Table of contents
Task C-8 Diagnoses brake systems
Task Descriptor
Transport trailer technicians diagnose brake systems as a critical task for the safe operation of the units. Accurate diagnostics are required for correct repair.
C-8.01 Diagnoses disc brake systems
C-8.01 Diagnoses disc brake systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task |
| C-8.01.02P |
remove components to access diagnostic area |
components are removed to access diagnostic area |
| C-8.01.03P |
disassemble brake system |
brake system is disassembled to access brake components |
| C-8.01.04P |
perform sensory inspections on brake components to identify faults |
sensory inspections on brake components are performed to identify faults |
| C-8.01.05P |
inspect brake chamber |
brake chamber is inspected to ensure that there are no leaks, to identify damage and to locate broken springs |
| C-8.01.06P |
perform functional check on disc brake |
functional check is performed on disc brake |
| C-8.01.07P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of variables
- tools and equipment include: vernier calipers, dial indicators, disc/rotor micrometers, light sources, hand tools
- components (removed for access) include: panels, wheels, tires
- brake components include: brake pads, calipers, caliper pins, caliper pin boots, rubber hoses, caliper piston seal/boot
- faults include: worn and cracked pads and rotors, worn slider pin bushings, seized slider pins, bent slider pins, leaking and chafing air lines and fittings
- functional check includes: running clearance, adjuster function, caliper travel
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.01.01L |
demonstrate knowledge of disc brake systems, their components, characteristics, applications and operation |
identify types of disc brake systems and their components, and describe their characteristics, applications and operation |
| describe allowable tolerances |
| identify types of brake shoe materials and linings and describe their functions |
| describe brake timing |
| C-8.01.02L |
demonstrate knowledge of procedures to diagnose disc brake systems and their components |
identify tools and equipment used to diagnose disc brake systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose disc brake systems and their components |
| identify hazards and describe safe work practices while diagnosing disc brake systems and their components |
| identify inspections performed to diagnose disc brake systems and their components |
| identify possible faults found while performing inspections on components |
| C-8.01.03L |
demonstrate knowledge of procedures to disassemble and reassemble disc brake systems |
describe procedures to disassemble and reassemble disc brake systems |
Range of variables
- components (removed for access) include: panels, wheels, tires
- brake components include: brake pads, calipers, caliper pins, caliper pin boots, rubber hoses, caliper piston seal/boot
- types of disc brake systems include: hydraulic, air
- tools and equipment include: vernier calipers, dial indicators, disc/rotor micrometers, light sources, hand tools
- hazards include: brake dust, high air pressure, brake chambers (proper caging), brake fluid
- faults include: worn and cracked pads and rotors, worn slider pin bushings, seized slider pins, bent slider pins, leaking and chafing air lines and fittings
C-8.02 Diagnoses drum brake systems
C-8.02 Diagnoses drum brake systems
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NV |
yes |
yes |
ND |
yes |
yes |
NV |
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task |
| C-8.02.02P |
remove components to access diagnostic area |
components are removed to access diagnostic area |
| C-8.02.03P |
disassemble brake system |
brake system is disassembled to access brake shoes and brake components |
| C-8.02.04P |
perform sensory inspections on components |
sensory inspections are performed to identify faults |
| C-8.02.05P |
inspect brake chamber |
brake chamber is inspected to ensure that there are no leaks, to identify damage, to verify mounting and to locate broken springs |
| C-8.02.06P |
perform applied stroke test |
applied stroke test is performed to check component performance |
| C-8.02.07P |
measure s-cam to bushing gap |
s-cam is measured to bushing gap to verify that it is according to manufacturers’ and North American standards |
| C-8.02.08P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
| C-8.02.09P |
measure stroke of push rod on brake |
stroke of push rod on brake is measured using brake stroke gauge or tape measure to determine if travel is within North American standards |
Range of variables
- tools and equipment include: drum gauges, shoe gauges, light sources
- components (removed for access) include: dust shields, wheels, tires, drums, wheel ends (spoke-type hub)
- brake components include: anchor pins and bushings, s-cam and s-cam bushings, s-cam rollers, slack adjusters, return springs, hold down springs, clevis pins, rubber hoses
- faults include: excessive wear and cracks on shoes and drums, worn slack adjusters, broken or missing retainer hardware, leaking and chafing air lines and fittings, protruding shoes, seized or worn cams and bushings, wheel seal leaks
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.02.01L |
demonstrate knowledge of drum brake systems, their components, characteristics, applications and operation |
identify types of drum brake systems and their components, and describe their characteristics, applications and operation |
| describe allowable tolerances |
| identify types of brake shoe materials and linings and describe their functions |
| describe brake timing |
| C-8.02.02L |
demonstrate knowledge of procedures to diagnose drum brake systems and their components |
identify tools and equipment used to diagnose drum brake systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose drum brake systems and their components |
| identify hazards and describe safe work practices while diagnosing drum brake systems and their components |
| identify inspections performed to diagnose drum brake systems and their components |
| identify possible faults found while performing inspections on components |
| C-8.02.03L |
demonstrate knowledge of procedures to disassemble and reassemble drum brake systems |
describe procedures to disassemble and reassemble drum brake systems |
| C-8.02.04L |
demonstrate knowledge of regulatory requirements to diagnose drum brake systems and their components |
identify standards and regulations to diagnose drum brake systems and their components |
Range of variables
- brake components include: anchor pins and bushings, s-cam and s-cam bushings, s-cam rollers, slack adjusters, return springs, hold down springs, clevis pins, rubber hoses
- components (removed for access) include: dust shields, wheels, tires, drums, wheel ends (spoke-type hub)
- types of drum brake systems include: hydraulic, air
- tools and equipment include: drum gauges, shoe gauges, light sources
- hazards include: brake dust, high air pressure, brake chambers (proper caging)
- faults include: excessive wear and cracks on shoes and drums, worn slack adjusters, broken or missing retainer hardware, leaking and chafing air lines and fittings, protruding shoes, seized or worn cams and bushings, wheel seal leaks
C-8.03 Diagnoses air brake systems
C-8.03 Diagnoses air brake systems
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QC |
ON |
MB |
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BC |
NT |
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yes |
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NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task |
| C-8.03.02P |
perform sensory inspections on brake components |
sensory inspections on brake components are performed to identify faults |
| C-8.03.03P |
inspect brake chamber |
brake chamber is inspected to ensure that there are no leaks, to identify damage, and to locate broken springs |
| C-8.03.04P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of variables
- tools and equipment include: regulators, brake application tools, jack, jack/support stands, light sources
- brake components include: wheel cylinders, brake shoe linings, return springs, hold down hardware, brake adjuster, caliper, pads, rotors, drums, brake lines, brake hoses
- faults include: air leaks; chafed, kinked and cracked air lines and valves; loose valves and fittings; malfunctioning valves
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.03.01L |
demonstrate knowledge of air brake systems, their components, characteristics, applications and operation |
identify air brake systems and their components, and describe their characteristics, applications and operation |
| describe allowable tolerances |
| identify types of brake shoe materials and linings and describe their functions |
| describe brake timing |
| C-8.03.02L |
demonstrate knowledge of procedures to diagnose air brake systems and their components |
identify tools and equipment used to diagnose air brake systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose air brake systems and their components |
| identify hazards and describe safe work practices while diagnosing air brake systems and their components |
| identify inspections performed to diagnose air brake systems and their components |
| identify possible faults found while performing inspections on components |
| interpret schematics |
| C-8.03.03L |
demonstrate knowledge of procedures to disassemble and reassemble air brake systems |
describe procedures to disassemble and reassemble air brake systems |
Range of variables
- brake components include: wheel cylinders, brake shoe linings, return springs, hold down hardware, brake adjuster, caliper, pads, rotors, drums, brake lines, brake hoses
- tools and equipment include: regulators, brake application tools, jack, jack/support stands, light sources
- hazards include: brake dust, high air pressure, brake chambers (proper caging)
- faults include: air leaks; chafed, kinked and cracked air lines and valves; loose valves and fittings; malfunctioning valves
C-8.04 Diagnoses hydraulic brake systems
C-8.04 Diagnoses hydraulic brake systems
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yes |
ND |
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.04.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ specifications |
| C-8.04.02P |
remove wheel and/or drum to access diagnostic area |
wheel and/or drum is removed to access diagnostic area |
| C-8.04.03P |
disassemble brake systems |
brake systems are disassembled to access brake shoes and cylinders or brake pads and calipers |
| C-8.04.04P |
perform sensory inspections on brake components |
sensory inspections on brake components are performed to identify faults |
| C-8.04.05P |
check brake fluid levels |
brake fluid levels are checked |
| C-8.04.06P |
check reverse lock-out feature on brake system |
reverse lock-out feature is checked |
| C-8.04.07P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of variables
- tools and equipment include: light sources, drum gauges
- brake components include: wheel cylinders, brake shoe linings, return springs, hold down hardware, brake adjuster, caliper, pads, rotors, drums, brake lines, brake hoses
- faults include: hydraulic fluid leaks, kinked and rusted lines, worn shoes and mounting hardware, seized adjusters, cracked hoses
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.04.01L |
demonstrate knowledge of hydraulic brake systems, their components, characteristics, applications and operation |
identify types of hydraulic brake systems and their components, and describe their characteristics, applications and operation |
| describe allowable tolerances |
| identify types of brake shoe materials and linings and describe their functions |
| describe brake timing |
| C-8.04.02L |
demonstrate knowledge of procedures to diagnose hydraulic brake systems and their components |
identify tools and equipment used to diagnose hydraulic brake systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose hydraulic brake systems and their components |
| identify hazards and describe safe work practices while diagnosing hydraulic brake systems and their components |
| identify inspections performed to diagnose hydraulic brake systems and their components |
| identify possible faults found while performing inspections on components |
| interpret schematics |
| C-8.04.03L |
demonstrate knowledge of procedures to disassemble and reassemble hydraulic brake systems |
describe procedures to disassemble and reassemble hydraulic brake systems |
Range of variables
- brake components include: wheel cylinders, brake shoe linings, return springs, hold down hardware, brake adjuster, caliper, pads, rotors, drums, brake lines, brake hoses
- types of hydraulic brake systems include: surge, electric-actuated
- tools and equipment include: light sources, drum gauges
- hazards include: brake dust, hydraulic fluid, high hydraulic pressure
- faults include: hydraulic fluid leaks, kinked and rusted lines, worn shoes and mounting hardware, seized adjusters, cracked hoses
C-8.05 Diagnoses electric brake systems
C-8.05 Diagnoses electric brake systems
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yes |
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NV |
yes |
yes |
ND |
yes |
yes |
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.05.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task |
| C-8.05.02P |
remove components to access diagnostic area |
components are removed to access diagnostic area |
| C-8.05.03P |
disassemble brake system |
brake system is disassembled to access brake pads and magnets |
| C-8.05.04P |
perform sensory inspections on components |
sensory inspections on components are performed to identify faults |
| C-8.05.05P |
check power source for safety breakaway system and check that switch is functional |
power source for safety breakaway system is checked and switch is checked for functionality |
| C-8.05.06P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of variables
- tools and equipment include: screwdrivers, power sources, light sources, multimeters
- components (removed for access) include: wheels, tires, drums
- faults include: broken wires; wear on shoes, drums and magnet
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.05.01L |
demonstrate knowledge of electric brake systems, their components, characteristics, applications and operation |
identify types of electric brake systems and their components, and describe their characteristics, applications and operation |
| describe allowable tolerances |
| identify types of brake shoe materials and linings and describe their functions |
| describe brake timing |
| describe function of brake controller |
| C-8.05.02L |
demonstrate knowledge of procedures to diagnose electric brake systems and their components |
identify tools and equipment used to diagnose electric brake systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose electric brake systems and their components |
| identify hazards and describe safe work practices while diagnosing electric brake systems and their components |
| identify inspections performed to diagnose electric brake systems and their components |
| identify possible faults found while performing inspections on components |
| interpret schematics |
| C-8.05.03L |
demonstrate knowledge of procedures to disassemble and reassemble electric brake systems |
describe procedures to disassemble and reassemble electric brake systems |
Range of variables
- tools and equipment include: screwdrivers, power sources, light sources, multimeters
- hazards include: brake dust, corrosion
- faults include: broken wires; wear on shoes, drums and magnet
C-8.06 Diagnoses electronic braking control systems
C-8.06 Diagnoses electronic braking control systems
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QC |
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yes |
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NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
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ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.06.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task |
| C-8.06.02P |
remove components to access diagnostic area |
components are removed to access diagnostic area |
| C-8.06.03P |
interpret computer diagnostic information after downloading and saving results |
computer diagnostic information is interpreted after downloading and saving results |
| C-8.06.04P |
check wiring and connections |
wiring and connections are checked for continuity, wear and damage |
| C-8.06.05P |
test wheel sensors |
wheel sensors are tested using multimeter and verified against manufacturers’ specifications |
| C-8.06.06P |
inspect wheel sensor and exciter ring |
wheel sensor and exciter ring are inspected for excessive gap and corrosion |
| C-8.06.07P |
verify warning light operation (ABS light) |
warning light operation (ABS light) is verified |
| C-8.06.08P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of variables
- tools and equipment include: multimeters, wire brushes, computers, light sources, blink-code diagnostic tools
- components (removed for access) include: wheels, tires, drums
- next steps include: repairs, component replacement or adjustment, further diagnosis, verification
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.06.01L |
demonstrate knowledge of electronic braking control systems, their components, characteristics, applications and operation |
identify types of electronic braking control systems and their components, and describe their characteristics, applications and operation |
| describe allowable tolerances |
| C-8.06.02L |
demonstrate knowledge of procedures to diagnose electronic braking control systems and their components |
identify tools and equipment used to diagnose electronic braking control systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose electronic braking control systems and their components |
| identify inspections performed to diagnose electronic braking control systems and their components |
| identify possible faults found while performing inspections on components |
| interpret schematics |
| C-8.06.03L |
demonstrate knowledge of regulatory requirements to diagnose electronic braking control systems and their components |
identify and interpret standards and regulations to diagnose electronic braking control systems and their components |
Range of variables
- types of electronic braking control systems include: ABS, roll stability systems
- tools and equipment include: multimeters, wire brushes, computers, light sources, blink-code diagnostic tools
- faults include: sensors, ABS/electronic control unit (ECU), sensor leads, connectivity, tone wheel, wires
Task C-9 Services brake systems
Task Descriptor
Transport trailer technicians service brake systems as a critical task for the safe operation of units. Servicing includes both regular preventative maintenance as well as repairs to braking system faults and failures.
C-9.01 Maintains brake systems
C-9.01 Maintains brake systems
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PE |
NB |
QC |
ON |
MB |
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AB |
BC |
NT |
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NU |
| NV |
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NV |
NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ specifications |
| C-9.01.02P |
perform preventative maintenance checks |
preventative maintenance checks are performed according to jurisdictional standards |
| C-9.01.03P |
lubricate components |
components are lubricated according to recommended maintenance schedule |
| C-9.01.04P |
adjust brakes |
brakes are adjusted according to specifications and jurisdictional regulations |
| C-9.01.05P |
clean air system |
air system is cleaned by flushing contaminants from system with air |
| C-9.01.06P |
inspect electronic control systems |
electronic control systems are inspected |
| C-9.01.07P |
apply dielectric grease to electronic braking connections |
dielectric grease is applied to electronic braking connections |
Range of variables
- tools and equipment include: sockets, ratchets, hand tools, measuring tools, chassis grease, light sources
- preventative maintenance checks include: applied stroke, wear, adjustment
- components include: cams, slack adjusters, auto-greasers
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| vC-9.01.01L |
demonstrate knowledge of brake systems, their components, characteristics, applications and operation |
identify types of brake systems and their components, and describe their characteristics, applications and operation |
| C-9.01.02L |
demonstrate knowledge of procedures to maintain brake systems and their components |
identify tools and equipment used to maintain brake systems and their components, and describe their applications and procedures for use |
| describe procedures to maintain brake systems and their components |
| describe procedures to remove and install brake system components |
| identify safe work practices while maintaining brake systems and their components |
| describe system contamination |
| C-9.01.03L |
demonstrate knowledge of training requirements to maintain brake systems |
identify training requirements to maintain brake systems |
| C-9.01.04L |
demonstrate knowledge of regulatory requirements to maintain brake systems |
identify standards and regulations to maintain brake systems |
Range of variables
- components include: cams, slack adjusters, auto-greasers
- tools and equipment include: sockets, ratchets, hand tools, measuring tools, chassis grease, light sources
C-9.02 Repairs disc brake systems
C-9.02 Repairs disc brake systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ specifications |
| C-9.02.02P |
replace worn, damaged and defective mechanical components |
worn, damaged and defective mechanical components are replaced according to manufacturers’ specifications |
| C-9.02.03P |
replace worn, damaged and defective air system components |
worn, damaged and defective air system components are replaced according to faults |
| C-9.02.04P |
complete repair |
repair is completed by verifying operation of brakes |
Range of variables
- tools and equipment include: caging bolts, rotor gauge, digital calipers, hand tools
- mechanical components include: disc pads, calipers, rotors, fasteners
- air system components include: brake chambers, air lines, valves, fasteners
- faults include: air leaks, broken brake chamber springs, seized calipers, pad thickness, worn rotors
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.02.01L |
demonstrate knowledge of disc brake systems, their mechanical and air system components, characteristics, applications and operation |
identify types of disc brake systems and their mechanical and air system components, and describe their characteristics, applications and operation |
| C-9.02.02L |
demonstrate knowledge of procedures to repair disc brake systems and their mechanical and air system components |
identify tools and equipment used to repair disc brake systems and their mechanical and air system components, and describe their applications and procedures for use |
| describe procedures to remove, repair, replace, adjust, assemble and reinstall disc brake system mechanical and air system components |
| identify hazards and safe work practices while performing repairs |
| describe procedures to verify repair of disc brake systems and their mechanical and air system components |
| C-9.02.03L |
demonstrate knowledge of regulatory requirements to repair disc brake systems and their mechanical and air system components |
identify standards and regulations to repair disc brake systems and their mechanical and air system components |
Range of variables
- mechanical components include: disc pads, calipers, rotors, fasteners
- air system components include: brake chambers, air lines, valves, fasteners
- types of disc brake systems include: hydraulic, air
- tools and equipment include: caging bolts, rotor gauge, digital calipers, hand tools
- hazards include: brake dust, high air pressure, brake chambers (proper caging)
C-9.03 Repairs drum brake systems
C-9.03 Repairs drum brake systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ specifications |
| C-9.03.02P |
remove wheel end and hub assemblies |
wheel end and hub assemblies are removed to access brake system |
| C-9.03.03P |
replace or reinstall drum brake components |
drum brake components are replaced or reinstalled according to task |
| C-9.03.04P |
shim and adjust components |
components are shimmed and adjusted according to task |
| C-9.03.05P |
complete repair |
repair is completed by verifying operation of brakes |
Range of variables
- tools and equipment include: anchor pin removal tool, spring removal/installation tool, drum lift, light sources, hand tools
- components (to be replaced or reinstalled) include: brake drums, brake shoes, s-cams, cam bushings, s-cam tubes, slack adjusters, hardware
- components (to be shimmed and adjusted) include: s-cams, slack adjusters
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.03.01L |
demonstrate knowledge of drum brake systems, their components, characteristics, applications and operation |
identify types of drum brake systems and their components, and describe their characteristics, applications and operation |
| C-9.03.02L |
demonstrate knowledge of procedures to repair drum brake systems and their components |
identify tools and equipment used to repair drum brake systems and their components, and describe their applications and procedures for use |
| describe procedures to remove, repair, replace, adjust, assemble and reinstall drum brake system components |
| identify hazards and safe work practices while performing repairs |
| describe procedures to verify repair of drum brake systems and their components |
| C-9.03.03L |
demonstrate knowledge of regulatory requirements to repair drum brake systems and their components |
identify standards and regulations to repair drum brake systems and their components |
Range of variables
- components (to be replaced or reinstalled) include: brake drums, brake shoes, s-cams, cam bushings, s-cam tubes, slack adjusters, hardware
- components (to be shimmed and adjusted) include: s-cams, slack adjusters
- types of drum brake systems include: hydraulic, air
- tools and equipment include: anchor pin removal tool, spring removal/installation tool, drum lift, light sources, hand tools
- hazards include: brake dust, high air pressure, brake chambers (proper caging), heavy lifting
C-9.04 Repairs air brake systems
C-9.04 Repairs air brake systems
| NL |
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PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.04.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task |
| C-9.04.02P |
replace air brake components |
air brake components are replaced according to faults |
| C-9.04.03P |
repair brake chambers |
brake chambers are repaired by replacing components |
| C-9.04.04P |
complete repair |
repair is completed by verifying operation of air system |
Range of variables
- tools and equipment include: regulators, brake application tools, jacks, jack/support stands, light sources
- components include: valves, sensors, lines, tanks, gladhands, brake chambers, tubing, hoses, clamps, fittings, diaphragms
- faults include: chafed air lines, damaged tubing, leaking valves, leaking reservoir, corrosion, faulty valves, gladhand seals, emergency gladhand screen
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.04.01L |
demonstrate knowledge of air brake systems, their components, characteristics, applications and operation |
identify air brake systems and their components, and describe their characteristics, applications and operation |
| C-9.04.02L |
demonstrate knowledge of procedures to repair drum brake systems and their components |
identify tools and equipment used to repair drum brake systems and their components, and describe their applications and procedures for use |
| describe procedures to remove, repair, replace, adjust, assemble and reinstall drum brake system components |
| identify safe work practices while performing repairs |
| describe procedures to verify repair of air brake systems and their components |
| C-9.04.03L |
demonstrate knowledge of licensing requirements to repair drum brake systems and their components |
identify licensing requirements to repair drum brake systems and their components |
| C-9.04.04L |
demonstrate knowledge of regulatory requirements to repair drum brake systems and their components |
identify standards and regulations to repair drum brake systems and their components |
Range of variables
- components include: valves, sensors, lines, tanks, gladhands, brake chambers, tubing, hoses, clamps, fittings, diaphragms
- tools and equipment include: regulators, brake application tools, jacks, jack/support stands, light sources
C-9.05 Repairs hydraulic brake systems
C-9.05 Repairs hydraulic brake systems
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| NV |
yes |
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NV |
NV |
yes |
yes |
ND |
yes |
yes |
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.05.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task |
| C-9.05.02P |
remove wheel end and hub assemblies |
wheel end and hub assemblies are removed to access brake system |
| C-9.05.03P |
replace or reinstall hydraulic brake components |
hydraulic brake components are replaced or reinstalled |
| C-9.05.04P |
recondition components |
components are reconditioned |
| C-9.05.05P |
bleed system |
system is bled to remove air from system |
| C-9.05.06P |
complete repair |
repair is completed by verifying operation of brakes and visually inspecting for leaks |
Range of variables
- tools and equipment include: air gun, jack, jack/support stands, brake adjusting tool, hand tools
- components include: sensors, wheel and master cylinders, brake bleeders, tubing, lines, fittings, brake fluid
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.05.01L |
demonstrate knowledge of hydraulic brake systems, their components, characteristics, applications and operation |
identify types of hydraulic brake systems and their components, and describe their characteristics, applications and operation |
| C-9.05.02L |
demonstrate knowledge of procedures to repair hydraulic brake systems and their components |
identify tools and equipment used to repair hydraulic brake systems and their components, and describe their applications and procedures for use |
| describe procedures to remove, repair, replace, adjust, assemble and reinstall hydraulic brake system components |
| identify hazards and safe work practices while performing repairs |
| describe procedures to verify repair of hydraulic brake systems and their components |
| C-9.05.03L |
demonstrate knowledge of regulatory requirements to repair hydraulic brake systems and their components |
identify standards and regulations to repair hydraulic brake systems and their components |
Range of variables
- components include: sensors, wheel and master cylinders, brake bleeders, tubing, lines, fittings, brake fluid
- types of hydraulic brake systems include: surge, air-actuated
- tools and equipment include: air gun, jack, jack/support stands, brake adjusting tool, hand tools
- hazards include: brake dust, high-pressure fluid, environmental factors, corrosive materials
C-9.06 Repairs electric brake systems
C-9.06 Repairs electric brake systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.06.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ specifications |
| C-9.06.02P |
remove worn and damaged components |
worn and damaged components are removed |
| C-9.06.03P |
replace or reinstall electric brake components |
electric brake components are replaced or reinstalled |
| C-9.06.04P |
repack wheel bearings and adjust bearings |
wheel bearings are repacked and bearings are adjusted according to manufacturers’ free play specifications |
| C-9.06.05P |
repair and replace damaged and corroded wiring |
damaged and corroded wiring is repaired and replaced |
| C-9.06.06P |
charge battery |
battery is charged |
| C-9.06.07P |
complete repair by verifying operation of electric brake system |
repair is completed by verifying operation of electric brake system |
Range of variables
- tools and equipment include: screwdrivers, power sources, light sources, multimeters, hand tools, wire strippers, wire crimpers
- components include: battery, magnets, shoes, controllers
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.06.01L |
demonstrate knowledge of electric brake systems, their components, characteristics, applications and operation |
identify types of electric brake systems and their components, and describe their characteristics, applications and operation |
| C-9.06.02L |
demonstrate knowledge of procedures to repair electric brake systems and their components |
identify tools and equipment used to repair electric brake systems and their components, and describe their applications and procedures for use |
| describe procedures to remove, repair, replace, adjust, assemble and reinstall electric brake system components |
| identify hazards and safe work practices while performing repairs |
| describe procedures to verify repair of electric brake systems and their components |
| C-9.06.03L |
demonstrate knowledge of regulatory requirements to repair electric brake systems and their components |
identify standards and regulations to repair electric brake systems and their components |
Range of variables
- components include: battery, magnets, shoes, controllers
- tools and equipment include: screwdrivers, power sources, light sources, multimeters, hand tools, wire strippers, wire crimpers
- hazards include: brake dust, corrosion
C-9.07 Repairs electronic braking control systems
C-9.07 Repairs electronic braking control systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
ND |
yes |
yes |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-9.07.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ specifications |
| C-9.07.02P |
confirm voltage supplied to system |
voltage supplied to system is confirmed |
| C-9.07.03P |
replace components |
components are replaced |
| C-9.07.04P |
adjust sensor gap |
sensor gap is adjusted according to manufacturers’ specifications |
| C-9.07.05P |
clean tone ring |
tone ring is cleaned to allow for generation of electrical impulses as required for function of electronic control system |
| C-9.07.06P |
clear fault codes in ECU and complete repair |
fault codes in ECU are cleared and repair is completed by verifying operation of electronic braking control system |
Range of variables
- tools and equipment include: multimeters, wire brushes, computers, light sources, blink-code diagnostic tools, hand tools, wire strippers, wire crimpers
- components include: sensors, cables, valves, connectors, ECU
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.07.01L |
demonstrate knowledge of electronic braking control systems, their components, characteristics, applications and operation |
identify types of electronic braking control systems and their components, and describe their characteristics, applications and operation |
| C-9.07.02L |
demonstrate knowledge of procedures to repair electronic braking control systems and their components |
identify tools and equipment used to repair electronic braking control systems and their components, and describe their applications and procedures for use |
| describe procedures to remove, repair, replace, adjust, assemble and reinstall electronic braking control system components |
| identify safe work practices while performing repairs |
| describe procedures to verify repair of electronic braking control systems and their components |
| C-9.07.03L |
demonstrate knowledge of training and certification requirements to repair electronic braking control systems and their components |
identify training and certification requirements to repair electronic braking control systems and their components |
| C-9.07.04L |
demonstrate knowledge of regulatory requirements to repair electronic braking control systems and their components |
identify and interpret standards and regulations to repair electronic braking control systems and their components |
Range of variables
- types of electronic braking control systems include: ABS, roll stability systems
- components include: sensors, cables, valves, connectors, ECU
- tools and equipment include: multimeters, wire brushes, computers, light sources, blink-code diagnostic tools, hand tools, wire strippers, wire crimpers