Driving
5.7 Towing a trailer
5 - 80 3 302 633 en Operating Instructions GMK5250L
27.09.2017
Removing
supply lines
• Proceed as follows:
– First disconnect the hose of the supply
line from the red coupling head (1) – red.
Now the trailer is braked.
– Then disconnect the hose of the brake
pipe from the yellow coupling head (4) –
yellow.
• Remove the plug (5) of the trailer electrical
system from the socket.
• If necessary, remove the plugs (2) and (3)
from the sockets (ABS and special fittings).
Uncoupling
the trailer
• Use the trailer service brake and chocks
as prescribed to prevent the trailer from
rolling.
• Open the towbar coupling.
Push the lever (1) up until it latches into
place.
• Drive the truck crane carefully away from
the trailer.
G
Risk of accidents due to trailer moving unintentionally!
Always first remove the hose from the supply line so that the trailer is
braked. This prevents the trailer from moving when you remove the brake
hose.
G
Risk of injury when the automatic closing device is triggered!
Never put your hand into the coupling jaw when the towbar coupling is
open.
This prevents the coupling from closing automatically, and the cotter pin
causing serious injury to your hand.
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