Table of Contents
Task G-24 Diagnoses frames and mechanical components
Task descriptor
Diagnosis of frame and mechanical component problems ensures that servicing is completed to correct problems to ensure a safe and reliable repair. In some jurisdictions, the work performed on frames by recreation vehicle service technicians is limited by liability and environmental restrictions.
G-24.01-Diagnoses frames
G-24.01-Diagnoses frames
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-24.01.01P |
confirm customer concern |
customer concern is confirmed on work order to isolate source of problem and determine required diagnostic actions |
| G-24.01.02P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-24.01.03P |
inspect frame |
frame is visually inspected for faults |
| G-24.01.04P |
measure frame for alignment |
frame is measured for alignment according to manufacturers’ specifications |
| G-24.01.05P |
determine cause of fault |
cause of fault is determined according to tests, inspections and manufacturers' specifications |
| G-24.01.06P |
determine servicing required |
servicing required is determined according to tests, inspections and manufacturers’ specifications |
| G-24.01.07P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: measuring devices, calipers, marking devices, plumb bob, levels, hand tools, power tools, shop tools
- faults include: peeling undercoat, corrosion, cracks, bends, broken bolts, broken welds
- cause of fault includes: poor maintenance, accidents, rough road conditions, overloading, environmental conditions
- servicing includes: cleaning, preparing, painting, changing couplers, changing bumpers, alignment procedures, pin boxes, king pin
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-24.01.01L |
demonstrate knowledge of frames, their characteristics and applications |
identify terminology associated with frames |
| identify causes of rust and corrosion |
| identify types of fasteners, and describe their characteristics and applications |
| identify paints, primers and undercoating materials, and describe their characteristics and applications |
| identify frame types, and describe their characteristics and applications |
| identify frame styles, and describe their characteristics and applications |
| identify types, sizes and weight capacities of hitch couplers |
| identify rear bumper types and attachments, and describe their characteristics and applications |
| identify frame material, and describe their characteristics and applications |
| G-24.01.02L |
demonstrate knowledge of procedures to diagnose frames |
identify tools and equipment used to diagnose frames, and describe their procedures for use |
| describe procedures to diagnose frames |
Range of variables
- frame types include: I beam, tubular, C channels
- frame material includes: ferrous, non-ferrous
- tools and equipment include: measuring devices, calipers, marking devices, plumb bob, levels, hand tools, power tools, shop tools
G-24.02-Diagnoses running gear
G-24.02-Diagnoses running gear
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-24.02.01P |
confirm customer concern |
customer concern is confirmed on work order to isolate source of problem and determine required diagnostic actions |
| G-24.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-24.02.03P |
interpret tire tread wear |
tire tread wear is interpreted according to visual inspection and manufacturers’ specifications |
| G-24.02.04P |
identify worn, loose or broken running gear components |
worn, loose or broken running gear components are identified |
| G-24.02.05P |
test brake systems |
brake systems are tested to ensure functionality |
| G-24.02.06P |
check for brake problems |
brake problems are checked for proper operation |
| G-24.02.07P |
locate and isolate electrical problems between trailer and tow vehicle |
electrical problems between trailer and tow vehicle are located and isolated by testing voltage drop and amp draw using multimeters |
| G-24.02.08P |
inspect hydraulic brakes |
hydraulic brakes are visually inspected for leaks and pinched lines |
| G-24.02.09P |
determine cause of fault |
cause of fault is determined according to tests, inspections and manufacturers' specifications |
| G-24.02.10P |
determine servicing required |
servicing required is determined according to tests, inspections and manufacturers’ specifications |
| G-24.02.11P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: hand tools, power tools, multimeters, calipers, measuring tools, depth gauge, shop tools
- tire tread wear includes: cupping, feathering, outer and inner wear
- components include: axles, bushings, bearings, hangers, equalizers, shocks, springs, bolts, shackles, brake assemblies, wheels, tires
- brake systems include: electric, hydraulic, electric over hydraulic
- brake problems include: scored brake drums, seized parts, delaminated linings, defective magnets, broken springs, out of adjustment, defective wiring
- cause of fault includes: poor maintenance, defective parts, wear, corrosion
- servicing includes: replacing seals, servicing bearings, replacing bushings, replacing springs, replacing hardware, servicing brakes, replacing axles
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-24.02.01L |
demonstrate knowledge of running gear, their components, characteristics and applications |
identify terminology associated with running gear |
| identify components, and describe their characteristics and applications |
| identify tire types, pressures and load ranges |
| identify torque specifications |
| describe signs of wheel damage, bearing wear and overheating |
| identify axle and spring capacities |
| identify wheel alignment specifications and describe their characteristics |
| identify types of axle suspension, and describe their characteristics and applications |
| describe trailer brake wiring circuits |
| identify location and describe function of break-away switches |
| identify brake systems, and describe their characteristics and applications |
| G-24.02.02L |
demonstrate knowledge of procedures to diagnose running gear |
identify tools and equipment used to diagnose running gear, and describe their procedures for use |
| describe procedures to diagnose running gear |
Range of variables
- components include: axles, bushings, hangers, equalizers, shocks, springs, bolts, shackles, brake assemblies, wheels, tires
- wheel alignment specifications include: camber, caster, toe
- types of axle suspension include: steel spring, torsion, air ride
- brake systems include: electric, hydraulic, electric over hydraulic
- tools and equipment include: hand tools, power tools, multimeters, calipers, measuring tools, depth gauge
G-24.03-Diagnoses levelling systems
G-24.03-Diagnoses levelling systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-24.03.01P |
confirm customer concern |
customer concern is confirmed on work order to isolate source of problem and determine required diagnostic actions |
| G-24.03.02P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-24.03.03P |
access and inspect levelling system components |
levelling system components are accessed and visually inspected |
| G-24.03.04P |
check hydraulic fluid |
hydraulic fluid is checked for fluid level and contaminants |
| G-24.03.05P |
test levelling system |
levelling system is tested according to operating instructions |
| G-24.03.06P |
check electrical source |
electrical source is checked for specified DC voltage and amperage |
| G-24.03.07P |
inspect wiring connections, gauge and routing |
wiring connections, gauge and routing are inspected according to manufacturers’ specifications |
| G-24.03.08P |
determine cause of fault |
cause of fault is determined according to tests, inspections and manufacturers' specifications |
| G-24.03.09P |
determine servicing required |
servicing required is determined according to tests, inspections and manufacturers’ specifications |
| G-24.03.10P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: hand tools, power tools, multimeters, load testers, levels, hydraulic pressure gauges
- levelling system components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
- cause of fault includes: poor maintenance, defective parts, operator misuse, corrosion
- servicing includes: replacing jacks, replacing fittings and hoses, servicing electrical components
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-24.03.01L |
demonstrate knowledge of levelling systems, their components, characteristics and applications |
identify terminology associated with levelling system operation |
| describe levelling system operation |
| identify hydraulic, mechanical and electrical/electronic systems, and describe their characteristics and applications |
| identify components, and describe their characteristics and applications |
| describe sequence of operation |
| identify DC systems, and describe their characteristics and applications |
| G-24.03.02L |
demonstrate knowledge of procedures to diagnose levelling systems |
identify tools and equipment used to diagnose levelling systems, and describe their procedures for use |
| describe procedures to diagnose levelling systems |
Range of variables
- components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
- tools and equipment include: hand tools, power tools, multimeters, load testers, levels, hydraulic pressure gauges
G-24.04-Diagnoses slide-out systems
G-24.04-Diagnoses slide-out systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-24.04.01P |
confirm customer concern |
customer concern is confirmed on work order to isolate source of problem and determine required diagnostic actions |
| G-24.04.02P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-24.04.03P |
check electrical source |
electrical source is checked for specified DC voltage and amperage |
| G-24.04.04P |
inspect wiring connections, gauge and routing |
wiring connections, gauge and routing are inspected according to manufacturers’ specifications |
| G-24.04.05P |
test electrical/electronic components |
electrical/electronic components are tested for operation |
| G-24.04.06P |
check mechanical components |
mechanical components are checked for lubrication and wear |
| G-24.04.07P |
check hydraulic components |
hydraulic components are checked for leaks using methods |
| G-24.04.08P |
inspect hydraulic fluid |
hydraulic fluid is visually inspected for fluid level and contaminants |
| G-24.04.09P |
check seals and sweeps for faults |
seals and sweeps are checked for faults |
| G-24.04.10P |
determine cause of fault |
cause of fault is determined according to tests, inspections and manufacturers' specifications |
| G-24.04.11P |
determine servicing required |
servicing required is determined according to tests, inspections and manufacturers’ specifications |
| G-24.04.12P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: multimeters, load testers, hand tools, power tools, shop tools, measuring and alignment devices
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, connectors
- mechanical components include: cables, gears, pulleys, tubes and rollers, sweeps, seals
- hydraulic components include: hoses, fittings, cylinders, reservoirs, pumps
- methods include: performing visual inspection, using hydraulic pressure gauges
- faults include: fit, cracks, corrosion, tears, adhesion, damaged mechanical and electrical components, faulty alignment
- cause of fault includes: poor maintenance, defective parts, operator misuse, poor alignment, corrosion, damaged sweeps and seals
- servicing includes: replacing cylinders, cables, motors, wiring, switches and winches, repairing fittings and hoses, gears, rollers, lubrication
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-24.04.01L |
demonstrate knowledge of slide-out systems, their characteristics and applications |
identify terminology associated with slide-out systems |
| identify types of slide-out systems, and describe their characteristics and applications |
| identify electrical/electronic components, and describe their characteristics and applications |
| identify mechanical components, and describe their characteristics and applications |
| identify hydraulic components, and describe their characteristics and applications |
| describe operation of slide-out systems |
| G-24.04.02L |
demonstrate knowledge of procedures to diagnose slide-out systems |
identify tools and equipment used to diagnose slide-out systems, and describe their procedures for use |
| describe procedures to diagnose slide-out systems |
Range of variables
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, connectors
- mechanical components include: cables, gears, pulleys, tubes and rollers, sweeps, seals
- hydraulic components include: hoses, fittings, cylinders, reservoirs, pumps
- types of slide-out systems include: hydraulic, through-frame, in-wall, cable, manual
- tools and equipment include: multimeters, load testers, hand tools, power tools, shop tools, measuring and alignment devices
G-24.05-Diagnoses lifting systems
G-24.05-Diagnoses lifting systems
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-24.05.01P |
confirm customer concern |
customer concern is confirmed on work order to isolate source of problem and determine required diagnostic actions |
| G-24.05.02P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-24.05.03P |
check electrical source |
electrical source is checked for specified DC voltage and amperage |
| G-24.05.04P |
inspect wiring connections, gauge and routing |
wiring connections, gauge and routing are inspected according to manufacturers’ specifications |
| G-24.05.05P |
test electrical/electronic components |
electrical/electronic components are tested for operation |
| G-24.05.06P |
check mechanical components |
mechanical components are checked for lubrication and wear |
| G-24.05.07P |
check seals and sweeps |
seals and sweeps are checked for faults |
| G-24.05.08P |
determine cause of fault |
cause of fault is determined |
| G-24.05.09P |
determine servicing required |
servicing required is determined according to tests, inspections and manufacturers’ specifications |
| G-24.05.10P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: multimeters, load testers, hand tools, power tools, shop tools, measuring and alignment devices
- electrical/electronic components include: solenoids, relays, control boards, remote controls, motors, switches, wiring, connectors
- mechanical components include: winches, gears, cranks, cables, guide tubes, spring assemblies, rollers, bearings
- faults include: fit, cracks, tears, adhesion, alignment
- cause of fault includes: poor maintenance, defective parts, operator misuse, poor alignment
- servicing includes: replacing cylinders, cables, cranks, motors and winches, repairing fittings and hoses
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-24.05.01L |
demonstrate knowledge of lifting systems, their characteristics and applications |
identify terminology associated with lifting systems |
| identify lifting systems, and describe their characteristics and applications |
| identify electrical/electronic components, and describe their characteristics and applications |
| identify mechanical components, and describe their characteristics and applications |
| describe operation of lifting systems |
| G-24.05.02L |
demonstrate knowledge of procedures to diagnose lifting systems |
identify tools and equipment used to diagnose lifting systems, and describe their procedures for use |
| describe procedures to diagnose lifting systems |
Range of variables
- electrical/electronic components include: solenoids, relays, control boards, remote controls, motors, switches, wiring, connectors
- mechanical components include: winches, gears, cranks, cables, guide tubes, spring assemblies, rollers, bearings
- tools and equipment include: multimeters, load testers, hand tools, power tools, shop tools, measuring and alignment devices
Task G-25 Services frames
Task descriptor
Frames are serviced to ensure the safe and reliable operation of recreation vehicles. The frame of a RV carries the load of all components and maintains the integrity of the entire unit. Servicing must be performed within exact tolerances to maintain the performance qualities of the RV. In some jurisdictions, the work performed on frames by recreation vehicle service technicians is limited by liability and environmental restrictions.
G-25.01-Maintains frames
G-25.01-Maintains frames
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-25.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-25.01.02P |
inspect undercoating |
undercoating is visually inspected for faults |
| G-25.01.03P |
sand, prep, paint, undercoat frame |
frame is sanded, prepped, painted and undercoated according to manufacturers’ specifications |
| G-25.01.04P |
inspect frame for damages |
frame is inspected for damages |
| G-25.01.05P |
inspect mounting points for frame components |
mounting points for frame components are visually inspected according to manufacturers’ specifications |
| G-25.01.06P |
clean, adjust and lubricate components |
components are cleaned, adjusted and lubricated |
| G-25.01.07P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: hand tools, power tools, pneumatic tools, shop tools
- faults include: chipping, peeling, rust
- damages include: rust, cracks, frame to axle misalignment, improper gauge
- mounting points include: floor to frame, slide-out mechanism, hangers, outriggers, brackets
- components include: steps, couplers, bumpers, pin box, frame rails
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-25.01.01L |
demonstrate knowledge of frames, their components, characteristics and applications |
identify terminology associated with frames |
| identify causes of rust and corrosion |
| identify types of fasteners, and describe their characteristics and applications |
| identify paints, primers and undercoating materials, and describe their characteristics and applications |
| identify frame types, and describe their components, characteristics and applications |
| identify frame styles, and describe their characteristics and applications |
| identify types, sizes and weight capacities of hitch couplers |
| identify bumper types and attachments, and describe their characteristics and applications |
| identify frame materials, and describe their characteristics and applications |
| G-25.01.02L |
demonstrate knowledge of procedures to maintain frames |
identify tools and equipment used to maintain frames, and describe their procedures for use |
| describe procedures to maintain frames |
Range of variables
- components include: steps, couplers, bumpers, pin box, frame rails
- frame types include: I beam, tubular, C channels
- frame materials include: ferrous, non-ferrous
- tools and equipment include: hand tools, power tools, pneumatic tools, shop tools
G-25.02-Repairs frames
G-25.02-Repairs frames
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Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-25.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-25.02.02P |
sand, prep, paint and undercoat frame |
frame is sanded, prepped, painted and undercoated according to manufacturers’ specifications |
| G-25.02.03P |
remove and reattach bolt on frame components |
bolt on frame components are removed and reattached according to manufacturers’ specifications |
| G-25.02.04P |
lubricate frame components |
frame components are lubricated according to manufacturers’ specifications |
| G-25.02.05P |
adjust frame components |
frame components are adjusted according to manufacturers’ specifications |
| G-25.02.06P |
clean frame components |
frame components are cleaned according to manufacturers' specifications |
| G-25.02.07P |
verify frame components repair |
frame components repair is verified according to manufacturers’ specifications |
| G-25.02.08P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: grinders, welders, presses, jacks, hammers, measuring tools, drills, socket wrenches
- components include: outriggers, couplers, jacks, floor mounts, steps, bumpers, pin box
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-25.02.01L |
demonstrate knowledge of frames, their components, characteristics and applications |
identify terminology associated with frames |
| identify causes of rust and corrosion |
| identify types of fasteners, and describe their characteristics and applications |
| identify paints, primers and undercoating materials, and describe their characteristics and applications |
| identify frame types, and describe their components, characteristics and applications |
| identify frame styles, and describe their characteristics and applications |
| identify types, sizes and weight capacities of hitch couplers |
| identify bumper types and attachments, and describe their characteristics and applications |
| identify frame materials, and describe their characteristics and applications |
| G-25.02.02L |
demonstrate knowledge of procedures to repair frames and their components |
identify tools and equipment used to repair frames and their components, and describe their procedures for use |
| describe procedures to repair frames and their components |
Range of variables
- components include: outriggers, couplers, jacks, floor mounts, steps, bumpers, pin box
- frame types include: I beam, tubular, C channels
- frame materials include: ferrous, non-ferrous
- tools and equipment include: grinders, welders, presses, jacks, hammers, measuring tools, drills, socket wrenches
Task G-26 Services running gear
Task descriptor
Running gear is made up of brake systems, suspension and axles. The servicing of running gear is important for safe operation, especially while the RV is in transit.
G-26.01-Maintains running gear
G-26.01-Maintains running gear
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yes |
yes |
yes |
yes |
yes |
ND |
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ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-26.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-26.01.02P |
check tires and wheels |
tires and wheels are checked for faults |
| G-26.01.03P |
adjust brakes |
brakes are adjusted according to manufacturers' specifications |
| G-26.01.04P |
test brakes |
brakes are tested using ammeters to verify current load of magnets according to manufacturers' specifications |
| G-26.01.05P |
bleed and flush hydraulic trailer brakes |
hydraulic trailer brakes are bled and flushed to remove air in system or contaminants |
| G-26.01.06P |
clean and lubricate moving parts on brake assemblies |
moving parts on brake assemblies are cleaned and lubricated according to manufacturers’ specifications |
| G-26.01.07P |
inspect running gear components for wear |
running gear components are inspected for wear according to manufacturers' specifications |
| G-26.01.08P |
clean and repack bearings, and replace grease seals |
bearings are cleaned, and repacked, and grease seals are replaced |
| G-26.01.09P |
measure brakes for excessive wear |
brakes are measured for excessive wear using measuring tools |
| G-26.01.10P |
inspect bushings for movement |
bushings are inspected for movement |
| G-26.01.11P |
lubricate bushings |
bushings are lubricated according to bushing type and manufacturers’ specifications |
| G-26.01.12P |
torque wheel nuts |
wheel nuts are torqued according to manufacturers’ specifications |
| G-26.01.13P |
torque suspension bolts |
suspension bolts are torqued according to manufacturers' specifications |
| G-26.01.14P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: multimeters, hand tools, power tools, measuring tools, pneumatic tools
- faults include: wear, corrosion, low pressure, rim damage, wheel nuts, overheating, contamination
- components include: axles, bushings, hangers, equalizers, shocks, springs, bolts, shackles, brake assemblies, wheels, tires, bearings
- wear includes: rust spots, chipping, burnt spots, metal stretching, cracks, spindle damage, worn bearings
- brakes include: drums, shoes, rotors, pads
- measuring tools include: micrometers, calipers
- suspension bolts include: shackle bolts and nuts, U-bolts and nuts
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-26.01.01L |
demonstrate knowledge of running gear, their components, characteristics and applications |
identify terminology associated with running gear |
| identify components, and describe their characteristics and applications |
| identify tire types, pressures and load ranges |
| identify torque specifications |
| describe signs of wheel damage, bearing wear and overheating |
| identify axle and spring capacities |
| identify wheel alignment specifications and describe their characteristics |
| identify types of axle suspension, and describe their characteristics and applications |
| describe trailer brake wiring circuits |
| identify location and describe function of break-away switches |
| identify brake systems, and describe their characteristics and applications |
| G-26.01.02L |
demonstrate knowledge of procedures to maintain running gear |
identify tools and equipment used to maintain running gear, and describe their procedures for use |
| describe procedures and service schedules to maintain running gear |
| describe procedures to check for tire pressure, wear and alignment |
Range of variables
- components include: axles, bushings, hangers, equalizers, shocks, springs, bolts, shackles, brake assemblies, wheels, tires, bearings
- wheel alignment specifications include: camber, caster, toe
- types of axle suspension include: steel spring, torsion, air ride
- brake systems include: electric, hydraulic, electric over hydraulic
- tools and equipment include: multimeters, hand tools, power tools, measuring tools, pneumatic tools
G-26.02-Repairs running gear
G-26.02-Repairs running gear
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PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
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NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-26.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to job task |
| G-26.02.02P |
repair or replace tires |
tires are repaired or replaced according to manufacturers’ specifications |
| G-26.02.03P |
replace damaged brake parts |
damaged brake parts are replaced according to manufacturers’ specifications |
| G-26.02.04P |
bleed and flush hydraulic trailer brakes |
hydraulic trailer brakes are bled and flushed to remove air and contaminants from system |
| G-26.02.05P |
clean and lubricate brake components |
brake components are cleaned and lubricated |
| G-26.02.06P |
service bearings |
bearings are serviced according to manufacturers’ specifications |
| G-26.02.07P |
replace and lubricate bushings |
bushings are replaced and lubricated according to bushing type |
| G-26.02.08P |
adjust brakes |
brakes are adjusted according to manufacturers’ specifications |
| G-26.02.09P |
replace springs |
springs are replaced |
| G-26.02.10P |
verify running gear repair |
running gear repair is verified by checking alignment, torques, air pressure and operation |
| G-26.02.11P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and equipment include: power tools, impact guns, wrenches, sockets, pliers, spring tools, measuring tools, torque wrenches, pressure gauges, hammers, jacks, shop tools
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-26.02.01L |
demonstrate knowledge of running gear, their components, characteristics and applications |
identify terminology associated with running gear |
| identify components, and describe their characteristics and applications |
| identify tire types, pressures and load ranges |
| identify torque specifications |
| describe signs of wheel damage, bearing wear and overheating |
| identify axle and spring capacities |
| identify wheel alignment specifications and describe their characteristics |
| identify types of axle suspension, and describe their characteristics and applications |
| describe trailer brake wiring circuits |
| identify location and describe function of break-away switches |
| identify brake systems, and describe their characteristics and applications |
| identify DC electrical circuits, and describe their characteristics and applications |
| describe use of connectors according to faults |
| identify axle capacities and attached components, and describe their characteristics and applications |
| identify types of lubricants, and describe their characteristics and applications |
| describe bearing wear |
| identify bolt patterns on hubs, and describe their characteristics and applications |
| G-26.02.02L |
demonstrate knowledge of procedures to repair running gear |
identify tools and equipment used to repair running gear, and describe their procedures for use |
| describe procedures to repair running gear |
| identify compatibility of replacement parts |
| describe torque requirements of components |
Range of variables
- components include: axles and saddles, bushings, hangers, equalizers, shocks, springs, bolts, shackles, brake assemblies, wheels, tires
- wheel alignment specifications include: camber, caster, toe
- types of axle suspension include: steel spring, torsion, air ride
- brake systems include: electric, hydraulic, electric over hydraulic
- faults include: moisture, vibration, corrosion
- tools and equipment include: power tools, impact guns, wrenches, sockets, pliers, spring tools, measuring tools, torque wrenches, pressure gauges, hammers, jacks
Task G-27 Services levelling systems
Task descriptor
Levelling systems are used to level the RV or coach when parked and powered electrically, hydraulically or manually. The system is serviced to ensure correct functioning for customer use and comfort.
G-27.01-Maintains levelling systems
G-27.01-Maintains levelling systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-27.01.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| G-27.01.02P |
lubricate levelling system components |
levelling system components are lubricated according to manufacturers’ specifications |
| G-27.01.03P |
check and fill hydraulic fluids |
hydraulic fluids are checked for debris and contaminants, and filled |
| G-27.01.04P |
verify levelling system operation |
levelling system operation is verified |
| G-27.01.05P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: multimeters, load testers, levels, hydraulic pressure gauges, ammeter, shop tools
- components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
- debris and contaminants include: dirt, water, salt, air
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-27.01.01L |
demonstrate knowledge of levelling systems, their components, characteristics and applications |
identify terminology associated with levelling system operation |
| describe levelling system operation |
| identify hydraulic, mechanical and electrical/electronic systems, and describe their characteristics and applications |
| identify levelling systems and describe their components, characteristics and applications |
| identify DC systems, and describe their characteristics and applications |
| G-27.01.02L |
demonstrate knowledge of procedures to maintain levelling systems |
identify tools and testing equipment used to maintain levelling systems, and describe their procedures for use |
| describe procedures to maintain levelling systems |
Range of variables
- levelling systems include: manual, electrical, hydraulic
- components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
- tools and testing equipment include: multimeters, load testers, levels, hydraulic pressure gauges, ammeter, shop tools
G-27.02-Repairs levelling systems
G-27.02-Repairs levelling systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-27.02.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| G-27.02.02P |
replace or repair electrical wiring and connections |
electrical wiring and connections are replaced or repaired |
| G-27.02.03P |
drain and flush hydraulic fluid reservoirs |
hydraulic fluid reservoirs are drained and flushed |
| G-27.02.04P |
fill hydraulic fluid |
hydraulic fluid is filled according to manufacturers’ specifications |
| G-27.02.05P |
bleed hydraulic lines |
hydraulic lines are bled to remove air |
| G-27.02.06P |
replace and repair levelling system components |
levelling system components are replaced and repaired according to manufacturers’ specifications |
| G-27.02.07P |
calibrate automatic levelling controls |
automatic levelling controls are calibrated according to manufacturers’ specifications |
| G-27.02.08P |
repair hydraulic system leaks |
hydraulic system leaks are repaired by replacing seals, hoses, fittings or cylinders |
| G-27.02.09P |
verify repair of levelling system |
repair is verified by testing levelling system operation |
| G-27.02.10P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment: include: multimeters, hand tools, power tools, levels, ammeter, shop tools
- repairs include: soldering, crimping
- components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-27.02.01L |
demonstrate knowledge of levelling systems, their components, characteristics and applications |
identify terminology associated with levelling system operation |
| describe levelling system operation |
| identify hydraulic, mechanical and electrical/electronic systems, and describe their characteristics and applications |
| identify levelling systems,and describe their components, characteristics and applications |
| identify DC systems, and describe their characteristics and applications |
| G-27.02.02L |
demonstrate knowledge of procedures to repair levelling systems |
identify tools and testing equipment used to repair levelling systems, and describe their procedures for use |
| describe procedures to repair levelling systems |
Range of variables
- components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
- tools and testing equipment: include: multimeters, hand tools, power tools, levels, ammeter, shop tools
G-27.03-Installs levelling systems
G-27.03-Installs levelling systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-27.03.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| G-27.03.02P |
ensure levelling system is compatible with vehicle |
levelling system is compatible with vehicle according to manufacturers’ specifications |
| G-27.03.03P |
prepare location for levelling system components |
location for levelling system components is prepared by moving other RV components or building or installing mounts |
| G-27.03.04P |
position and secure levelling system components |
levelling system components are positioned and secured according to manufacturers’ specifications |
| G-27.03.05P |
route and connect electrical wiring and hydraulic hoses |
electrical wiring and hydraulic hoses are routed and connected considering factors and according to manufacturers’ installation instructions |
| G-27.03.06P |
verify levelling system operation |
levelling system operation is verified |
| G-27.03.07P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: hand tools, power tools, pneumatic tools, levels, multimeters, shop tools
- components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
- factors include: pinch points, heat, secure mounting, wiring, hose routing
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-27.03.01L |
demonstrate knowledge of levelling systems, their characteristics and applications |
identify terminology associated with levelling system operation |
| describe levelling system operation |
| identify hydraulic, mechanical and electrical/electronic systems, and describe their characteristics and applications |
| identify levelling system components, and describe their characteristics and applications |
| identify DC systems, and describe their characteristics and applications |
| G-27.03.02L |
demonstrate knowledge of procedures to install levelling systems and components |
identify tools and testing equipment used to install levelling systems and components, and describe their procedures for use |
| describe procedures to install levelling systems and components |
| identify system tolerances, and describe their characteristics and applications |
| identify proposed location for levelling system components |
Range of variables
- components include: switches, seals, fittings, cylinders, hoses, hydraulic pumps, electric solenoids, hydraulic and electric jacks, controls and sensors
- tools and testing equipment include: hand tools, power tools, pneumatic tools, levels, multimeters, shop tools
- system tolerances include: ground clearances, weight capacities, jack range of travel
Task G-28 Services slide-out systems
Task descriptor
Slide-out systems are designed to give the customer more space inside their RV. Because most RVs have slide-out systems, it is important for RV service technicians to be knowledgeable in maintaining and repairing the different types and their operation.
G-28.01-Maintains slide-out systems
G-28.01-Maintains slide-out systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-28.01.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| G-28.01.02P |
check electrical source |
electrical source is checked for specified DC voltage and amperage |
| G-28.01.03P |
inspect wiring connections, gauge and routing |
wiring connections, gauge and routing are inspected for functionality |
| G-28.01.04P |
verify slide-out system operation |
slide-out system operation is verified for alignment, gap, full extension and retraction |
| G-28.01.05P |
lubricate mechanical components |
mechanical components are lubricated according to manufacturers’ specifications |
| G-28.01.06P |
check hydraulic system components |
hydraulic system components are checked for leaks using methods |
| G-28.01.07P |
check, fill and inspect hydraulic fluid level |
hydraulic fluid level is checked, filled and visually inspected for debris and contaminants |
| G-28.01.08P |
check, clean and condition seals and sweeps |
seals and sweeps are checked for faults, cleaned and conditioned |
| G-28.01.09P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: multimeters, load tester, hand tools, power tools
- mechanical components include: cables, gears, pulleys, tubes and rollers
- hydraulic system components include: hoses, fittings, cylinders, reservoirs, pumps
- methods include: visual inspection, hydraulic pressure gauges
- debris and contaminants include: dirt, water, air
- faults include: fit, cracks, tears, adhesion, corrosion, impacts, wear
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-28.01.01L |
demonstrate knowledge of slide-out systems, their characteristics and applications |
identify terminology associated with slide-out systems |
| identify types of slide-out systems, and describe their characteristics and applications |
| identify electrical/electronic components, and describe their characteristics and applications |
| identify mechanical components, and describe their characteristics and applications |
| identify hydraulic components, and describe their characteristics and applications |
| describe operation of slide-out systems |
| G-28.01.02L |
demonstrate knowledge of procedures to maintain slide-out systems |
identify tools and testing equipment used to maintain slide-out systems, and describe their procedures for use |
| describe procedures and service schedules to maintain slide-out systems |
| describe procedures for checking power supply |
Range of variables
- types of slide-out systems include: hydraulic, through-frame, in-wall, cable, manual
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, sensors, connectors
- mechanical components include: cables, gears, pulleys, tubes and rollers
- hydraulic components include: hoses, fittings, cylinders, reservoirs, pumps
- tools and testing equipment include: multimeters, load tester, hand tools, power tools
G-28.02-Repairs slide-out systems
G-28.02-Repairs slide-out systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-28.02.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| G-28.02.02P |
replace and repair electrical wiring and connections |
electrical wiring and connections are replaced and repaired |
| G-28.02.03P |
re-align slide-out system |
slide-out system is re-aligned to installation tolerances |
| G-28.02.04P |
lubricate mechanical components |
mechanical components are lubricated according to manufacturers’ specifications |
| G-28.02.05P |
fill hydraulic fluid |
hydraulic fluid is filled according to manufacturers’ specifications |
| G-28.02.06P |
drain and flush hydraulic fluid reservoirs |
hydraulic fluid reservoirs are drained and flushed to remove contaminants |
| G-28.02.07P |
repair hydraulic system leaks |
hydraulic system leaks are repaired by replacing seals, hoses, fittings and cylinders |
| G-28.02.08P |
bleed hydraulic lines |
hydraulic lines are bled to remove air |
| G-28.02.09P |
route and crimp cables |
cables are routed and crimped according to slide-out system tolerances |
| G-28.02.10P |
replace electrical/electronic, mechanical, and hydraulic components |
electrical/electronic, mechanical, and hydraulic components are replaced according to manufacturers’ specifications |
| G-28.02.11P |
remove and replace slide-out system |
slide-out system is removed and replaced according to manufacturers’ specifications |
| G-28.02.12P |
verify repair of slide-out system |
repair is verified by testing slide-out system operation |
| G-28.02.13P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: multimeters, hand tools, power tools, lifting tables, shop tools
- repairs include: soldering, crimping, cleaning
- mechanical components include: cables, gears, pulleys, tubes and rollers
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, sensors, connectors
- hydraulic components include: hoses, fittings, cylinders, reservoirs, pumps
- slide-out systems include: hydraulic, through-frame, in-wall, cable, manual
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-28.02.01L |
demonstrate knowledge of slide-out systems, their characteristics and applications |
identify terminology associated with slide-out systems |
| identify slide-out systems, and describe their characteristics and applications |
| identify electrical/electronic components, and describe their characteristics and applications |
| identify mechanical components, and describe their characteristics and applications |
| identify hydraulic components, and describe their characteristics and applications |
| describe operation of slide-out systems |
| G-28.02.02L |
demonstrate knowledge of procedures to repair slide-out systems |
identify tools and testing equipment used to repair slide-out systems, and describe their procedures for use |
| describe procedures to repair slide-out systems |
Range of variables
- slide-out systems include: hydraulic, through-frame, in-wall, cable, manual
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, sensors, connectors
- mechanical components include: cables, gears, pulleys, tubes and rollers
- hydraulic components include: hoses, fittings, cylinders, reservoirs, pumps
- tools and testing equipment include: multimeters, hand tools, power tools, lifting tables, shop tools
Task G-29 Services lifting systems
Task descriptor
Lifting systems are designed to give the customer more space inside specific styles of RVs. Some examples are lifting/lowering the roof of the RV or lifting/lowering beds or platforms. It is important for RV service technicians to be knowledgeable about servicing the different types and their operation.
G-29.01-Maintains lifting systems
G-29.01-Maintains lifting systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-29.01.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| G-29.01.02P |
check electrical source |
electrical source is checked for specified DC voltage and amperage |
| G-29.01.03P |
inspect wiring connections, gauge and routing |
wiring connections, gauge and routing are inspected for functionality |
| G-29.01.04P |
verify lifting system operation |
lifting system operation is verified for alignment, full extension and retraction |
| G-29.01.05P |
lubricate mechanical components |
mechanical components are lubricated according to manufacturers’ specifications |
| G-29.01.06P |
check, clean and condition seals and sweeps |
seals and sweeps are checked for faults, cleaned and conditioned |
| G-29.01.07P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: multimeters, load tester, hand tools, power tools, shop tools
- mechanical components include: cables, gears, pulleys, spring assemblies, tubes and rollers
- faults include: fit, cracks, tears, adhesion, corrosion, impacts, wear
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-29.01.01L |
demonstrate knowledge of lifting systems, their characteristics and applications |
identify terminology associated with lifting systems |
| identify lifting systems, and describe their characteristics and applications |
| identify electrical/electronic components, and describe their characteristics and applications |
| identify mechanical components, and describe their characteristics and applications |
| describe operation of lifting systems |
| G-29.01.02L |
demonstrate knowledge of procedures to maintain lifting systems |
identify tools and testing equipment used to maintain lifting systems, and describe their procedures for use |
| describe procedures and service schedules to maintain lifting systems |
Range of variables
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, sensors, connectors
- mechanical components include: cables, gears, pulleys, spring assemblies, tubes and rollers
- tools and testing equipment include: multimeters, load tester, hand tools, power tools, shop tools
G-29.02-Repairs lifting systems
G-29.02-Repairs lifting systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
yes |
yes |
yes |
yes |
yes |
yes |
ND |
NV |
ND |
Skills
| Reference code |
Performance Criteria |
Evidence of Attainment |
| G-29.02.01P |
select and use tools and testing equipment |
tools and testing equipment are selected and used according to job task |
| G-29.02.02P |
replace and repair electrical wiring and connections |
electrical wiring and connections are replaced and repaired |
| G-29.02.03P |
re-align lifting system |
lifting system is re-aligned according to manufacturers’ specifications |
| G-29.02.04P |
lubricate mechanical components |
mechanical components are lubricated according to manufacturers’ specifications |
| G-29.02.05P |
route and crimp cables |
cables are routed and crimped according to lifting system tolerances |
| G-29.02.06P |
replace electrical/electronic and mechanical components |
electrical/electronic and mechanical components arereplaced according to manufacturers’ specifications |
| G-29.02.07P |
verify repair of lifting system |
repair is verified by testing lifting system operation |
| G-29.02.08P |
document work |
work is documented according to company policies and procedures |
Range of variables
- tools and testing equipment include: multimeters, hand tools, power tools
- repairs include: soldering, crimping
- mechanical components include: winches, gears, cranks, cables, guide tubes, spring assemblies
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, sensors, connectors
Knowledge
| Reference code |
Learning Outcomes |
Learning Objectives |
| G-29.02.01L |
demonstrate knowledge of lifting systems, their characteristics and applications |
identify terminology associated with lifting systems |
| identify lifting systems, and describe their characteristics and applications |
| identify electrical/electronic components, and describe their characteristics and applications |
| identify mechanical components, and describe their characteristics and applications |
| describe operation of lifting systems |
| G-29.02.02L |
demonstrate knowledge of procedures to repair lifting system |
identify tools and testing equipment used to repair lifting systems, and describe their procedures for use |
| describe procedures to repair lifting systems |
Range of variables
- electrical/electronic components include: solenoids, relays, control boards, motors, switches, wiring, sensors, connectors
- mechanical components include: winches, gears, cranks, cables, guide tubes, spring assemblies
- tools and testing equipment include: multimeters, hand tools, power tools