This subtopic focuses on developing practical skills for inspecting, repairing, and replacing tyres on plant equipment, ensuring compliance with health and
Topic Synopsis
This subtopic focuses on developing practical skills for inspecting, repairing, and replacing tyres on plant equipment, ensuring compliance with health and safety regulations. Learners will apply industry-standard procedures to assess tyre and wheel condition, perform repairs on tubes and tyres, and document findings accurately. Mastery of these skills is essential for maintaining operational safety and minimising equipment downtime in sectors such as construction and agriculture.
Key Concepts & Core Principles
- Tyre Construction and Markings: Understanding the components of a tyre (bead, sidewall, tread, plies) and interpreting sidewall markings for size, load index, speed rating, and manufacturing date (DOT code).
- Legal Requirements and Safety: Knowledge of UK legislation regarding tyre tread depth (1.6mm across central 3/4 of tread), condition (no cuts, bulges), and suitability for the vehicle, along with comprehensive health and safety procedures for workshop operations and vehicle jacking.
- Wheel Balancing and Alignment: The principles behind static and dynamic wheel balancing to eliminate vibrations and ensure even tyre wear, differentiating it from wheel alignment which adjusts suspension geometry.
- Tyre Pressure Monitoring Systems (TPMS): The function, types (direct vs. indirect), diagnostic procedures, and correct re-learning or re-calibration processes required after tyre replacement or rotation.
- Puncture Repair Standards: Adherence to British Standard BS AU 159 for tyre repairs, identifying repairable areas (central tread area only) and non-repairable damage (sidewall, shoulder, large punctures).
Exam Tips & Revision Strategies
- Always prioritise safety by starting each practical task with a risk assessment and checking equipment serviceability.
- Practice systematic inspection routines to ensure no defect is missed; use a checklist approach.
- Memorise legal tyre conditions and manufacturer specifications relevant to plant equipment to support recommendations.
- In written assessments, clearly link inspection findings to the appropriate action (repair, replace, or advise).
Common Misconceptions & Mistakes to Avoid
- Failing to fully deflate the tyre before attempting removal, risking explosive separation.
- Overlooking internal tube damage when only inspecting the outer tyre casing.
- Incorrectly matching tyre and rim sizes or load ratings, leading to hazardous fitment.
- Incomplete documentation omitting essential data like PSI, tread depth, or operator details.
Examiner Marking Points
- Award credit for correct selection and use of PPE and adherence to safe jacking and support procedures.
- Mark for thorough inspection covering tread depth, sidewall damage, bead condition, and valve stem integrity.
- Credit for demonstrating proper use of tyre levers, bead breakers, and torque wrenches without damaging rim or tyre.
- Look for accurate recording of serial numbers, measurements, and clear justifications for repair/replacement recommendations.