Terex MHL360 E - Table of Malfunctions

8 TROUBLESHOOTING
8.6 MHL360 E
8.9 Table of malfunctions
Possible Cause
Remedy
8.9.1 No steering
1
Oil supply to pump interrupted.
Check and repair suction line.
2
Hydraulic pump defective.
Have the pump examined by a specialist for
mechanical damage.
Replace the entire hydraulic pump.
3 Priority valve defective. Have the priority valve checked by a specialist;
repair or replace as required.
4
Steering control unit defective.
Have the steering control unit checked by a
specialist; repair or replace as required.
5
Rotary transmission or steering cylinders de-
fective.
Repair, replace.
6
Mechanical fault.
Repair.
8.9.2 No brake pressure
1
Oil supply to pump interrupted.
Check and repair suction line.
2
Hydraulic pump defective.
Have the pump examined by a specialist for
mechanical damage.
Replace the entire hydraulic pump.
3
Rotary transmission or shut-off valve defec-
tive.
Have the transmission or valve checked by a
specialist; repair or replace as required.
8.9.3 Insufficient braking power
1
Rotary transmission or foot brake valve de-
fective.
Have the transmission or valve checked by a
specialist; repair or replace as required.
2
Wear on the brake discs.
Repair.
3
Oil loss in brake system.
Check, repair.
4
Discontinuous buzzing tone.
Malfunction in service brake system. Lowest
brake pressure range of 85 bar not reached.
Check and repair.
8.9.4 Parking brake cannot be released
1
No brake pressure.
Check oil supply to pump and shut-off valve,
repair or replace.
2
Disc brake sticking.
Check, repair.
3
Parking brake valve defective.
Check and repair or replace.
4 Oil loss in parking brake system. Check, repair.
5
Rotary transmission defective.
Check, repair.