Driving
5.7 Towing a trailer
Operating Manual GMK6300L 3 112 xxx en 5 - 87
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5.7 Towing a trailer
When towing a trailer, a towbar coupling is fitted to the back of the carrier.
Please observe the permissible trailer load of your truck crane.
H
Before coupling the trailer, adjust the towbar to the height of the towbar
coupling.
H
Please observe the relevant national regulations regarding coupling and
uncoupling of the trailer.
Effects on the
axle loads
Observe the effects on the axle loads when towing a trailer. The axle loads
of your truck crane change in the following manner when operating with
central axle trailers:
– For every 100 kg (220 lbs) of drawbar load, the axle loads on the 1st and
2nd axle lines are reduced by 36 kg (80 lbs).
– For every 100 kg (220 lbs) of drawbar load, the axle loads on the 3rd and
6th axle lines are reduced by 43 kg (95 lbs).
s
G
Risk of accidents by trailer moving unintentionally!
Before coupling or uncoupling the trailer, it must be secured with the trailer
parking brake as well as with chocks to prevent it from rolling away. Ensure
that it is still possible to swivel the front axle of the trailer.
G
Risk of accidents when coupling the trailer!
No one may be between the truck crane and trailer when coupling the two
vehicles.
G
Risk of accidents from unexpected acceleration!
When you move slowly to the trailer, the transmission automatically shifts
into manoeuvring mode. If the warning buzzer sounds, release the acceler-
ator immediately.
If you do not release the accelerator, the electronics will engage
automatically within a few seconds. The truck crane could accelerate unex-
pectedly and people might be crushed between the trailer and the truck
crane.
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