Manitowoc Grove GMK 5250L User Manual

Malfunctions in driving mode
7.4 Troubleshooting
7 - 22 3 302 633 en Operating Instructions GMK5250L
27.09.2017
7.4.5 Malfunctions of the steering
Malfunction Cause Remedy
Steering wheel hard to
turn, grating noises when
steering
Oil level in the hydraulic oil
tank too low
Check the hydraulic oil
level;
à Maintenance
Manual
.
Symbol
d or e is red Oil level in the hydraulic oil
tank too low
Stop and check whether oil
has run out
à If oil has escaped, p. 5 - 36
à If no oil has escaped,
p. 5 - 36
Steering circuit has failed,
e. g. pump faulty
Symbols
d and e are red Both steering circuits have
failed
The truck crane cannot be
driven any further, since it
can no longer be steered!
Separate steering cannot
be activated
Current speed over approx.
5 km/h (3 mph)
Slow down or stop the
truck crane
Separate steering cannot
be switched off
Current speed over approx.
5 km/h (3 mph)
Separate steering not
working
Fuse F7/1, F7/2 or F7/3
blown
Replace blown fuses;
à p. 7 - 38
Separate steering not
working and the
CCS
display shows an error
message
CCS malfunction Note the error code
(à p. 7 - 11) and notify
Manitowoc Crane Care

Manitowoc Grove GMK 5250L Specifications

General

Brand	Manitowoc
Model	Grove GMK 5250L
Category	Construction Equipment
Language	English