Malfunctions in driving mode
8.5 Emergency operation and breakdown assistance
Operating manual 3 302 690 en 8 - 29
GMK4100L-1
23.11.2017
8.5.3 Towing the truck crane
Observe the following if the truck crane has to be towed away:
– The truck crane may only be towed away with a tow-rod. Attach the tow-
rod to the tow-rod coupling on the front bumper.
– Be sure to observe the statutory regulations of the country in which you
are working concerning the overall length of the towing and towed
vehicle, including tow-rod.
– If the engine, steering and service brake still work, you can tow the truck
crane with a lorry.
– If the engine, steering or service brake no longer function properly, the
truck crane must be towed with a special breakdown truck.
The front towing coupling is designed for a maximum tractive force of 10 t
(22,000 lbs). Tensile force may be applied only forwards or at an angle of 45°
to both sides of the longitudinal axis of the truck crane.
In the case of
engine/
transmission
damage
The following information only applies to towing the truck crane out of the
immediate hazard area in the event of damage to the engine or
transmission.
Compressed-air
supply
If the engine fails, the truck crane must be supplied with compressed air by
the tractor-vehicle so that the brake system is still operable.
s
S
Risk of accidents and damage when towing the truck crane long distances
Tow the truck crane at a maximum speed of 7 km/h (4 mph) and for a
distance of max. 100 m (330 ft). For longer distances, additional measures
must be taken, refer to
Manitowoc Crane Care.
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