Inspect, repair and replace heavy goods and public service vehicle tyres

Business Sectors (Suites): Vehicle Fitting
Developed by: IMI
Approved on: 31 Dec 2021


This standard is about inspecting heavy goods and public service vehicle tyres to assess their condition and suitability for repair and carrying out necessary repair, replacement or refitting activities.

Performance criteria

You must be able to:

P1 select and use suitable personal protective equipment throughout all heavy goods and public service vehicle tyre inspection, repair and replacement activities 
P2 use suitable sources of technical information to support your inspection, repair, re-grooving and replacement of heavy goods and public service vehicle tyres *
P3 work in a way that minimises the risk of damage to the vehicle and its systems 
P4 confirm that all the *tools and equipment required are safe prior to use 
P5 ensure your inspection techniques are sufficiently in depth to identify the severity of all tyre and wheel defects 
P6 conduct all inspection, repair and replacement activities following: 

P6.1 manufacturers’ instructions 
P6.2 your workplace procedures 
P6.3 health and safety requirements 
P6.4 the current industry standard for tyre repair 
P7 carry out all inspection, repair and replacement activities using: 

P7.1 suitable tools and equipment 
P7.2 the correct inspection techniques *
P7.3 the correct type, size and construction of tyre 
P8 clearly identify and record the cause of any tyre, valve or wheel faults following your normal workplace procedures 
P9 make clear and accurate recommendations for further action to the relevant person(s) when necessary 
P10 ensure that replaced and refitted *heavy goods and public service vehicle tyres and valves are correctly fitted 
P11 ensure re-grooved tyres meet manufacturer’s and legal requirements prior to release to the customer 
P12 dispose of removed components and debris safely to meet current legal and your workplace requirements 
P13 complete all activities within the agreed timescale 
P14 promptly report any anticipated delays in completion and any additional faults identified to the relevant person(s) 

Knowledge and Understanding

You need to know and understand:

Legislative and organisational requirements and procedures
K1 the current health and safety legislation and workplace procedures relevant to workshop practices and personal and vehicle protection 
K2 the current legal requirements for heavy goods and public service vehicle tyres, and the relevant parts of the prevailing British and or European standard for the repair of heavy goods and public service vehicle tyres BASU159 
K3 how to isolate scrapped tyres and dispose of waste materials in your workplace 
K4 the importance of disposing of waste safely and the consequences of not doing so to others and the environment 
K5 the importance of selecting, using and maintaining the appropriate personal protective equipment when inspecting, repairing and replacing *heavy goods and public service vehicle tyres *
K6 the agreed work specification 
K7 your workplace procedures for: 

K7.1 the referral of problems 
K7.2 reporting of delays to the completion of work 
K7.3 personal protection 
K7.4 ensuring vehicle is safe to work upon
K8 the requirements for protecting the vehicle and contents from damage before, during and after removing and replacing wheels 
K9 the importance of working to agreed timescales and keeping others informed of progress 
K10 the relationship between time and cost 
K11 the importance of promptly reporting anticipated delays to the relevant person(s) 

Tools and equipment
K12 how to select, prepare and use the tools and equipment necessary for inspecting, repairing, re-grooving, replacing and refitting heavy goods and public service vehicle tyres, including the use of specialist bead unseating tools for EVA/AVH rims
K13 ensure correct calibration (self/third party) of tools and equipment

K14 the types of tyre repair materials available (i.e. rubber only plug patch unit and rubber only patch and filler material) 

K15 the repair material manufacturer’s instructions for the application of repair materials for the type(s) of tyres on which you are working

Tyre inspection, removal, repair and replacement
K16 how to find and use suitable sources of information on heavy goods and public service vehicle tyres 
K17 the purpose, function and construction of heavy goods and public service vehicle tyres *
K18 the specific commercial tyre positions e.g drive, steer and trailer and how to select the appropriate tyre 
K19 the types and functions of tyre pressure monitoring systems 
K20 the types of heavy goods and public service vehicle wheel rims and how to inspect them and their components for compatibility and serviceability 
K21 the types of valves used in *heavy goods and public service vehicle tyres and their installation techniques 
K22 the types of heavy goods and public service vehicle wheel fixings and how to inspect them for compatibility and serviceability BSAU 50 
K23 the common faults associated with heavy goods and public service vehicle tyres and their possible causes 
K24 the potential risks associated with aged tyres 
K25 the manufacturer’s recommendations on the ‘reparability’ of their tyres 
K26 what a tyre inspection should cover 
K27 the inspection techniques associated with heavy goods and public service vehicle tyres and how to conduct them 
K28 the importance of taking accurate measurements and ensuring any adjustments are within 
K29 acceptable tolerances for the vehicle 
K30 the importance of basing your decision to replace or repair tyres upon the results of your inspection *
K31 how to remove, repair, replace and refit *heavy goods and public service vehicle tyres, wheels and valves 
K32 how to identify the re-groovability of heavy goods and public service vehicle tyres 
K33 how to re-groove heavy goods and public service vehicle tyres to manufacturers’ recommendations 
K34 the biological and environmental hazards associated with working in the industrial environment 
K35 the importance of checking the safety and operation of equipment prior to use 
K36 how to work safely avoiding injury to yourself, others and damage to wheels when removing and refitting heavy goods and public service vehicle tyres


1. **Heavy goods and public service vehicle tyres** are fitted to: 

1.1. 17.5, 19.5 and 22.5 diameter code rims
1.2. external valve aperture or hole (EVA/EVH, A type, U type) rims
1.3. split rims
1.4. wide single rims

2. Tools and equipment includes:

2.1. lifting and supporting equipment 
2.2. wheel removal and refitting tools 
2.3. tyre removal and refitting hand tools 
2.4. measuring equipment
2.5. tyre safety inflation equipment 
2.6. wheel balancing equipment if applicable 
2.7. tyre re-grooving equipment 
2.8. tyre repair tools 
2.9. Tyre Pressure Monitoring Systems (TPMS)

3. Inspection includes:

3.1. wheel rim components and fixings 
3.2. tyres 
3.3. valves
3.4. inner tubes
3.5. flaps

4. Inspection techniques include:

4.1. visual 
4.2. measurements of tread depth 
4.3. tyre pressures 
4.4. balance 
4.5. electronic

Scope Performance

Scope Knowledge





This section contains examples and explanations of some of the terms used but does not form part of the standard.

Agreed timescales
Examples include job times set by your company or agreed with a specific customer.

Heavy goods and public service vehicles
These are medium and heavy goods vehicles, buses and coaches of 3500kgs gross vehicle mass (GVM) and above.

Sources of information
Examples include: vehicle and tyre manufacturer’s publications, Government publications, company documentation, BSI publications.

Tyre safety inflation equipment
Examples include: tyre safety cages and ‘bag-it’ type inflation devices.

Examples include: workshops, an outdoor environment, customer’s premises and wherever you would normally work when dealing with heavy goods or public service vehicles.

Links To Other NOS

External Links

Version Number


Indicative Review Date

31 Dec 2024





Originating Organisation


Original URN


Relevant Occupations

Vehicle Fitters, Vehicle Fitting Operations (Automotive)

SOC Code



Inspect; repair; replace; heavy; goods; public; service; vehicle; tyres;