Terex Fuchs MHL380 D User Manual

MALFUNCTION 8
MHL380 D 8.9
Possible cause
Remedy
8.8.10 Hydraulic fluid exceeds max. permissible temperature
1
Thermostat in fan motor defective.
Replace thermostat and check fan speed.
2
Hydraulic oil level is too low.
Top up hydraulic oil to mark on sight glass.
3
Oil cooler dirty or faulty.
Clean oil cooler, check and replace if neces-
sary.
8.8.11 Swinging motion of the uppercarriage cannot be stopped
1
Defective swing brake.
Replace foot switch seal (optional), replace
discs.
2
Secondary valves faulty or set incorrectly.
Adjust secondary valves, replace if necessary.
3
Swing gear motor or swing gear defective –
internal wear.
Replace the hydraulic motor.
8.8.12 Hydraulic cylinders sustaining losses
1
Seals in hydraulic cylinders are worn.
Replace the seals.
2
Secondary valves faulty or set incorrectly.
Check secondary valves; replace if necessary.
Check hose rupture safety valves.
8.8.13 Malfunctions in the electrical system
1 Exterior and/or interior lighting not working. Check cables, connections, bulbs and fuses.
2
Windscreen wiper not working.
Check cables, connections and fuses. Examine
windscreen wiper for mechanical damage. Cor-
rosion on contacts between windscreen and
cab. Replace complete windscreen wiper if
necessary. Close the windscreen and lock it
into place correctly.
3
Horn not working.
Check the cables, connections and fuses. If
necessary, replace the entire horn and have a
specialist find out what caused the defect.
4
Warning/indicator instruments not working
accurately.
Have an expert locate the source of the prob-
lem/malfunction and eliminate it.
5 Starting system does not work satisfactorily. Check the generator (V-belt tension). Check the
charge capacity of the batteries. Test starter
functions. Check the connection and condition
of the power and grounding cables. Have the
function of the ignition lock checked and re-
place if necessary. Check the battery isolator
switch.

Terex Fuchs MHL380 D Specifications

General

Brand	Terex
Model	Fuchs MHL380 D
Category	Construction Equipment
Language	English