Table of Contents
Task H-30 Diagnoses towing systems
Task descriptor
Recreation vehicle service technicians need to recognize and diagnose towing system problems to prepare a repair plan. Towing systems are made up of the tow vehicle and towed vehicle, and include the hitching, wiring and brake systems.
H-30.01-Diagnoses tow vehicle systems
H-30.01-Diagnoses tow vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-30.01.01P |
confirm customer concern |
customer concern is confirmed on work order to isolate source of problem and determine required diagnostic actions |
| H-30.01.02P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-30.01.03P |
inspect tow vehicle systems |
tow vehicle systems are inspected for operational faults |
| H-30.01.04P |
identify tow vehicle requirements |
tow vehicle requirements are identified to ensure vehicle is approved for towing |
| H-30.01.05P |
inspect tow vehicle system components |
tow vehicle system components are visually inspected for damage |
| H-30.01.06P |
perform electrical tests to isolate issues |
electrical tests are performed to isolate issues between tow and towed vehicle |
| H-30.01.07P |
determine cause of fault |
cause of fault is determined by inspections and testing |
| H-30.01.08P |
determine servicing required |
servicing required is determined according to manufacturers' specifications, tests and inspections |
| H-30.01.09P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: test lights, multimeters, specialty diagnostic tools
- tow vehicle systems include: hitching, braking, lighting
- operational faults include: improper setup, damage, malfunctions
- tow vehicle requirements include: hitch classes, towing capacities, weight ratings
- components include: fifth wheel hitch, hitch pin, hitch receiver, weight distribution system, tie downs, brake controllers, electrical components (wiring, fuses, relays, diodes), sway control
- damage includes: wear, corrosion, fatigue, loose fasteners
- cause of fault includes: shorts, corroded connectors, worn hitching components
- servicing includes: replacing connectors, torque specifications, lubrication, replacing hitches, replacing brake controls
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-30.01.01L |
demonstrate knowledge of tow vehicle systems and their components, characteristics and applications |
identify terminology associated with tow vehicle systems and their components |
| identify tow vehicle systems and their components, and describe their characteristics and applications |
| identify tow vehicle requirements, and describe their characteristics and applications |
| describe types of brake systems and their operation |
| identify diodes and electrical circuits, and describe their characteristics and applications |
| H-30.01.02L |
demonstrate knowledge of procedures to diagnose tow vehicle systems |
identify tools and testing equipment used to diagnose tow vehicle systems, and describe their procedures for use |
| describe procedures to diagnose tow vehicle systems |
| H-30.01.03L |
demonstrate knowledge of regulatory requirements to diagnose tow vehicle systems |
identify regulations related totow vehicle systems |
Range of variables
- components include: fifth wheel hitch, weight distribution system, tie downs, brake controllers, electrical components (wiring, fuses, relays, diodes), sway control
- tow vehicle requirements include: hitch classes, towing capacities, weight ratings
- types of brake systems include: hydraulic, electric, surge
- tools and testing equipment include: test lights, multimeters, specialty diagnostic tools
- damage includes: wear, corrosion, fatigue, loose fasteners
- tow vehicle systems include: hitching, braking, lighting
- regulations include: axle weight limitations, towing capacities
H-30.02-Diagnoses towed vehicle systems
H-30.02-Diagnoses towed vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-30.02.01P |
confirm customer concern |
customer concern is confirmed on work order to isolate source of problem and determine required diagnostic actions |
| H-30.02.02P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-30.02.03P |
inspect towed vehicle systems |
towed vehicle systems are inspected for operational faults |
| H-30.02.04P |
identify towed vehicle capabilities |
towed vehicle capabilities are identified |
| H-30.02.05P |
inspect towed vehicle system components |
towed vehicle system components are visually inspected for damage and operation |
| H-30.02.06P |
perform electrical tests to isolate issues |
electrical tests are performed to isolate issues between tow and towed vehicle |
| H-30.02.07P |
determine cause of fault |
cause of fault is determined |
| H-30.02.08P |
determine servicing required |
servicing required is determined according to manufacturers' specifications, tests and inspections |
| H-30.02.09P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: test lights, multimeters, 12-volt power source, specialty diagnostic tools, hand tools, power tools
- towed vehicle systems include: hitching, braking, lighting
- operational faultsinclude: improper setup, corrosion, damage, malfunctions
- towed vehicle capabilities include: axle capacities, weight ratings,auxiliary braking, safety break-away switches
- components include: tow bars, couplers, pin boxes, base plates, auxiliary brake systems, wiring, safety cables
- damage includes: wear, fatigue, loose fasteners, corrosion
- cause of fault includes: shorts, corrosion, wear
- servicing includes: replacing connectors, replacing hitches, replacing braking system components
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-30.02.01L |
demonstrate knowledge of towed vehicle systems and their components, characteristics and applications |
identify terminology associated withtowed vehicle systems and their components |
| identify towed vehicle systems and their components, and describe their characteristics and applications |
| identify diodes and electrical circuits, and describe their characteristics and applications |
| identify towed vehicle capabilities |
| H-30.02.02L |
demonstrate knowledge of procedures to diagnose towed vehicle systems |
identify tools and testing equipment used to diagnose towed vehicle systems, and describe their procedures for use |
| describe procedures to diagnose towed vehicle systems |
| H-30.02.03L |
demonstrate knowledge of regulatory requirements to diagnose towed vehicle systems |
identify regulations related totowed vehicle systems |
Range of variables
- towed vehicle systems include: hitching, braking, lighting
- components include: tow bars, couplers, pin boxes, base plates, auxiliary brake systems, wiring, safety cables
- towed vehicle capabilities include: axle capacities, weight ratings,auxiliary braking, safety break-away switches
- tools and testing equipment include: test lights, multimeters, 12-volt power source, specialty diagnostic tools, hand tools, power tools
- regulations include: axle weight limitations, towing capacities
Task H-31 Services tow vehicle systems
Task descriptor
Recreation vehicle service technicians install towing systems to provide customers with the comfort and convenience of using their existing vehicle to increase their versatility. It is critical that technicians properly maintain these systems in order to ensure safety and worry-free travelling.
H-31.01-Maintains tow vehicle systems
H-31.01-Maintains tow vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-31.01.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-31.01.02P |
inspect tow vehicle system components for wear, corrosion and lack of lubrication |
tow vehicle system components are visually inspected for wear, corrosion and lack of lubrication |
| H-31.01.03P |
lubricate hitching components |
hitching components are lubricated according to manufacturers’ specifications |
| H-31.01.04P |
protect electrical components |
electrical components are protected using dielectric grease and corrosion protection |
| H-31.01.05P |
check and adjust bolt torque |
bolt torque is checked and adjusted according to manufacturers’ specifications |
| H-31.01.06P |
verify operation of electrical system |
operation of electrical system is verified using diagnostic equipment and visual inspection |
| H-31.01.07P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: hitch lubrication tools, torque wrenches, diagnostic
- components include: weight distributing hitches, fifth wheel hitches, air ride hitches, sway control systems, brake control systems, receiver
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-31.01.01L |
demonstrate knowledge of tow vehicle systems and their components, characteristics and applications |
identify terminology associated with tow vehicle systems and their components |
| identify tow vehicle systems and their components, and describe their characteristics and applications |
| identify hitch weights, clearances and towing limitations |
| describe lubrication requirements of components |
| H-31.01.02L |
demonstrate knowledge of procedures to maintain tow vehicle systems |
identify tools and testing equipment used to maintain tow vehicle systems, and describe their procedures for use |
| describe procedures to maintain tow vehicle systems |
Range of variables
- tow vehicle systems include: hitching, braking, lighting
- components include: weight distributing hitches, fifth wheel hitches, air ride hitches, sway control systems, brake control systems, receiver
- tools and testing equipment include: hitch lubrication tools, torque wrenches, diagnostic
H-31.02-Repairs tow vehicle systems
H-31.02-Repairs tow vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-31.02.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-31.02.02P |
access repair area |
repair area is accessed by removing exterior body parts and raising tow vehicle |
| H-31.02.03P |
repair and replace tow vehicle system components |
tow vehicle system components are repaired and replaced according to manufacturers’ specifications |
| H-31.02.04P |
verify tow vehicle system operation and setup |
tow vehicle system operation and setup is verified |
| H-31.02.05P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: pneumatic tools, measuring tools, hand tools, power tools, multimeters, diagnostic
- components include: weight distributing hitches, fifth wheel hitches, air ride hitches, sway control systems, brake control systems, receiver
- tow vehicle systems include: hitching, braking, lighting
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-31.02.01L |
demonstrate knowledge of tow vehicle systems and their components, characteristics and applications |
identify terminology associated with tow vehicle systems and their components |
| identify tow vehicle systems and their components, and describe their characteristics and applications |
| identify hitch weights, clearances and towing limitations |
| H-31.02.02L |
demonstrate knowledge of procedures to repair tow vehicle systems |
identify tools and testing equipment used to repair tow vehicle systems, and describe their procedures for use |
| describe procedures to repair tow vehicle systems and their components |
Range of variables
- tow vehicle systems include: hitching, braking, lighting
- components include: weight distributing hitches, fifth wheel hitches, air ride hitches, sway control systems, brake control systems, receiver
- tools and testing equipment include: pneumatic tools, measuring tools, hand tools, power tools, multimeters, diagnostic
H-31.03-Installs tow vehicle systems
H-31.03-Installs tow vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-31.03.01P |
determine installation strategy |
installation strategy is determined by calculating load and material requirements |
| H-31.03.02P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-31.03.03P |
access installation area |
installation area is accessed by removing exterior body parts and raising tow vehicle |
| H-31.03.04P |
install tow vehicle system components |
tow vehicle system components are installed according to manufacturers’ specifications |
| H-31.03.05P |
verify tow vehicle system operation and setup |
tow vehicle system operation and setup is verified |
| H-31.03.06P |
document work |
work is documented according to company policies and procedures |
Range of variables
- installation strategy includes: component selection and placement, customer needs
- tools and testing equipment include: pneumatic tools, measuring tools, hand tools, power tools
- components include: weight distributing hitches, fifth wheel hitches, air ride hitches, sway control systems, brake control systems, receiver
- tow vehicle systems include: hitching, braking, lighting
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-31.03.01L |
demonstrate knowledge of tow vehicle systems and their components, characteristics and applications |
identify terminology associated with tow vehicle systems and their components |
| identify tow vehicle systems and their components, and describe their characteristics and applications |
| identify tow vehicle requirements, and describe their characteristics and applications |
| describe limitations of tow vehicle components |
| H-31.03.02L |
demonstrate knowledge of procedures to install tow vehicle systems |
identify tools and testing equipment used to install tow vehicle systems, and describe their procedures for use |
| describe procedures to install tow vehicle systems |
| describe installation and removal procedures of tow vehicle system components |
| describe hook-up and unhooking procedures |
Range of variables
- tow vehicle systems include: hitching, braking, lighting
- components include: weight distributing hitches, fifth wheel hitches, air ride hitches, sway control systems, brake control systems, receiver
- tow vehicle requirements include: hitch classes, towing capacities, weight ratings
- tools and testing equipment include: pneumatic tools, measuring tools, hand tools, power tools
Task H-32 Services towed vehicle systems
Task descriptor
Recreation vehicle service technicians install towing systems to provide customers with the comfort and convenience of using their existing vehicle to increase their versatility. It is critical that technicians properly maintain these systems in order to ensure safety and worry-free travelling.
H-32.01-Maintains towed vehicle systems
H-32.01-Maintains towed vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-32.01.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-32.01.02P |
inspect towed vehicle system components |
towed vehicle system components are visually inspected for wear, corrosion and lack of lubrication |
| H-32.01.03P |
lubricate hitching components |
hitching components are lubricated according to manufacturers’ specifications |
| H-32.01.04P |
protect electrical components |
electrical components are protected using dielectric grease and corrosion protection |
| H-32.01.05P |
verify operation of towed vehicle systems |
operation of towed vehicle systems is verified by performing inspection according to manufacturers' specifications |
| H-32.01.06P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: test lights, multimeters, 12-volt power source, specialty diagnostic tools, hand tools, power tools
- components include: spacers, cables, fasteners, tow bars, auxiliary braking system, base plates, lubrication systems
- towed vehicle systems include: hitching, braking, lighting, lubrication pump
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-32.01.01L |
demonstrate knowledge of towed vehicle systems and their components, characteristics and applications |
identify terminology associated with towed vehicle systems and their components |
| identify towed vehicle systems and their components, and describe their characteristics and applications |
| identify towed vehicle requirements, and describe their characteristics and applications |
| describe limitations of tow bars, axles and safety cables |
| H-32.01.02L |
demonstrate knowledge of procedures to maintain towed vehicle systems |
identify tools and testing equipment used to maintain towed vehicle systems, and describe their procedures for use |
| describe procedures to maintain towed vehicle systems |
Range of variables
- towed vehicle systems include: hitching, braking, lighting, lubrication pump
- components include: spacers, cables, fasteners, tow bars, auxiliary braking system, base plates, lubrication systems
- towed vehicle requirements include: auxiliary braking, weight restriction, safety break-away switches
- tools and testing equipment include: test lights, multimeters, 12-volt power source, specialty diagnostic tools, hand tools, power tools
H-32.02-Repairs towed vehicle systems
H-32.02-Repairs towed vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-32.02.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-32.02.02P |
repair and replace towed vehicle system components |
towed vehicle system components are repaired and replaced according to manufacturers’ specifications |
| H-32.02.03P |
verify towed vehicle system operation and setup |
towed vehicle system operation and setup are verified |
| H-32.02.04P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: test lights, multimeters, 12-volt power source, specialty diagnostic tools, hand tools, power tools
- components include: spacers, cables, fasteners, tow bars, auxiliary braking system, base plates, lubrication systems
- towed vehicle systems include: hitching, braking, lighting, lubrication pump
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-32.02.01L |
demonstrate knowledge of towed vehicle systems and their components, characteristics and applications |
identify terminology associated with towed vehicle systems and their components |
| identify towed vehicle systems and their components, and describe their characteristics and applications |
| identify towed vehicle requirements, and describe their characteristics and applications |
| describe limitations of towed vehicle system components |
| identify compatibility of replacement parts |
| H-32.02.02L |
demonstrate knowledge of procedures to repair towed vehicle systems |
identify tools and testing equipment used to repair towed vehicle systems, and describe their procedures for use |
| describe procedures to repair towed vehicle systems |
| describe procedures to repair and replace towed vehicle system components |
| describe hook-up and unhooking procedures |
Range of variables
- towed vehicle systems include: hitching, braking, lighting, lubrication pump
- components include: spacers, cables, fasteners, tow bars, auxiliary braking system, base plates, lubrication systems
- towed vehicle requirements include: auxiliary braking, weight restriction, safety break-away switches
- tools and testing equipment include: test lights, multimeters, 12-volt power source, specialty diagnostic tools, hand tools, power tools
H-32.03-Installs towed vehicle systems
H-32.03-Installs towed vehicle systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| H-32.03.01P |
determine installation strategy |
installation strategy is determined by calculating load and material requirements |
| H-32.03.02P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| H-32.03.03P |
install towed vehicle system components |
towed vehicle system components are installed according to manufacturers’ specifications |
| H-32.03.04P |
verify towed vehicle system operation and setup |
towed vehicle system operation and setup are verified |
| H-32.03.05P |
document work |
work is documented according to company policies and procedures |
Range of variables
- installation strategy includes: component selection and placement, customer needs
- load includes: length, height, width, weight
- tools and testing equipment include: pneumatic tools, measuring tools, hand tools, power tools
- components include: spacers, cables, fasteners, tow bars, auxiliary braking system, base plates, lubrication systems
- towed vehicle systems include: hitching, braking, lighting, lubrication pump
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| H-32.03.01L |
demonstrate knowledge of towed vehicle systems and their components, characteristics and applications |
identify terminology associated with towed vehicle systems and their components |
| identify towed vehicle systems and their components, and describe their characteristics and applications |
| identify towed vehicle requirements, and describe their characteristics and applications |
| describe limitations of towed vehicle system components |
| H-32.03.02L |
demonstrate knowledge of procedures to install towed vehicle systems |
identify tools and testing equipment used to install towed vehicle systems, and describe their procedures for use |
| describe procedures to installtowed vehicle systems |
| describe hook-up and unhooking procedures |
Range of variables
- towed vehicle systems include: hitching, braking, lighting, lubrication pump
- components include: spacers, cables, fasteners, tow bars, auxiliary braking system, base plates, lubrication systems
- towed vehicle requirements include: auxiliary braking, weight restriction, safety break-away switches
- tools and testing equipment include: pneumatic tools, measuring tools, hand tools, power tools