Driving
5.1 Before driving
Operating manual GMK 6400 3 112 993 en 5 - 13
12.07.2013
Adjusting the
steering column
The steering column is unlocked pneumatically.
H
The steering column is only unlocked when sufficient supply pressure is
available;
à Building supply pressure, p. 5 - 9.
• Press the (1) button down once. The steering
column is unlocked for approx. 6 seconds.
• Bring the steering column into the desired
position.
• Press the (1) button up once.
Or wait until the steering column is locked
automatically (after about 6 seconds).
G
Risk of accident by unlocked steering column
Always stop the truck crane before you unlock the steering column.
You can no longer steer safely after unlocking the steering column.