Discovery 2. Manual — part 31

MAINTENANCE

PROCEDURES

10-29

Towing bracket

Check

1. Check security of towing bracket.

MAINTENANCE

10-30

PROCEDURES

Engine mountings - V8 engine

Check for security and condition

1. Check condition of Transfer box - RH mounting

rubber.

2. Check condition of Transfer box - LH mounting

rubber.

3. Check condition of Engine - LH mounting

rubber.

4. Check condition of Engine - RH mounting

rubber

5. Check tightness of all mounting bolts.

+

TORQUE WRENCH SETTINGS,

Engine V8.

MAINTENANCE

PROCEDURES

10-31

Road/roller test

WARNING: Roller test must be restricted to 3
mph (5 km/h). If 2 wheel rolling road is to be used,
disconnect propeller shaft from the transfer box
output shaft driving the axle which is NOT on the
rolling road.

Testing

1. 2 wheel rolling road: Engage differential lock

using a 10 mm open ended spanner on flats
machined on differential lock selector
shaft.Switch on ignition and check that the
differential lock, electronic brake
distribution and hill descent warning lamps
are illuminated.

2. Check for correct operation of starter switch,

ensure engine starts correctly; leave the engine
running.

3. Check for correct operation of starter switch,

ensure engine starts correctly; leave the engine
running.

4. With vehicle stationary, turn steering from lock

to lock. Check for smooth operation and ensure
there is no undue noise from power steering
pump or drive belt.

5. Depress clutch and select all gears in turn,

check for smooth, notch free engagement.

6. Check all vehicle systems for correct

operation.

7. Check for unusual engine, gearbox and

suspension noises.

8. Check braking system operation.
9. Check for smooth gear engagement.

10. Check engine performance.
11. Check operation of all instruments and warning

devices where practicable.

12. Where possible, check for correct operation of

hill descent control (HDC) mechanism. This
should not be carried out if excessive journey
time is required.

13. After road/roller test, carry out a final inspection

of vehicle, with vehicle on a ramp.

14. Check all fluid levels and top-up if necessary.
15. 2 wheel rolling road: Ensure differential lock is

disengaged and propeller shaft is connected on
completion of test. Switch on ignition and
check that differential lock, electronic brake
distribution and hill descent warning lamps
are extinguished.