Emergency Operation, Steering 3Rd Axle Line - Manitowoc Grove GMK4100L-1 Operating Manual

8.5.6
Performing
emergency
operation
Operating manual
GMK4100L-1

Emergency operation, steering 3rd axle line

If there is a warning message in the steering system – lamp (1) lights and
symbol (2) is red – the steering of the 3rd axle line is will be locked. The
3rd axle line can then no longer be steered from the driver's cab or from
the crane cab.
In this case, you can steer the wheels of the 3rd axle line with the emergency
operation to the straight running position in order to enable a drive to the
workshop.
If the current situation allows it, you can slightly lift the mobile crane with
the support to relieve the 3rd axle line.
For the operation, you must
– Take out two fuses.
– Switch on the continuous operation at the check valves.
– Steer the 3rd axle line into the straight running position.
– Switch off the continuous operation at the check valves.
– Insert two fuses.
8.5 Emergency operation and breakdown assistance
Operating elements
•
If need be, lift the counterweight from the
rear counterweight platform.
•
Remove the cover (1).
2 Check valve
3 Valve for the operation
•
Fasten the covering (1) after the emergency
operation.
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Malfunctions in driving mode
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