Malfunctions in driving mode
8.5 Emergency operation and breakdown assistance
8 - 40 3 302 709 en Operating manual
GMK5150L
12.01.2018
Performing
emergency
operation
If the current situation allows it, you can slightly lift the mobile crane with
the support to relieve the 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.
– Take out two fuses.
Take out fuses
You must take out two fuses before the emergency operation so that the
steering system electronics is deactivated.
• Turn off the ignition.
• Take the fuses F2/4 and F2/5 out; à Fuses in the driver's cab, p. 8 - 50.
• Take the fuse F10 out; à Fuses in the battery box, p. 8 - 56.
Check valves – switch on continuous
operation
– For the 3rd axle line
• Always switch on the continuous opera-
tion for all valves (1).
– For the 4th axle line
• Always switch on the continuous opera-
tion for all valves (2).
• (A) – Remove the nut (3).
• Remove the magnets (4).
• Mark the magnet in such a way that you can
put it back on the corresponding valve later.
• (B) – Turn the nut (3) as far as possible on the
valve (5) – do not tighten the nut.
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