recycle and dispose of consumables |
consumables are recycled and disposed of according to jurisdictional regulations |
| D-21.01.08P |
adjust and calibrate components |
components are adjusted and calibrated according to manufacturers’ service information |
| D-21.01.09P |
perform software updates |
software updates are performed according to manufacturers’ service information |
| D-21.01.10P |
perform preventive maintenance on components |
preventive maintenance is performed on components according to manufacturers’ service information |
| D-21.01.11P |
document service information |
service information is documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, diagnostic equipment, terminal service tools, laptop, multimeters
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins, schematics
- components include: terminals, sockets, junction boxes, lighting devices, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers, motors, electric clutches, heating devices
- tests include: amp draw, voltage drop, voltage, functional, resistance
- consumables include: wiring, terminals, circuit protection devices, relays, lighting devices
- preventive maintenance includes:tightening loose connections, applying anti-corrosion compound
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-21.01.01L |
demonstrate knowledge of electrical components, their characteristics, applications and operation |
identify types of electrical components, and describe their characteristics and applications |
| describe operating principles of electricity and electrical components |
| interpret information pertaining to electricity and electrical components found in manufacturers’ service information |
| identify systems with stored energy sources |
| describe basic wiring principles, and associated schematics and diagrams |
| identify wires, and describe their characteristics and applications |
| identify types of lighting systems, and describe their characteristics, applications and operation |
| identifytypes of audio and video systems and their components, and describe their characteristics, applications and operation |
| identify types of instrumentation systems, and describe their characteristics, applications and operation |
| identify safety systems, and describe their characteristics and applications |
| D-21.01.02L |
demonstrate knowledge of procedures to service electrical components |
identify tools and equipment used to service electrical components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to servicing electrical components |
| describe procedures to release and isolate stored energy |
| describe procedures to inspect electrical components |
| describe procedures to clean electrical components |
| describe procedures to service electrical components |
| describe procedures to adjust and calibrate components |
| describe procedures to remove, replace, recycle and dispose of consumables |
| describe procedures to perform software updates |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-21.01.03L |
demonstrate knowledge of emerging technologies and practices related to electrical components |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: terminals, sockets, junction boxes, lighting devices, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers, motors, electric clutches, heating devices
- principles include: Ohm’s law, electron theory
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins, schematics
- characteristics (wires) include: gauge, insulation, terminations
- types of lighting systems include: incandescent, light emitting diode (LED), high intensity discharge (HID), halogen
- instrumentation systems include: warning indicators, electric gauges
- safety systems include: warning indicators, interlocks, lighting
- tools and equipment include: hand tools, shop tools, diagnostic equipment, terminal service tools, laptop, multimeters
- hazards include: shocks, sparks, burns, punctures
- consumables include: wiring, terminals, circuit protection devices, relays, lighting devices
D-21.02 - Diagnoses electrical components
D-21.02 - Diagnoses electrical components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-21.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-21.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-21.02.03P |
perform sensory inspections |
sensory inspectionsare performed to identify conditions |
| D-21.02.04P |
verify complaint and expected performance |
complaint and expected performance is verified by comparing equipment operation to manufacturers’ service information |
| D-21.02.05P |
perform diagnostic procedures and tests |
diagnostic procedures and tests are performed according to manufacturers’ service information |
| D-21.02.06P |
verify diagnosis |
diagnosis is verified by interpreting test results and comparing them to manufacturers’ service information or expected values |
| D-21.02.07P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-21.02.08P |
remove and disassemble components to identify or confirm problem |
components are removed and disassembled to identify or confirm problem |
| D-21.02.09P |
inspect components for conditions |
components are inspected for conditions according to manufacturers’ service information |
| D-21.02.10P |
perform measurements |
measurements are performed and compared with manufacturers’ service information and according to jurisdictional regulations |
| D-21.02.11P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-21.02.12P |
document test results and inspection findings |
test results and inspection findings are documented according to manufacturers’ service information |
| D-21.02.13P |
interpret diagnostic results to determine next steps |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include: blown fuses, dim or bright lighting, components not operating, noise, smells, smoke, overheating components
- tools and equipment include: hand tools, shop tools, diagnostic equipment, terminal service tools, laptop, multimeters
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins, schematics
- conditions include: damage, defect, wear, corrosion
- tests include: amp draw, voltage drop, voltage, functional, resistance
- components include: terminals, sockets, junction boxes, lighting devices, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers, motors, electric clutches, heating devices
- measurements include: amperage, voltage, resistance
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-21.02.01L |
demonstrate knowledge of electrical components, their characteristics, applications and operation |
identify types of electrical components, and describe their characteristics and applications |
| describe operating principles of electricity and electrical components |
| interpret information pertaining to electricity and electrical components found in manufacturers’ service information |
| identify systems with stored energy sources |
| describe basic wiring principles, and associated schematics and diagrams |
| identify wires, and describe their characteristics and applications |
| identify types of lighting systems, and describe their characteristics, applications and operation |
| identifytypes of audio and video systems and their components, and describe their characteristics, applications and operation |
| identify types of instrumentation systems, and describe their characteristics, applications and operation |
| identify safety systems, and describe their characteristics and applications |
| D-21.02.02L |
demonstrate knowledge of procedures to diagnose electrical components |
identify tools and equipment used to diagnose electrical components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diagnosing electrical components |
| describe common causes and symptoms of problems |
| describe procedures to inspect electrical components |
| describe procedures to test electrical components |
| describe procedures to diagnose electrical components |
| identify conditions found while diagnosing electrical components |
| identify steps for failure analysis |
| identify practices that reduce material waste |
| identify materials that can be reconditioned, reused or recycled |
| D-21.02.03L |
demonstrate knowledge of emerging technologies and practices related to electrical components |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: terminals, sockets, junction boxes, lighting devices, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers, motors, electric clutches, heating devices
- principles include: Ohm’s law, electron theory
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins, schematics
- characteristics(wires) include: gauge, insulation, terminations
- types of lighting systems include: incandescent, LED, HID, halogen
- components (audio and video systems)include: displays, speakers, cameras, Cat 5, CANBUS, Bluetooth
- instrumentation systems include: warning indicators, electric gauges
- safety systems include: warning indicators, interlocks, lighting
- tools and equipment include: hand tools, shop tools, diagnostic equipment, terminal service tools, laptop, multimeters
- hazards include: shocks, sparks, burns, punctures
- symptoms of problems include: blown fuses, dim or bright lighting, components not operating, noise, smells, smoke, overheating components
- conditions include: damage, defect, wear, corrosion
D-21.03 - Repairs electrical components
D-21.03 - Repairs electrical components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-21.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-21.03.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-21.03.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-21.03.04P |
remove, disassemble and inspect components for conditions |
components are removed, disassembled and inspected for conditions according to manufacturers’ service information |
| D-21.03.05P |
select parts and materials |
parts and materials are selected according to repair requirements and manufacturers’ service information |
| D-21.03.06P |
follow repair sequence |
repair sequence is followed according to manufacturers’ service information |
| D-21.03.07P |
assemble and install components |
components are assembled and installed according to manufacturers’ service information |
| D-21.03.08P |
replace components |
components are replaced according to manufacturers’ service information |
| D-21.03.09P |
rebuild components |
components are rebuilt according to manufacturers’ service information |
| D-21.03.10P |
repair components |
components are repaired according to manufacturers’ service information |
| D-21.03.11P |
reassemble components and perform measurements |
components are reassembled and measurements are performed according to manufacturers’ service information |
| D-21.03.12P |
adjustand calibrate components and parts |
components and parts are adjusted and calibrated according to manufacturers’ service information |
| D-21.03.13P |
recycle and dispose of consumables |
consumables are recycled and disposed of according to jurisdictional regulations |
| D-21.03.14P |
verify repairs |
repairs are verified using methods according to manufacturers’ service information |
| D-21.03.15P |
document repairs |
repairs are documented according to manufacturers’ requirements for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, diagnostic equipment, terminal service tools, laptop, multimeters
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins, schematics
- components include: terminals, sockets, junction boxes, lighting devices, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers, motors, electric clutches, heating devices
- conditions include: damage, defect, wear, corrosion
- consumables include: wiring, terminals, circuit protection devices, relays, lighting devices
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-21.03.01L |
demonstrate knowledge of electrical components, their characteristics, applications and operation |
identify types of electrical components, and describe their characteristics and applications |
| describe operating principles of electricity and electrical components |
| interpret information pertaining to electricity and electrical components found in manufacturers’ service information |
| identify systems with stored energy sources |
| describe basic wiring principles, and associated schematics and diagrams |
| identify wires, and describe their characteristics and applications |
| identify types of lighting systems, and describe their characteristics, applications and operation |
| identifytypes of audio and video systems and their components, and describe their characteristics, applications and operation |
| identify types of instrumentation systems, and describe their characteristics, applications and operation |
| identify safety systems, and describe their characteristics and applications |
| identify potential environmental impacts of repair, and describe associated mitigation and prevention measures |
| D-21.03.02L |
demonstrate knowledge of procedures to repair electrical components |
identify tools and equipment used to repair electrical components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to repairing electrical components |
| describe procedures to remove, disassemble, assemble and inspect components |
| describe procedures to replace, rebuild or repair components |
| describe procedures to adjust and calibrate components |
| describe procedures to recycle and dispose of electrical components and consumables |
| describe methods to verify repairs |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-21.03.03L |
demonstrate knowledge of emerging technologies and practices related to electrical components |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: terminals, sockets, junction boxes, lighting devices, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers, motors, electric clutches, heating devices
- principles include: Ohm’s law, electron theory
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins, schematics
- characteristics(wires) include: gauge, insulation, terminations
- types of lighting systems include: incandescent, LED, HID, halogen
- components (audio and video systems)include: displays, speakers, cameras, Cat 5, CANBUS, Bluetooth
- instrumentation systems include: warning indicators, electric gauges
- safety systems include: warning indicators, interlocks, lighting
- tools and equipment include: hand tools, shop tools, diagnostic equipment, terminal service tools, laptop, multimeters
- hazards include: shocks, sparks, burns, punctures
- consumables include: wiring, terminals, circuit protection devices, relays, lighting devices
Task D-22 Services, diagnoses and repairs equipment management systems and electronic components
Task Descriptor
Electronic equipment management systems are vital to the operation of the equipment and must work together to provide feedback to and from the operator. They monitor and control the operation of various components throughout the equipment.
Technological advancement throughout the industry has resulted in more complex equipment management systems and electronic components. Heavy duty equipment technicians must have a good understanding of electronic components, systems and networks such as CANBUS, LINBUS and multiplex.
Heavy duty equipment technicians must service, diagnose and repair equipment management systems and electronic components in order to ensure proper function and reduce down time.
D-22.01 - Services equipment management systems and electronic components
D-22.01 - Services equipment management systems and electronic components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-22.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-22.01.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-22.01.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-22.01.04P |
perform sensory inspections |
sensory inspections are performed to identify component conditions according to manufacturers’ service information |
| D-22.01.05P |
perform measurements |
measurements are performed and compared to manufacturers’ service information |
| D-22.01.06P |
check for fault codes |
fault codes are checked according to manufacturers’ service information |
| D-22.01.07P |
program or update modules |
modules are programmed or updated according to manufacturers’ service information |
| D-22.01.08P |
verify operation of updated modules |
operation of updated modules is verified according to manufacturers’ service information |
| D-22.01.09P |
adjust and calibrate components |
components are adjusted and calibrated according to manufacturers’ service information |
| D-22.01.10P |
document service information |
service information is documented according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, electronic service tools, laptop, onboard computer, multimeters
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, information bulletins
- components include: actuators, sensors, switches, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors, display devices
- conditions include: component securement, overheating, exposure to moisture and contaminants, instrument panel failures, display panel failures, communication problems, low voltage, failed modules, failed or out of adjustment sensors, wiring faults
- measurements include:resistance, voltage
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-22.01.01L |
demonstrate knowledge of equipment management systems, their components, characteristics, applications and operation |
identify types of equipment management systems and their components, and describe their characteristics and applications |
| describe operating principles of equipment management systems |
| interpret information pertaining to equipment management systems and their components found in manufacturers’ service information |
| describe communication protocols, their characteristics and applications |
| describe network structure and components, their characteristics and applications |
| identify data links and describe network communication between modules |
| identify basic computer processes, and describe their characteristics and applications |
| identify types of wiring and standards |
| D-22.01.02L |
demonstrate knowledge of procedures to service equipment management systems and their components |
identify tools and equipment used to service equipment management systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to servicing equipment management systems |
| describe procedures to isolate stored energy |
| describe procedures to inspect equipment management systems and their components |
| describe procedures to clean components |
| describe procedures to service equipment management systems and their components |
| describe procedures to adjust and calibrate components |
| describe methods and procedures to program and configure modules |
| describe procedures to verify operation of modules |
| D-22.01.03L |
demonstrate knowledge of emerging technologies and practices related to equipment management systems and electronic components |
identify emerging technologies that reduce environmental impacts and increase equipment and task efficiency and effectiveness |
Range of Variables
- components include: actuators, sensors, switches, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors, display devices
- types of equipment management systems include: ABS/traction control, stability control, operator communication, remote monitoring systems (telematics), guidance systems, controller network systems (CANBUS, LINBUS, multiplex)
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, information bulletins
- communication protocols include: SAE J1939, Bluetooth, Wi-Fi, cellular
- types of wiring include: shielded, multi-strand, twisted pairs, coaxial, fibre optic, insulation
- tools and equipment include: hand tools, shop tools, electronic service tools, laptop, onboard computer, multimeters
- hazards include: shocks, sparks, punctures
- safe work practices include: discharging static electricity, avoiding moisture and other contaminants
D-22.02 - Diagnoses equipment management systems and electronic components
D-22.02 - Diagnoses equipment management systems and electronic components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-22.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-22.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-22.02.03P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-22.02.04P |
perform sensory inspections |
sensory inspectionsare performed to identify conditions |
| D-22.02.05P |
verify complaint and expected performance |
complaint and expected performance is verified by comparing equipment operation to manufacturers’ service information |
| D-22.02.06P |
inspect components for conditions |
components are inspected for conditions according to manufacturers’ service information |
| D-22.02.07P |
perform diagnostic procedures and tests |
diagnostic procedures and tests are performed according to manufacturers’ service information |
| D-22.02.08P |
select and use scan tool to monitor and control parameters (data values) |
scan tool is selected and used to monitor and control parameters (data values) according to manufacturers’ service information |
| D-22.02.09P |
verify diagnosis |
diagnosis is verified by interpreting test results and comparing them to manufacturers’ service information or expected values |
| D-22.02.10P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-22.02.11P |
remove and disassemble components to identify problem |
components are removed and disassembled to identify problem |
| D-22.02.12P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-22.02.13P |
document test results and inspection findings |
test results and inspection findings are documented according to manufacturers’ requirements for warranty purposes |
| D-22.02.14P |
interpret diagnostic results to determine next steps |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include:intermittent or no operation, component not operating as expected, instrument panel or display malfunctioning, indicator lights, warning messages
- tools and equipment include: hand tools, shop tools, electronic service tools, laptop, onboard computer, multimeters
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, information bulletins
- conditions include: overheating, exposure to moisture and contaminants, instrument panel failures, display panel failures, communication problems, low voltage, failed modules, failed or out of adjustment sensors, wiring faults
- components include: actuators, sensors, switches, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors, display devices
- tests include: scanning for fault codes and events, confirming self-test, resistance, voltage
- next steps include: repairs, component replacement or adjustment, software updates, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-22.02.01L |
demonstrate knowledge of equipment management systems, their components, characteristics, applications and operation |
identify types of equipment management systems and their components, and describe their characteristics and applications |
| describe operating principles of equipment management systems |
| interpret information pertaining to equipment management systems and their components found in manufacturers’ service information |
| describe communication protocols, their characteristics and applications |
| describe network structure and components, their characteristics and applications |
| identify data links and describe network communication between modules |
| identify basic computer processes, and describe their characteristics and applications |
| identify types of wiring and standards |
| D-22.02.02L |
demonstrate knowledge of procedures to diagnose equipment management systems and their components |
identify tools and equipment used to diagnose equipment management systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices to diagnose equipment management systems and their components |
| describe common causes and symptoms of problems |
| describe procedures to inspect equipment management systems and their components |
| describe procedures to test equipment management systems and their components |
| describe procedures to calibrate and test sensor and actuator operation |
| describe procedures to diagnose equipment management systems and their components |
| describe procedures to isolate stored energy |
| describe procedures to monitor and control parameters (data values) |
| identify materials that can be reconditioned, reused or recycled |
| D-22.02.03L |
demonstrate knowledge of emerging technologies and practices related to equipment management systems and their components |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: actuators, sensors, switches, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors, display devices
- types of equipment management systems include: ABS/traction control, stability control, operator communication, remote monitoring systems (telematics), guidance systems, controller network systems (CANBUS, LINBUS, multiplex)
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, information bulletins
- communication protocols include: SAE J1939, Bluetooth, Wi-Fi, cellular
- types of wiring include: shielded, multi-strand, twisted pairs, coaxial, fibre optic, insulation
- tools and equipment include: hand tools, shop tools, electronic service tools, laptop, onboard computer, multimeters
- hazards include: shocks, sparks, punctures
- safe work practices include: discharging static electricity, avoiding moisture and other contaminants symptoms of problems include:intermittent or no operation, component not operating as expected,
- instrument panel or display malfunctioning, indicator lights, warning messages
D-22.03 - Repairs equipment management systems and electronic components
D-22.03 - Repairs equipment management systems and electronic components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-22.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-22.03.02P |
isolate stored energy in components |
stored energy is isolated in components according to manufacturers’ service information |
| D-22.03.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-22.03.04P |
remove, disassemble and inspect components for conditions |
components are removed, disassembled and inspected for conditions according to manufacturers’ service information |
| D-22.03.05P |
select parts and materials |
parts and materials are selected according to repair requirements and manufacturers’ service information |
| D-22.03.06P |
follow repair sequence |
repair sequence is followed according to manufacturers’ service information |
| D-22.03.07P |
assemble and install components |
components are assembled and installed according to manufacturers’ service information |
| D-22.03.08P |
check and perform software updates, and program or update modules |
software updates are checked and performed, and modules are programmed or updated according to manufacturers’ service information |
| D-22.03.09P |
replace components |
components are replaced according to manufacturers’ service information |
| D-22.03.10P |
repair components |
components are repaired according to manufacturers’ service information |
| D-22.03.11P |
recondition components |
components are reconditioned according to manufacturers’ service information |
| D-22.03.12P |
reassemble components and perform measurements |
components are reassembled and measurements are performed according to manufacturers’ service information |
| D-22.03.13P |
adjust and calibrate components and parts |
components and parts are adjusted and calibrated according to manufacturers’ service information |
| D-22.03.14P |
verify operation of updated modules |
operation of updated modules is verified according to manufacturers’ service information |
| D-22.03.15P |
verify repairs |
repairs are verified using methods according to manufacturers’ service information |
| D-22.03.16P |
document repairs |
repairs are documented according to manufacturers’ requirements for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, shop tools, electronic service tools, laptop, onboard computer, multimeters, wiring and terminal repair tools
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, information bulletins
- components include: actuators, sensors, switches, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors, display devices
- conditions include: overheating, exposure to moisture and contaminants, instrument panel failures, display panel failures, communication problems, low voltage, failed modules, failed or out of adjustment sensors, wiring faults
- measurements include:resistance, voltage
- methods include: clearing codes, performing operational tests
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-22.03.01L |
demonstrate knowledge of equipment management systems, their components, characteristics, applications and operation |
identify types of equipment management systems and their components, and describe their characteristics and applications |
| describe operating principles of equipment management systems |
| interpret information pertaining to equipment management systems and their components found in manufacturers’ service information |
| describe communication protocols, their characteristics and applications |
| describe network structure and components, their characteristics and applications |
| identify data links and describe network communication between modules |
| identify basic computer processes, and describe their characteristics and applications |
| identify types of wiring and standards |
| D-22.03.02L |
demonstrate knowledge of procedures to repair equipment management systems and their components |
identify tools and equipment used to repair equipment management systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices to repair equipment management systems |
| describe procedures to isolate stored energy |
| describe procedures to remove, disassemble, assemble and inspect components |
| describe procedures to replace, rebuild, repair or recondition components |
| describe procedures to adjust and calibrate components |
| describe procedures to recycle and dispose of components |
| describe procedures to repair wiring |
| describe procedures to program and update modules |
| describe methods to verify repairs |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-22.03.03L |
demonstrate knowledge of emerging technologies and practices related to equipment management systems and their components |
identify emerging technologies that reduce environmental impacts |
Range of Variables
- components include: actuators, sensors, switches, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors, display devices
- types of equipment management systems include: ABS/traction control, stability control, operator communication, remote monitoring systems (telematics), guidance systems, controller network systems (CANBUS, LINBUS, multiplex)
- communication protocols include: SAE J1939, Bluetooth, Wi-Fi, cellular
- tools and equipment include: hand tools, shop tools, electronic service tools, laptop, onboard computer, multimeters, wiring and terminal repair tools
- hazards include: shocks, sparks, punctures, unexpected movement of equipment
- safe work practices include: discharging static electricity, avoiding moisture and other contaminants
- procedures to repair wiring include: soldering, splicing, crimping, heat shrinking, terminal installation, insulation protection, complete replacement
- methods include: clearing codes, performing operational tests