Remove and replace heavy vehicle trailer electrical auxiliary units and components

P2.1 heavy vehicle trailer technical data 

P2.2 removal and replacement procedures 

P2.3 legal requirements 

P3 prepare, check and use all the equipment required following manufacturers' instructions 

P4 carry out all removal and replacement activities following; 

P4.1 manufacturers' instructions 

P4.2 your workplace procedures 

P4.3 health, safety and environmental requirements 

P5 work in a way which minimises the risk of: 

P5.1 damage to other heavy vehicle trailer systems, units and components 

P5.2 damage to your working environment

P5.3 contact with leakage and hazardous substances 

P5.4 injury to self and others 

P6 ensure replaced electrical auxiliary units and components conform to the heavy vehicle trailer  operating specification and any legal requirements 

P7 promptly record and report any additional faults you notice during the course of your work  

P8 use suitable testing methods to evaluate the performance of the reassembled system accurately 

P9 ensure the reassembled system performs to the heavy vehicle trailer  operating specification and meets any legal requirements prior to return to the customer 

P10 ensure your records are accurate, complete and promptly passed to the relevant person(s) in the format required 

P11 complete all removal and replacement activities within the agreed timescale 

P12 promptly report any expected delays in completion to the relevant person(s)  

K3.1 health and safety

K3.2 the environment (including waste disposal)

K3.3 appropriate personal and vehicle protective equipment

K4 your workplace procedures for 

K4.1 recording removal and replacement information 

K4.2 the referral of problems 

K4.3 reporting delays to the completion of work 

K5 the importance of documenting removal and replacement information 

K6 the importance of working to agreed timescales and keeping others informed of progress 

K7 the relationship between time and costs 

K8 the importance of promptly reporting anticipated delays to the relevant person(s)  

Use of technical information *

K9 how to find, interpret and use sources of information applicable to electrical unit and component removal and replacement 

K10 the importance of using the correct sources of technical information

K11 the purpose of and how to use identification codes 

Electrical auxiliary system operation and construction 

K12 how *electrical auxiliary units and components are constructed, removed and replaced for the classification of heavy vehicle trailer worked upon 

K13 how electrical auxiliary units and components operate for the classification of heavy vehicle trailer worked upon 

Equipment *

K14 how to prepare, check and use all the removal and replacement *equipment  *

Electrical and electronic principles 

K15 heavy vehicle trailer earthing principles and earthing methods 

K16 electrical and electronic principles associated with electrical auxiliary systems, including types of sensors and actuators, their application and operation 

K17 types of circuit protection and why these are necessary 

K18 electrical safety procedures 

K19 how lighting, warning, and auxiliary circuits work 

K20 electric symbols, units and terms 

K21 electrical/electronic control system principles 

Electrical unit and component removal and replacement 

K22 how to remove and replace *electrical auxiliary units and components  for the classification of heavy vehicle trailer  worked upon 

K23 how to test and evaluate the performance of replacement electrical auxiliary units and components and the reassembled system against the heavy vehicle trailer  operating specifications and any legal requirements  

K24 the relationship between testing methods and the electrical auxiliary units and components replaced – the use of appropriate test methods 

K25 the manufacturer's specification for the type and quality of electrical auxiliary units and components to be used 

K26 how to work safely avoiding damage to other heavy vehicle trailer  systems, components and units and contact with leakage and hazardous substances

1.1. hand tools

1.2. special workshop tools

1.3. general workshop equipment

1.4. electrical meters

2. Testing methods are:

2.1. sensory

2.2. functional

3. Electrical auxiliary units and components are for:

3.1. lighting systems

3.2. body operating systems

3.3. tracking, security and alarm systems

3.4. audible systems

3.5. monitoring and instrumentation systems

3.6. networking systems