Major Work Activity C - Maintains wheels and tires
Table of contents
Task C-9 Diagnoses wheels and tires
Task descriptor
Motorcycle technicians diagnose wheels and tires to identify problematic conditions and defects. Proper diagnosis is critical for effective repair.
C-9.01 Diagnoses tires
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-9.01.01P | determine tire conditions | tire conditions are determined by performing sensory inspection and road test, and using precision measuring equipment |
| C-9.01.02P | determine causes of failure | causes of failure are determined according to sensory inspection and prior service records |
| C-9.01.03P | perform checks and measurements | checks and measurements are performed according to manufacturers’ specifications |
| C-9.01.04P | determine servicing procedures | servicing procedures are determined according to jurisdictional safety requirements, and manufacturers’ specifications and procedures |
Range of variables
- tire conditions include: uneven wear, cracks, delamination, bead sealing, under inflation, separated belts, out-of-round, punctures, age/date code
- precision measuring equipment include: tread depth gauge, air pressure gauge
- causes of failure include: overloading, over/under inflating, heavy torqueing/braking
- checks and measurements include: tread depth, tire pressure, balance, tire manufacturer date code
- servicing procedures include: replace tire or tube, balance tire
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-9.01.01L | demonstrate Knowledge of tires and their components, characteristics and applications | identify types of tires, and describe their characteristics and applications |
| identify tire components, and describe their characteristics and applications | ||
| identify tire materials, and describe their characteristics and applications | ||
| identify types of pressure sensors, and describe their characteristics and applications | ||
| identify tire inflation media, and describe their characteristics and applications | ||
| identify and describe manufacturers’ specifications for tires | ||
| C-9.01.02L | demonstrate Knowledge of procedures to diagnose tires | identify precision measuring equipment used to diagnose tires, and describe their procedures for use |
| describe procedures to inspect tires | ||
| describe procedures to diagnose tires | ||
| describe manufacturers’ servicing procedures for tires | ||
| describe workplace practices and procedures |
Range of variables
- tire components include: tube, rim band, rim locks, valve stem
- types of tires include: bias ply, bias belted, radial, tube, tubeless, on and off-road
- tire materials include: rubber compounds, nylon, aramids
- tire inflation media include: air, nitrogen, mousse
- manufacturers’ specifications include: speed rating, load rating, tire size, recommended pressures
- precision measuring equipment include: tread depth gauge, air pressure gauge
- servicing procedures include: replace tire or tube, balance tire
C-9.02 Diagnoses spoked wheels
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-9.02.01P | determine conditions of wheel components | conditions are determined by performing sensory inspection |
| C-9.02.02P | determine radial and lateral run out, and end play | radial and lateral run out, and end play are determined using measuring tools and equipment according to manufacturers’ specifications |
| C-9.02.03P | determine causes of failure | causes of failure are determined according to sensory inspection and service records |
| C-9.02.04P | evaluate ride quality | ride quality is evaluated by performing test ride |
| C-9.02.05P | determine servicing procedures | servicing procedures are determined according to manufacturers’ specifications and procedures |
Range of variables
- conditions include: worn bearings, cracked or deformed rims, damaged hubs, tire valve, missing and broken spokes
- wheel components include: rims, hubs, bearings, spokes, spoke nipples, axles, rim locks, pressure sensors, reluctor, speedometer drive, cush drive, balancing weights
- measuring tools and equipment include: dial gauge, truing stand, spoke torque wrench
- causes of failure include: impact, lack of maintenance, stress, wear
- ride quality includes: stability, vibration, noise, comfort
- servicing procedures are: component replacement or repair
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-9.02.01L | demonstrate Knowledge of spoked wheels and their components, characteristics and applications | identify spoked wheels, and describe their characteristics and applications |
| identify wheel components, and describe their characteristics and applications | ||
| identify wheel materials, and describe their characteristics and applications | ||
| describe structures of spoked wheels | ||
| C-9.02.02L | demonstrate Knowledge of procedures to diagnose spoked wheels | identify tools and equipment used to diagnose spoked wheels, and describe their procedures for use |
| describe procedures to inspect spoked wheels | ||
| describe manufacturers’ procedures to diagnose spoked wheels | ||
| describe workplace practices and procedures |
Range of variables
- wheel components include: rims, hubs, bearings, spokes, spoke nipples, axles, rim locks, pressure sensors, reluctor, speedometer drive, cush drive, balancing weights
- wheel materials include: aluminum, steel
C-9.03 Diagnoses one-piece wheels
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-9.03.01P | determine conditions of one-piece wheels | conditions are determined by performing sensory inspection |
| C-9.03.02P | determine radial and lateral run out, and end play | radial and lateral run out, and end play are determined by using measuring tools and equipment |
| C-9.03.03P | determine causes of failure | causes of failure are determined according to sensory inspection and prior service records |
| C-9.03.04P | evaluate ride quality | ride quality is evaluated by performing test ride |
| C-9.03.05P | determine servicing procedures | servicing procedures are determined according to manufacturers’ specifications and procedures |
Range of variables
- conditions include: worn bearings, cracked, blistered and deformed rims, damaged hub, damaged tire valve, chipped or cracked paint
- measuring tools and equipment include: dial gauge, truing stand
- causes of failure include: impact, lack of maintenance, stress, wear, corrosion
- ride quality includes: stability, vibration, noise, comfort
- servicing procedures are: component replacement or repair
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-9.03.01L | demonstrate Knowledge of one-piece wheels and their components, characteristics and applications | identify types of one-piece wheels, and describe their characteristics and applications |
| identify wheel components, and describe their characteristics and applications | ||
| identify materials for one-piece wheels, and describe their characteristics and applications | ||
| C-9.03.02L | demonstrate Knowledge of procedures to diagnose one-piece wheels | identify tools and equipment used to diagnose one-piece wheels, and describe their procedures for use |
| describe procedures to inspect one-piece wheels | ||
| describe procedures to diagnose one-piece wheels | ||
| describe manufacturers’ servicing procedures for one-piece wheels | ||
| describe workplace practices and procedures |
Range of variables
- types of one-piece wheels include: cast, forged, composites, aluminum, magnesium
- wheel components include: bearings, spacers, speedometer drive, cush drive, pressure sensors, reluctor, balancing weights, axles
- servicing procedures are: component replacement or repair
C-9.04 Diagnoses multi-piece wheels
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-9.04.01P | determine conditions of multi-piece wheels | conditions are determined by performing sensory inspection |
| C-9.04.02P | determine radial and lateral run out, and end play | radial and lateral run out, and end play are determined by using measuring tools and equipment |
| C-9.04.03P | evaluate wheel component condition | wheel component condition is evaluated to determine if it can be serviced |
| C-9.04.04P | determine causes of failure | causes of failure are determined according to sensory inspection and prior service records |
| C-9.04.05P | evaluate ride quality | ride quality is evaluated by performing test ride |
| C-9.04.06P | determine servicing procedures | servicing procedures are determined according to manufacturers’ specifications and procedures |
Range of variables
- conditions include: worn bearings, cracked, blistered and deformed rims, damaged hub, damaged tire valve, chipped or cracked paint
- measuring tools and equipment include: dial gauge, truing stand
- wheel components include: bearings, fasteners, rims, hubs, seals, O-rings, valve, sensors (speed pressure) speedometer drive, cush drive
- causes of failure include: deterioration of O-ring, impact, lack of maintenance, stress
- ride quality includes: stability, vibration, noise, comfort
- servicing procedures are: wheel component replacement or repair
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-9.04.01L | demonstrate Knowledge of multi-piece wheels and their components, characteristics and applications | identify types of multi-piece wheels, and describe their characteristics and applications |
| identify wheel components, and describe their characteristics and applications | ||
| C-9.04.02L | demonstrate Knowledge of procedures to diagnose multi-piece wheels | identify tools and equipment used to diagnose multi-piece wheels, and describe their procedures for use |
| describe procedures to inspect multi-piece wheels | ||
| describe procedures to diagnose multi-piece wheels | ||
| describe manufacturers’ servicing procedures for multi-piece wheels | ||
| describe workplace practices and procedures |
Range of variables
- wheel components include: bearings, fasteners, rims, hubs, seals, O-rings, valve, sensors (speed pressure) speedometer drive, cush drive
- types of multi-piece wheels are: stamped steel (riveted, bolted)
- servicing procedures are: wheel component replacement or repair
Task C-10 Services wheels and tires
Task descriptor
Motorcycle technicians service wheels and tires to correct problematic conditions and defects. Proper service is critical.
C-10.01 Services tires
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-10.01.01P | remove and reinstall/replace tire components | tire components are removed and reinstalled/replaced according to manufacturers’ specifications and AHJ regulations |
| C-10.01.02P | repair tires | tires are repaired according to product manufacturers’ procedures and recommendations |
| C-10.01.03P | select tire | tire is selected according to type of tire and manufacturers’ specifications |
Range of variables
- tire components include: tube, rim band, rim locks
- manufacturers’ specifications include: speed rating, load rating, tire size, recommended pressures
- repair includes: plugging, patching
- types of tires include: bias ply, bias belted, radial, tube, tubeless
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-10.01.01L | demonstrate Knowledge of tires and their components, characteristics and applications | identify types of tires, and describe their characteristics and applications |
| identify tire components, and describe their characteristics and applications | ||
| identify tire materials, and describe their characteristics and applications | ||
| identify types of pressure sensors, and describe their characteristics and applications | ||
| identify tire inflation media, and describe their characteristics and applications | ||
| identify and describe manufacturers’ specifications for tires | ||
| identify types and operation of mounting and balancing equipment | ||
| C-10.01.02L | demonstrate Knowledge of procedures to service tires | identify tools and equipment used to service tires, and describe their procedures for use |
| describe manufacturers’ servicing procedures for tires | ||
| describe workplace practices and procedures |
Range of variables
- tire components include: tube, rim band, rim locks
- types of tires include: bias ply, bias belted, radial, tube, tubeless
- tire materials include: rubber compounds, nylon, aramids
- tire inflation media include: air, nitrogen, mousse
- manufacturers’ specifications include: speed rating, load rating, tire size, recommended pressures
- tools and equipment include: tire machine, tire irons, rim protectors, pressure gauges, air compressors, balancing machine
- servicing procedures include: replace tire or tube, balance tire, repair tire
C-10.02 Services spoked wheels
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-10.02.01P | access wheels | wheels are accessed by removing and reinstalling wheel components according to manufacturers’ specifications |
| C-10.02.02P | remove, and repair or replace wheel components | wheel components are removed, and repaired or replaced according to manufacturers’ specifications |
| C-10.02.03P | adjust lateral and radial run-out, and offset | lateral and radial run-out, and offset are adjusted according to manufacturers’ specifications |
| C-10.02.04P | service wheel components | wheel components are serviced according to manufacturers’ specifications, and workplace practices and procedures |
Range of variables
- wheel components include: rims, hubs, bearings, spokes, spoke nipples, axles, rim locks, pressure sensors, reluctor, speedometer drive, cush drive, balancing weights
- servicing procedures include: lubricate, replace, clean, align
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-10.02.01L | demonstrate Knowledge of spoked wheels and their components, characteristics and applications | identify spoked wheels, and describe their characteristics and applications |
| identify wheel components, and describe their characteristics and applications | ||
| identify wheel materials, and describe their characteristics and applications | ||
| describe structures of spoked wheels | ||
| C-10.02.02L | demonstrate Knowledge of procedures to service spoked wheels | identify tools and equipment used to service spoked wheels, and describe their procedures for use |
| describe manufacturers’ servicing procedures for spoked wheels | ||
| describe workplace practices and procedures |
Range of variables
- wheel components include: rims, hubs, bearings, spokes, spoke nipples, axles, rim locks, pressure sensors, reluctor, speedometer drive, cush drive, balancing weights
- wheel materials include: aluminum, steel
- servicing procedures include: lubricate, replace, clean, align
C-10.03 Services one-piece wheels
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-10.03.01P | access wheels | wheels are accessed by removing and reinstalling wheel components according to manufacturers’ specifications |
| C-10.03.02P | remove, and repair or replace wheel components | wheel components are removed, and repaired or replaced to restore tolerance according to manufacturers’ specifications |
| C-10.03.03P | service wheel components | wheel components are serviced using servicing procedures according to manufacturers’ specifications |
Range of variables
- wheel components include: bearings, spacers, speedometer drive, cush drive, pressure sensors, reluctor, balancing weights, axles
- servicing procedures are: lubricate, replace, align
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-10.03.01L | demonstrate Knowledge of one-piece wheels, their characteristics and applications | identify types of one-piece wheels, and describe their characteristics and applications |
| identify wheel components, and describe their characteristics and applications | ||
| C-10.03.02L | demonstrate Knowledge of procedures to service one-piece wheels | identify tools and equipment used to service one-piece wheels, and describe their procedures for use |
| describe manufacturers’ servicing procedures for one-piece wheels | ||
| describe workplace practices and procedures |
Range of variables
- types of one-piece wheels include: cast, forged, composites
- wheel components include: bearings, spacers, speedometer drive, cush drive, pressure sensors, reluctor, balancing weights, axles
- servicing procedures are: lubricate, replace, align
C-10.04 Services multi-piece wheels
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | yes | NV | ND | yes | ND | ND | NV | yes | ND | ND | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| C-10.04.01P | access wheels | wheels are accessed by removing and reinstalling wheel components according to manufacturers’ specifications |
| C-10.04.02P | remove, and repair or replace wheel components | wheel components are removed, and repaired or replaced to restore tolerance according to manufacturers’ specifications |
| C-10.04.03P | service wheel components | wheel components are serviced using servicing procedures according to manufacturers’ specifications |
| C-10.04.04P | inspect rim assembly | rim assembly is inspected to verify structural integrity |
Range of variables
- wheel components include: bearings, fasteners, rims, hubs, seals, O-rings, valve, pressure sensors, reluctor, speedometer drive, cush drive, axles
- servicing procedures are: lubrication, replacement, alignment
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| C-10.04.01L | demonstrate Knowledge of multi-piece wheels and their components, characteristics and applications | identify types of multi-piece wheels, and describe their characteristics and applications |
| identify wheel components, and describe their characteristics and applications | ||
| C-10.04.02L | demonstrate Knowledge of procedures to service multi-piece wheels | identify tools and equipment used to service multi-piece wheels, and describe their procedures for use |
| describe manufacturers’ servicing procedures for multi-piece wheels | ||
| describe workplace practices and procedures |
Range of variables
- types of multi-piece wheels include: stamped (riveted, bolted)
- wheel components include: bearings, fasteners, rims, hubs, seals, O-rings, valve, pressure sensors, reluctor, speedometer drive, cush drive, axles
- servicing procedures are: lubrication, replacement, alignment