Table of contents
Task C-8 Diagnoses drive trains
Task descriptor
The drive train of agricultural equipment consists of components that transfer power from the engine to the driven components in the form of motion. The drive train allows for different speeds and directions.
The agricultural equipment technician performs a diagnostic analysis to identify the cause of failure to the drive train and its components.
C-8.01 Diagnoses dry clutches
C-8.01 Diagnoses dry clutches
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.01.01P |
identify symptoms of problem |
symptoms of problem are identified by consulting with customer or operator |
| C-8.01.02P |
operate equipment |
equipment is operated to test clutch operation for faults |
| C-8.01.03P |
perform sensory inspections |
sensory inspections are performed to identify faults |
| C-8.01.04P |
select and use diagnostic tools and equipment |
diagnostic tools and equipment are selected and used according to application and manufacturers’ procedures |
| C-8.01.05P |
determine required actions |
required actions are determined |
Range of variables
- symptoms of problem include: failure to drive, sluggish operation, slippage, failure to release, noise
- faults (detected while operating equipment) include: slipping, dragging, failure to release, failure to drive
- faults (detected while conducting sensory inspections) include: wear, adjustment, abnormal noises, odour, clutch dust
- diagnostic tools and equipment include: temperature measuring devices, linear measuring devices, stethoscope, feeler gauges, gauge blocks, dial indicators, straightedges
- required actions include: repairs, component replacement, adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.01.01L |
demonstrate knowledge of dry clutches, their components, characteristics, applications and operation |
identify types of dry clutches and their components, and describe their characteristics, applications and operation |
| C-8.01.02L |
demonstrate knowledge of diagnosing dry clutches |
identify diagnostic tools and equipment used to diagnose dry clutches, and describe their applications and procedures for use |
| describe procedures to diagnose dry clutches |
| identify hazards and describe safe work practices while diagnosing dry clutches |
| identify possible faults found while operating equipment |
| identify possible faults found while conducting sensory inspections |
| C-8.01.03L |
demonstrate knowledge of regulatory requirements pertaining to hazardous materials |
identify and interpret regulations pertaining to hazardous materials |
Range of variables
- components include: release bearings, pilot bearings, clutch discs, pressure plate, flywheel, diaphragm, fingers, springs, primary and secondary cylinders, linkages, cross-shafts, clutch pedal or lever
- types of dry clutches include: push to release, pull to release, single stage, dual stage, independent, slip, sprag, over-centre
- diagnostic tools and equipment include: temperature measuring devices, linear measuring devices, stethoscope, feeler gauges, gauge blocks, dial indicators, straightedges
- hazards include: asbestos potential, unexpected motion, clutch dust
- faults (detected while operating equipment) include: slipping, dragging, failure to release, failure to drive
- faults (detected while conducting sensory inspections) include: wear, adjustment, abnormal noises, odour, clutch dust
C-8.02 Diagnoses driveline systems and components
C-8.02 Diagnoses driveline systems and components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.02.01P |
identify symptoms of problem |
symptoms of problem are identified by consulting with customer or operator |
| C-8.02.02P |
operate equipment |
equipment is operated to test driveline systems for faults |
| C-8.02.03P |
select and use diagnostic tools and equipment |
diagnostic tools and equipment are selected and used according to application and manufacturers’ procedures |
| C-8.02.04P |
perform sensory inspection on components to identify faults |
sensory inspection is performed on components to identify faults |
| C-8.02.05P |
determine required actions |
required actions are determined |
Range of variables
- symptoms of problem include: vibrations, noise, failure to drive, excessive load, overheating
- faults (detected while operating equipment) include: slipping, vibration, abnormal noises
- diagnostic tools and equipment include: temperature measuring devices, stethoscope, linear measuring devices, dial indicators, spring scale, torque measuring device, angle meters, laser alignment tools, feeler gauges
- components include: torque plate, drive shafts, universal joints, sliding couplers, steady bearings (hanger bearings), chains, sprockets, gears, gear boxes, pitman arm, belts, sheaves (fixed, variable), slip clutches, overrunning clutches, tensioners, shielding
- faults (detected while conducting sensory inspection) include: misalignment of driveline components, improper driveline angles, odour, excessive play, breakage, wear, bearing temperature
- required actions include: repairs, component replacement, adjustments, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.02.01L |
demonstrate knowledge of driveline systems, their components, characteristics, applications and operation |
identify driveline systems and their components, and describe their characteristics, applications and operation |
| C-8.02.02L |
demonstrate knowledge of diagnosing driveline systems and their components |
identify diagnostic tools and equipment used to diagnose driveline systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose driveline systems and their components |
| identify hazards and describe safe work practices while diagnosing driveline systems and their components |
| identify possible faults found while operating equipment |
| identify possible faults found while conducting sensory inspections |
| identify gear wear patterns |
| C-8.02.03L |
demonstrate knowledge of regulatory requirements pertaining to driveline systems |
identify and interpret regulations pertaining to driveline systems |
Range of variables
- driveline systems include: belt drive, chain drive, shaft drive, gear drive, pitman drive
- components include: torque plate, drive shafts, universal joints, sliding couplers, steady bearings (hanger bearings), chains, sprockets, gears, gear boxes, pitman arm, belts, sheaves (fixed, variable), slip clutches, overrunning clutches, tensioners, shielding
- diagnostic tools and equipment include: temperature measuring devices, stethoscope, linear measuring devices, dial indicators, spring scale, torque measuring device, angle meters, laser alignment tools, feeler gauges
- hazards include: entanglement, pinching, crushing
- faults (detected while operating equipment) include: slipping, vibration, abnormal noises
- faults (detected while conducting sensory inspection) include: misalignment of driveline components, improper driveline angles, odour, excessive play, breakage, wear, bearing temperature
C-8.03 Diagnoses wet clutches, transmissions and gear cases
C-8.03 Diagnoses wet clutches, transmissions and gear cases
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.03.01P |
identify symptoms of problem |
symptoms of problem are identified by consulting with customer or operator |
| C-8.03.02P |
operate equipment to identify probable causes of symptoms |
equipment is operated to identify probable causes of symptoms |
| C-8.03.03P |
operate equipment to test wet clutches, transmissions and gear cases for faults |
equipment is operated to test wet clutches, transmissions and gear cases for faults |
| C-8.03.04P |
select and use diagnostic tools and equipment |
diagnostic tools and equipment are selected and used according to application |
| C-8.03.05P |
perform diagnostic checks |
diagnostic checks are performed |
| C-8.03.06P |
disassemble wet clutches, transmissions and gear cases to determine probable causes of failure |
wet clutches, transmissions and gear cases are disassembled to determine probable causes of failure |
| C-8.03.07P |
determine required actions |
required actions are determined |
Range of variables
- symptoms of problem include: vibrations, noise, failure to drive, excessive load, overheating, harsh engagement, oil contamination, filter plugging, failure to calibrate
- faults (detected while operating equipment) include: slipping, vibration, abnormal noise, engagement quality, error codes, defaulting to neutral, manual shifting issues, abnormal crown and pinion wear, failure to calibrate
- diagnostic tools and equipment include: temperature measuring devices, stethoscope, thickness measurement tools, dial indicators, feeler gauges, flow measuring devices, pressure measuring devices, multimeters, electronic service tools, onboard diagnostics
- diagnostic checks include: calibration, pressure checks, electrical tests, service codes, synchronizer tests, flow tests
- probable causes of failure include: internal leaks, factory defects, damaged piston seals or sealing rings, overloading, aftermarket modifications of horsepower, oil contamination, mechanical failures
- required actions include: repairs, adjustments, software installation and updates, component replacement, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.03.01L |
demonstrate knowledge of wet clutches, transmissions and gear cases, their components, characteristics, applications and operation |
identify types of wet clutches and their components, and describe their characteristics, applications and operation |
| identify types of transmissions and describe their characteristics, applications and operation |
| identify types of gears and describe their characteristics, applications and operation |
| identify types of gear cases and describe their characteristics, applications and operation |
| identify transmission and gear case components, and describe their characteristics, applications and operation |
| C-8.03.02L |
demonstrate knowledge of diagnosing wet clutches, transmissions and gear cases |
identify diagnostic tools and equipment used to diagnose wet clutches, transmissions and gear cases, and describe their applications and procedures for use |
| describe procedures to diagnose wet clutches, transmissions and gear cases |
| identify hazards and describe safe work practices while diagnosing wet clutches, transmissions and gear cases |
| identify diagnostic checks performed to diagnose wet clutches, transmissions and gear cases |
| identify possible faults found in wet clutches, transmissions and gear cases while operating equipment |
| identify probable causes of failure in wet clutches, transmissions and gear cases |
Range of variables
- components (wet clutches) include: pistons, seals, carriers, discs, plates, O-rings, springs, hubs, bearings, oil distribution manifolds
- types of wet clutches include: hydraulically-applied/spring-released, spring-applied/hydraulically-released
- types of transmissions include: manual shift, power shift, infinitely variable, hydraulic and hydrostatic systems
- types of gears include: bevel, helical, straight, planetary, spur, worm-and-wheel, rack and pinion
- types of gear cases include: reduction, planetary, directional change, angle drives (90 degree and various other angles), power distribution for multiple systems
- transmission and gear case components include: seals, bearings (axial, radial, ball, tapered, needle), races, gears, shafts, housings, shims, bushings, snap rings, shift collars, springs, detents, balls, cooling and lubrication nozzles, carriers, shift mechanisms, shift valves, clutch packs, brake packs, interlocks, overrunning clutches
- diagnostic tools and equipment include: temperature measuring devices, stethoscope, thickness measurement tools, dial indicators, feeler gauges, flow measuring devices, pressure measuring devices, multimeters, electronic service tools, onboard diagnostics
- hazards include: entanglement, pinching, crushing, sudden movements, oil injection potential
- diagnostic checks include: calibration, pressure checks, electrical tests, service codes, synchronizer tests, flow tests
- faults (detected while operating equipment) include: slipping, vibration, abnormal noise, engagement quality, error codes, defaulting to neutral, manual shifting issues, abnormal crown and pinion wear, failure to calibrate
- probable causes of failure include: internal leaks, factory defects, damaged piston seals or sealing rings, overloading, aftermarket modifications of horsepower, oil contamination, mechanical failures
C-8.04 Diagnoses differentials and final drives
C-8.04 Diagnoses differentials and final drives
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
NV |
NV |
ND |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| C-8.04.01P |
identify symptoms of problem |
symptoms of problem are identified by consulting with customer or operator |
| C-8.04.02P |
operate equipment to test differentials and final drives for faults |
equipment is operated to test differentials and final drives for faults |
| C-8.04.03P |
perform sensory inspections to identify faults |
sensory inspections are performed to identify faults |
| C-8.04.04P |
select and use diagnostic tools and equipment |
diagnostic tools and equipment are selected and used according to application and manufacturers’ procedures |
| C-8.04.05P |
determine required actions |
required actions are determined |
Range of variables
- symptoms of problem include: vibrations, abnormal noises, failure to drive, failure to allow differential action, leaks, overheating, odours
- faults include: wear, oil contamination, abnormal odours, mechanical failures (bearings, seals, gears, shafts, housings), abnormal crown and pinion wear
- diagnostic tools and equipment include: pressure gauges, jacks, dial indicators, borescope, temperature measuring devices
- required actions include: repairs, component replacement, adjustments, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-8.04.01L |
demonstrate knowledge of differential systems, their components, characteristics, applications and operation |
identify types of differential systems and their components, and describe their characteristics, applications and operation |
| describe differential locking systems |
| C-8.04.02L |
demonstrate knowledge of final drives, their components, characteristics, applications and operation |
identify types of final drives and their components, and describe their characteristics, applications and operation |
| C-8.04.03L |
demonstrate knowledge of diagnosing differentials and final drives |
identify diagnostic tools and equipment used to diagnose differentials and final drives, and describe their applications and procedures for use |
| describe procedures to diagnose differentials and final drives |
| identify hazards and describe safe work practices while diagnosing differentials and final drives |
| identify inspections performed to diagnose differentials and final drives |
| identify possible faults found while performing inspections |
| identify possible symptoms of problem found while operating equipment |
Range of variables
- components (differential systems) include: bearings, bevel pinions, shims, gear set, bushings, seals, carriers, thrust washers, shafts, pistons, springs, clutch packs, brake packs, mechanical locks
- types of differential systems include: open differential, locking, limited slip
- components (final drives) include: gears, bearings, shafts, seals, shims, axles, housings, gaskets, O-rings, universal joints, ball joints, fasteners, bearing adjusters, chains, sprockets, chain tension adjusters
- types of final drives include: inboard planetary, outboard planetary, bull-and-pinion (ring-and-pinion), chain-driven, angle drives (90 degree and various other angles)
- diagnostic tools and equipment include: pressure gauges, jacks, dial indicators, borescope, temperature measuring devices
- hazards include: entanglement, pinching, crushing, sudden movements, oil injection potential
- faults include: wear, oil contamination, abnormal odours, mechanical failures (bearings, seals, gears, shafts, housings), abnormal crown and pinion wear
- symptoms of problem include: vibrations, abnormal noises, failure to drive, failure to allow differential action, leaks, overheating, odours
Task C-9 Repairs drive trains
Task descriptor
Agricultural equipment technicians repair drive trains by removing, reconditioning, replacing, installing and adjusting various components of the equipment.
C-9.01 Repairs dry clutches
C-9.01 Repairs dry clutches
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
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 application and manufacturers’ procedures |
| C-9.01.02P |
remove components for access |
components are removed for access |
| C-9.01.03P |
remove, disassemble and inspect components |
components are removed, disassembled and inspected to determine if they should be replaced, or reconditioned and reused according to manufacturers’ specifications and procedures |
| C-9.01.04P |
replace failed components |
failed components are replaced |
| C-9.01.05P |
assemble, install and align clutches |
clutches are assembled, installed and aligned according to manufacturers’ specifications and procedures |
| C-9.01.06P |
reinstall components removed for access |
components removed for access are reinstalled |
Range of variables
- tools and equipment include: floor jacks, safety stands, specialized splitting stand, measuring tools, alignment tools, gauge blocks, feeler gauges, wedge blocks, bearing removal and installation tools, seal installers
- components (removed for access) include: cab, panels, fuel tanks, tilting cabs, loaders, loader frames
- components include: release bearings, pilot bearings, clutch discs, pressure plate, flywheel, diaphragm, fingers, springs, primary and secondary cylinders, linkages, cross-shafts, clutch pedal or lever
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.01.01L |
demonstrate knowledge of dry clutches, their components, characteristics, applications and operation |
identify types of dry clutches and their components, and describe their characteristics, applications and operation |
| C-9.01.02L |
demonstrate knowledge of repairing dry clutches |
identify tools and equipment used to repair dry clutches, and describe their applications and procedures for use |
| describe procedures to disassemble, inspect and reassemble equipment |
| describe procedures to repair, replace, assemble, install and align dry clutches and their components |
| identify hazards and safe work practices while performing repairs |
| C-9.01.03L |
demonstrate knowledge of regulatory requirements pertaining to dry clutches |
identify and interpret regulations pertaining to dry clutches |
Range of variables
- components include: release bearings, pilot bearings, clutch discs, pressure plate, flywheel, diaphragm, fingers, springs, primary and secondary cylinders, linkages, cross-shafts, clutch pedal or lever
- types of dry clutches include: push to release, pull to release, single stage, dual stage, independent, slip, sprag, over-centre
- tools and equipment include: floor jacks, safety stands, specialized splitting stand, measuring tools, alignment tools, gauge blocks, feeler gauges, wedge blocks, bearing removal and installation tools, seal installers
- hazards include: asbestos potential, unexpected motion
C-9.02 Repairs driveline systems and components
C-9.02 Repairs driveline systems and components
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
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 application and manufacturers’ procedures |
| C-9.02.02P |
remove components for access |
components are removed for access |
| C-9.02.03P |
remove, disassemble and inspect components |
components are removed, disassembled and inspected to determine if they should be replaced, or reconditioned and reused according to manufacturers’ specifications and procedures |
| C-9.02.04P |
replace failed components |
failed components are replaced |
| C-9.02.05P |
align and phase driveline systems and components |
driveline systems and components are aligned and phased |
| C-9.02.06P |
reassemble and reinstall components |
components are reassembled and reinstalled according to manufacturers’ specifications and procedures |
| C-9.02.07P |
reinstall components removed for access |
components removed for access are reinstalled |
Range of variables
- tools and equipment include: floor jacks and other lifting devices, safety stands, pullers, installation tools, linear measuring devices, dial indicators, spring scale, torque measuring device, angle meters, laser alignment tools, feeler gauges
- components (removed for access) include: safety shields, covers, anti-wrap shields
- components include: torque plate, drive shafts, universal joints, sliding couplers, steady bearings (hanger bearings), chains, sprockets, gears, gear boxes, pitman arm, belts, sheaves (fixed, variable), slip clutches, overrunning clutches, tensioners, shielding, drive shaft safety restraints
- driveline systems include: belt drive, chain drive, shaft drive, gear drive, pitman drive
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.02.01L |
demonstrate knowledge of driveline systems, their components, characteristics, applications and operation |
identify driveline systems and their components, and describe their characteristics, applications and operation |
| C-9.02.02L |
demonstrate knowledge of repairing driveline systems and their components |
identify tools and equipment used to repair driveline systems and their components, and describe their applications and procedures for use |
| describe procedures to disassemble, inspect and reassemble components |
| describe procedures to repair, replace, install, align and phase driveline systems and their components |
| identify hazards and safe work practices while performing repairs |
| C-9.02.03L |
demonstrate knowledge of regulatory requirements pertaining to driveline systems |
identify and interpret regulations pertaining to driveline systems |
Range of variables
- driveline systems include: belt drive, chain drive, shaft drive, gear drive, pitman drive
- components include: torque plate, drive shafts, universal joints, sliding couplers, steady bearings (hanger bearings), chains, sprockets, gears, gear boxes, pitman arm, belts, sheaves (fixed, variable), slip clutches, overrunning clutches, tensioners, shielding, drive shaft safety restraints
- tools and equipment include: floor jacks and other lifting devices, safety stands, pullers, installation tools, linear measuring devices, dial indicators, spring scale, torque measuring device, angle meters, laser alignment tools, feeler gauges
- hazards include: entanglement, pinching, crushing
C-9.03 Repairs wet clutches, transmissions and gear cases
C-9.03 Repairs wet clutches, transmissions and gear cases
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
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 application |
| C-9.03.02P |
remove components for access |
components are removed for access |
| C-9.03.03P |
remove, disassemble and inspect wet clutch, transmission and gear case components |
wet clutch, transmission and gear case components are removed, disassembled and inspected to determine if they should be replaced, or reconditioned and reused according to manufacturers’ specifications and procedures |
| C-9.03.04P |
perform repair, reconditioning and replacement of wet clutch, transmission and gear case components |
wet clutch, transmission and gear case components are repaired, reconditioned and replaced according to manufacturers’ specifications and procedures |
| C-9.03.05P |
reassemble and reinstall wet clutch, transmission and gear case components |
wet clutch, transmission and gear case components are reassembled and reinstalled according to manufacturers’ specifications and procedures |
| C-9.03.06P |
reinstall components removed for access |
components removed for access are reinstalled |
| C-9.03.07P |
calibrate wet clutches, transmission and gear cases |
wet clutches, transmission and gear cases are calibrated according to manufacturers’ specifications and procedures |
Range of variables
- tools and equipment include: floor jacks and other lifting devices, safety stands, specialized tools, transmission support stand
- components (removed for access) include: cab, axle housings, wheels, panels, fuel tanks, tilting cabs, operator protective structures
- components (wet clutches) include: pistons, seals, carriers, discs, plates, O-rings, springs, hubs, bearings, oil distribution manifolds
- transmission and gear case components include: seals, bearings (axial, radial, ball, tapered, needle), races, gears, shafts, housings, shims, bushings, snap rings, shift collars, springs, detents, balls, cooling and lubrication nozzles, carriers, shift mechanisms, shift valves, clutch packs, brake packs, interlocks, overrunning clutches
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.03.01L |
demonstrate knowledge of wet clutches, transmissions and gear cases, their components, characteristics, applications and operation |
identify types of wet clutches and their components, and describe their characteristics, applications and operation |
| identify types of transmissions and describe their characteristics, applications and operation |
| identify types of gears and describe their characteristics, applications and operation |
| identify types of gear cases and describe their characteristics, applications and operation |
| C-9.03.02L |
demonstrate knowledge of repairing wet clutches, transmissions and gear cases |
identify tools and equipment used to repair wet clutches, transmissions and gear cases, and describe their applications and procedures for use |
| describe procedures to disassemble, inspect and reassemble wet clutches, transmissions and gear cases |
| describe procedures to repair, replace, install and align wet clutches, transmissions and gear cases |
| identify hazards and safe work practices while performing repairs |
Range of variables
- components (wet clutches) include: pistons, seals, carriers, discs, plates, O-rings, springs, hubs, bearings, oil distribution manifolds
- transmission and gear case components include: seals, bearings (axial, radial, ball, tapered, needle), races, gears, shafts, housings, shims, bushings, snap rings, shift collars, springs, detents, balls, cooling and lubrication nozzles, carriers, shift mechanisms, shift valves, clutch packs, brake packs, interlocks, overrunning clutches
- types of wet clutches include: hydraulically-applied/spring-released, spring-applied/hydraulically-released
- types of transmissions include: manual shift, power shift, infinitely variable, hydraulic and hydrostatic systems
- types of gears include: bevel, helical, straight, planetary, spur, worm-and-wheel, rack and pinion
- types of gear cases include: reduction, planetary, directional change, angle drives (90 degree and various other angles), power distribution for multiple systems
- tools and equipment include: floor jacks and other lifting devices, safety stands, specialized tools, transmission support stand
- hazards include: entanglement, pinching, crushing, sudden movements, oil injection potential
C-9.04 Repairs differentials and final drives
C-9.04 Repairs differentials and final drives
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| NV |
yes |
NV |
NV |
NV |
yes |
yes |
yes |
yes |
ND |
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 application and manufacturers’ procedures |
| C-9.04.02P |
remove components for access |
components are removed for access |
| C-9.04.03P |
remove, disassemble and inspect differential and final drive components |
differential and final drive components are removed, disassembled and inspected to determine if they should be replaced, or reconditioned and reused according to manufacturers’ specifications and procedures |
| C-9.04.04P |
replace failed differential and final drive components |
failed differential and final drive components are replaced according to manufacturers’ specifications and procedures |
| C-9.04.05P |
assemble and install differential and final drive components |
differential and final drive components are assembled and installed according to manufacturers’ specifications and procedures |
| C-9.04.06P |
reinstall components removed for access |
components removed for access are reinstalled |
Range of variables
- tools and equipment include: floor jacks and other lifting devices, safety stands, specialized tools, torque wrenches, dial indicators, feeler gauges, spring scale, pullers, transmission support stand, steering lockout, oscillation locks
- components (removed for access) include: axle housings, wheels, track systems, frame components, cab
- components (differential systems) include: bearings, bevel pinions, shims, gear set, bushings, seals, carriers, thrust washers, shafts, pistons, springs, clutch packs, brake packs, mechanical locks
- components (final drives) include: gears, bearings, shafts, seals, shims, axles, housings, gaskets, O rings, universal joints, ball joints, fasteners, bearing adjusters, chains, sprockets, chain tension adjusters
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| C-9.04.01L |
demonstrate knowledge of differential systems, their components, characteristics, applications and operation |
identify types of differential systems and their components, and describe their characteristics, applications and operation |
| describe differential locking systems |
| C-9.04.02L |
demonstrate knowledge of final drives, their components, characteristics, applications and operation |
identify types of final drives and their components, and describe their characteristics, applications and operation |
| C-9.04.03L |
demonstrate knowledge of repairing differentials, final drives and their components |
identify tools and equipment used to repair differentials, final drives and their components, and describe their applications and procedures for use |
| describe procedures to disassemble and reassemble differentials, final drives and their components |
| describe procedures to repair, replace, adjust and install differentials, final drives and their components |
| identify hazards and safe work practices while performing repairs |
Range of variables
- components (differential systems) include: bearings, bevel pinions, shims, gear set, bushings, seals, carriers, thrust washers, shafts, pistons, springs, clutch packs, brake packs, mechanical locks
- types of differential systems include: open differential, locking, limited slip
- components (final drives) include: gears, bearings, shafts, seals, shims, axles, housings, gaskets, O rings, universal joints, ball joints, fasteners, bearing adjusters, chains, sprockets, chain tension adjusters
- types of final drives include: inboard planetary, outboard planetary, bull-and-pinion (ring-and-pinion), chain-driven, angle drives (90 degree and various other angles)
- tools and equipment include: floor jacks and other lifting devices, safety stands, specialized tools, torque wrenches, dial indicators, feeler gauges, spring scale, pullers, transmission support stand, steering lockout, oscillation locks
- hazards include: entanglement, pinching, crushing, sudden movements, oil injection potential