Remove and replace power source units and components

URN: IMILT02
Business Sectors (Suites): Maintenance and Repair - Lift Truck
Developed by: IMI
Approved on: 2022

Overview

This standard is about removing and replacing units and components where dismantling and re-assembly of the power source is required. It is also about evaluating the performance of replaced units and components.

The units and components concerned are those not replaced as part of normal routine, lift truck maintenance (servicing) activities.


Performance criteria

You must be able to:

P1 wear suitable personal protective equipment throughout all removal and replacement activities
P2 support your removal and replacement activities by reviewing:

P2.1 lift truck technical data
P2.2 removal and replacement procedures
P2.3 legal requirements
P3 prepare, test 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 and safety requirements
P5 work in a way which minimises the risk of:

P5.1 damage to other lift truck systems
P5.2 damage to other lift truck components and units
P5.3 injury to yourself and others
P5.4 contact with hazardous substances.
P5.5 instability when working on the lift truck
P6 ensure replaced power source units and components conform to the lift truck 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
P9 ensure the reassembled power source system performs to the lift truck 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) in authority 


Knowledge and Understanding

You need to know and understand:

*
Legislative and organisational requirements and procedures*
K1 the legal requirements relating to the lift truck
K2 the health and safety legislation and workplace procedures relevant to lift truck maintenance and repair activities including PPE
K3 your workplace procedures for:

K3.1 recording removal and replacement information
K3.2 the referral of problems

K3.3 reporting delays to the completion of work
K4 the importance and purpose of recording removal and replacement activities
K5 the importance of working to agreed timescales and keeping others informed of progress
K6 the relationship between time and costs
K7 the importance of promptly reporting anticipated delays to the relevant person(s) in authority 

Use of technical information
K8 how to find, interpret and use sources of information applicable to unit and component removal and replacement within power source systems
K9 the importance of using the correct sources of technical information
K10 the purpose of and how to use identification codes

Electrical and electronic principles *
K11 lift truck earthing methods
K12 electrical and electronic principles associated with lift truck *power source systems, including types of sensors, actuators, their application and operation
K13 types of circuit protection and why these are necessary
K14 electrical safety procedures
K15 how warning, charging and starter circuits work
K16 electrical units, terms and schematics
K17 battery charging and voltage
K18 electronic control system principles

Power source system operation and construction
K19 how power source systems and their related units and components are constructed, dismantled and reassembled for the classification of lift truck worked upon
K20 how power sources and their related units and components operate for the classification of lift truck worked upon

Equipment
K21 how to prepare, test and use all the removal and replacement equipment required

Power source unit and component removal and replacement
K22 how to remove and replace power source system mechanical and electrical units and components for the classification of lift truck worked upon
K23 how to select and fit gaskets, sealants, fittings and fasteners
K24 how to test and evaluate the performance of replacement power source unit and components and the reassembled system against the lift truck operating specifications and any legal requirements - the use of appropriate test methods
K25 the manufacturer’s specification for the type and quality of power source units and components to be used
K26 how to work safely avoiding damage to other lift truck systems, components and units and contact with leakage and hazardous substances relating to yourself and the environment


Scope/range

​1. Equipment includes:

1.1. hand tools
1.2. special workshop tools and equipment
1.3. general workshop equipment
1.4. electrical testing equipment

2. Testing methods include:

2.1. sensory
2.2. functional
2.3. measurements

3. Units and components include:

3.1. mechanical
3.2. electrical

4. Power source systems and components include:

4.1. diesel and gas engine mechanical systems
4.2. cooling systems
4.3. air supply and exhaust systems
4.4. fuel and ignition systems
4.5. engine electrical systems
4.6. lubrication systems
4.7. electric motor systems
4.8. motor control systems
4.9. hybrid storage systems
4.10. starting systems (IC)
4.11. charging systems


Scope Performance


Scope Knowledge


Values


Behaviours


Skills


Glossary


Links To Other NOS


External Links


Version Number

3

Indicative Review Date

2025

Validity

Current

Status

Original

Originating Organisation

IMI

Original URN

LT02

Relevant Occupations

Lift Truck Service Technician (Automotive), Lift Truck Trailer Diagnostic Technician (Automotive), Lift Truck Trailer Master Technician (Automotive), Lift Truck Workshop Controller

SOC Code

5231

Keywords

Remove; replace; power; source; units; components;