This element focuses on developing the practical skills and underpinning knowledge required to safely and competently inspect, repair, and replace tyres on
Topic Synopsis
This element focuses on developing the practical skills and underpinning knowledge required to safely and competently inspect, repair, and replace tyres on plant equipment such as excavators, telehandlers, and agricultural tractors. Learners will apply industry-standard procedures for wheel removal, tyre and tube assessment, puncture repair, and refitting, while maintaining accurate records and advising customers on tyre condition and suitability. Emphasis is placed on compliance with health and safety regulations, manufacturer specifications, and the use of specialist tools to ensure operational reliability and minimise downtime.
Key Concepts & Core Principles
- Health and Safety: Understanding COSHH, PPE, and safe working practices to prevent accidents and injuries.
- Tyre Construction: Knowledge of tyre components (tread, sidewall, bead) and their functions, plus tyre markings (e.g., speed ratings, load indices).
- Fitting and Balancing: Correct procedures for mounting and demounting tyres, using balancing machines to ensure even weight distribution.
- Repair Techniques: Identifying repairable damage, using patch and plug methods, and adhering to industry standards (e.g., BS AU 159).
- Wheel Alignment: Understanding camber, caster, and toe angles, and using alignment equipment to adjust settings for optimal handling.
Exam Tips & Revision Strategies
- Always reference the specific plant equipment’s manual for lifting points, torque settings and approved tyre specifications to demonstrate manufacturer compliance.
- Use a methodical inspection routine that covers all faces of the tyre and wheel, including the inner bead area and valve stem, to avoid missing hidden damage.
- When making recommendations, link your advice directly to evidence such as tread depth measurements, age-related cracking, or repeated punctures that exceed repair limits.
- If possible, practise on a range of plant tyre types (bias, radial, foam-filled) to become familiar with different fitting techniques and tool requirements.
Common Misconceptions & Mistakes to Avoid
- Failing to support the plant equipment adequately before wheel removal, increasing the risk of crush injuries or vehicle instability.
- Misreading sidewall markings, leading to fitting an incorrect tyre size, load index or speed symbol that compromises machine safety.
- Over-inflating a tyre after repair without placing it in a safety cage, ignoring the risks of explosive separation.
- Neglecting to document the work or not recording serial numbers, making traceability and future reference impossible.
Examiner Marking Points
- Award credit for demonstrating correct positioning of axle stands, wheel chocks and isolation of power sources to create a safe working zone.
- Look for evidence of tyre pressure checks, tread depth measurement, sidewall examination and rim condition assessment during inspection tasks.
- Accept repair techniques that follow the published repair material manufacturer’s instructions and include the use of an inner liner patch and plug combination where applicable.
- Expect the candidate to reference the equipment operator’s manual when looking up torque values and tightening patterns, and to use a calibrated torque wrench.
- Marking should confirm that the candidate’s written or digital records include tyre identification codes, fitting dates, observed defects and actions taken.