Manitowoc Grove GMK4100L-1 Operating Manual page 229

Adjusting the
steering column
G
H
Operating manual
GMK4100L-1
The steering column is unlocked pneumatically.
Risk of accidents by unlocked steering column
Always stop the truck crane before you unlock the steering column.
Once the steering column is unlocked you can no longer steer safely.
The steering column can be unlocked only when sufficient supply pressure
has been built up in the secondary consumer circuit;
pressure , p. 5 - 10.
•
Push the (1) button down once. The steering
column is unlocked for about 6 seconds.
•
Move the steering column into the desired
position.
•
Push the button (1) up once.
Or wait until the steering column locks auto-
matically (after approx. 6 seconds).
3 302 690 en
Driving
5.1 Before driving
à
Building up supply
5 - 15