Driving
5.4 Off-road driving
Operating manual 3 302 690 en 5 - 51
GMK4100L-1
23.11.2017
5.4.2 Longitudinal and transverse differential locks
– The longitudinal differential locks prevent individual axle lines spinning
when driving on a slippery surface. With the 8 x 8 x 8 drive, the 2nd axle
line drive is switched on and off.
– The transverse differential locks prevent individual wheels spinning when
driving on a slippery surface.
For switching on and off, the current speed needs to be under
approx. 5 km/h (3 mph).
• Open the Driving (1) menu.
• Straighten the steering.
• Stop the truck crane.
The symbols (1) and (2) indicate the current switching state and have the
same colour.
Switching on
• Select and confirm the symbol (1) for the
– Longitudinal differential locks (A) or
– Transverse differential locks (B).
• Start moving slowly – display:
– first symbol (2) – yellow, then symbol (3) –
red, differential locks on.
s
S
Risk of damage to the differential locks
Leave the transverse differential locks switched on only for as long as nec-
essary. Always switch off the transverse differential locks before driving on
a firm surface
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