LR3/Disco 3
Standard Workshop Practices
Vehicle in Workshop
When working on a vehicle in the workshop always make sure that:
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Where practicable, the parking brake is applied and the wheels are securely chocked to prevent the vehicle
moving forwards or backwards.
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Whenever possible, the ignition key is removed before any work is carried out on the vehicle.
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If the engine is to be run, there is adequate ventilation, or an extraction hose is used to remove exhaust fumes.
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There is adequate room to raise the vehicle and remove the wheels, if necessary.
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Fender covers are always fitted if any work is to be carried out in the engine compartment.
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Where practicable, the battery is disconnected if working on the engine, underneath the vehicle, or if the vehicle is
raised.
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If using welding equipment on the vehicle, a suitable fire extinguisher is readily available.
Battery - General
Jump Starting a Vehicle
CAUTION: Prior to disconnecting the battery, refer to the Electrical Section of this manual - Battery
disconnection/connection and the following paragraphs.
CAUTION: When electric arc welding on a vehicle, always disconnect the generator wiring to prevent the
possibility of a surge of current causing damage to the internal components of the generator.
WARNING: It is essential that a period of 10 minutes elapses after the battery is disconnected before any
work is undertaken on any part of the SRS system.
CAUTION: Prior to carrying out any procedures which involve disconnecting/ or connecting the battery,
refer to the Electrical Section of this manual - Battery disconnection/connection.
CAUTION: A discharged battery condition may have been caused by an electrical short circuit. If this
condition exists there will be an apparently live circuit on the vehicle even when all normal circuits are switched
off. This can cause arcing when the jumper cables are connected.
CAUTION: While it is not recommended that a vehicle is jump started, it is recognized that this may
occasionally be the only practical way to mobilize a vehicle. Reference should be made to the following and also
to the Electrical Section of this manual - Jump Starting.
CAUTION: It is advisable not to use starter/charger sets for jump starting but if this is unavoidable,
ensure that the sets are not used in the 'START' mode.
