Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Electrical Equipment

Electric shock can result from the use of faulty electrical equipment or from the misuse of equipment in good condition.

Make sure that electrical equipment is maintained in good condition and frequently tested. Faulty equipment should be labelled and preferably removed from the work station.

Make sure that flexes, cables, plugs and sockets are not frayed, kinked, cut, cracked or otherwise damaged. If using cable reel extension equipment, ALWAYS ensure that the cable is fully unwound from the reel.

Make sure that electrical equipment and flexes do not come into contact with water.

Make sure that electrical equipment is protected by the correct rated fuse.

Never misuse electrical equipment and never use equipment which is in any way faulty. The results could be fatal.

Make sure that the cables of mobile electrical equipment cannot get trapped and damaged, such as in a vehicle hoist.

Make sure that the designated electrical workers are trained in basic First Aid.

In cases of electrocution:

  • Switch off the power supply before approaching the victim.
  • If this is not possible, DO NOT TOUCH THE VICTIM but push or drag the person from the source of electricity using dry, non-conductive material.
  • Commence resuscitation if trained to do so.


These contain asphyxiating, harmful and toxic chemicals and particles such as carbon oxides, nitrogen oxides, aldehydes, lead and aromatic hydrocarbons. Engines should be run only under conditions of adequate exhaust extraction or general ventilation and not in confined spaces.


There may not be adequate warning of odour or of irritation before toxic or harmful effects arise. These may be immediate or delayed.


Soot, discomfort and irritation usually give adequate warning of hazardous fume concentrations.


The fibrous nature of surfaces and cut edges can cause skin irritation. This is usually a physical and not a chemical effect.

Precautions should be taken to avoid excessive skin contact through careful organization of work practices and the use of gloves.


Many of the materials found on or associated with the repair of vehicles are highly flammable. Some give off toxic or harmful fumes if burnt; others such as fluoroelastomers when burnt or damaged by excessive heat can break down and produce highly corrosive hydrofluoric acid - See Fluoroelastomers.

Should any material be in a burnt or overheated condition, handle with extreme caution and wear protective clothing when handling such items.

Dispose of such material in accordance with local regulations.

Decontaminate and dispose of protective clothing immediately after use.

Observe strict fire safety when storing and handling flammable materials or solvents, particularly near electrical equipment or welding processes.

Make sure, before using electrical or welding equipment, that there is no fire hazard present.

Have a suitable fire extinguisher available when using welding or heating equipment.


     First Aid

    Apart from meeting any legal requirements it is desirable for someone in the workshop to be trained in First Aid procedures. Splashes in the eye should be flushed carefully with clean water for at le


    Avoid skin contact with fuel where possible. Should contact occur, wash the affected skin with soap and water. GASOLINE (PETROL) Highly flammable - OBSERVE NO SMOKING POLICY. Swallowing gasoline (petr

     Gas Cylinders

    Gases such as oxygen, acetylene, argon and propane are normally stored in cylinders at pressures of up to 138 bar (13800 kPa) (2000 lbf/in²) and great care should be taken in handling these cylinders


     Warning Devices / Diagnosis and Testing

    PRINCIPLES OF OPERATION For a detailed description of the Blindspot Monitoring system, refer to the relevant Description and Operation section in the workshop manual. REFER to: Warning Devices (413-09 Warning Devices, Description and Operation). INSPECTION AND VERIFICATION CAUTION: Diagnosis by subs

     Navigation System / Operation

    The navigation system receives GPS information via the GPS antenna. The GPS signals are used by the navigation system to calculate the vehicle's position. Once the driver has input a desired destination, the navigation system can calculate a route, based on the driver's pre-determined preferences o

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