User Manual

219
FAULTS AND REMEDIAL ACTIONS
13. Output pressure too low
Hydrostatic unit leaks.
High-pressure valve is loose.
Outlet pressure limiting valve does not close.
Measure input pressure (too low).
Measure feed pressure (too low), tighten.
Output pressure = pre-cooler flow pressure.
14. Battery charge indicator lamp lit
Cause
Contact problem on alternator connector.
Cable from alternator to charging indicator lamp
has interrupted ground connection or wire.
Fault in alternator.
Remedial Action
Check connectors (in workshop).
Eliminate the short circuit (in workshop).
Check the alternator. Repair, or replace if
necessary (at workshop).
15. No reading on the digital display
Cause
Interrupted power supply.
Remedial Action
Replace fuse and check connectors.
Check fuses and connectors.
16. General faults in the electrical system
Cause
No contact between terminals and battery ca-
bles.
Remedial Action
Remove any oxidation from terminals and
clamps, tighten the clamp screws; coat terminals
with anticorrosion grease.
17. Turn signal / hazard warning system not functioning
Cause
Power supply interrupted; hazard warning flasher
inoperative.
Remedial Action
Check fuse / power supply and replace signal
pulse generator if necessary.
18. Turn signal indicator lamps do not come on
Cause
Bulbs faulty in corresponding turn signal lamps
on tractor or trailer.
Remedial Action
Replace bulbs; establish current / ground
contact; check trailer cable connectors.
19. Brakes do not function properly (to be dealt with at the
service workshop)
Cause
Brake pedals have too much free travel / uneven
braking effect.
Brake pedal movement is spongy and too long.
Oil loss in brake and clutch system.
Remedial Action
Adjust foot brake, repair if necessary.
Bleed air from the foot brake circuit. Eliminate
cause of leak, as necessary.
Remedy the cause of oil loss.