Driving
5.1 Before driving
Operating manual GMK 6400 3 112 993 en 5 - 15
12.07.2013
Switching on the
suspension
The suspension cylinders are enabled when the suspension is switched on.
This state must be established for on-road driving.
• Press the (2) button once – dot is green.
When the suspension is switched on, the (1) symbol is green.
When the (1) symbol stays red, the supply pressure may be too low. In this
case the suspension would only be switched on if sufficient supply pressure
is built up;
à Building supply pressure, p. 5 - 9.
Switching off the
suspension
The suspension cylinders are locked when the suspension is switched off.
This state is only intended for crane operation.
• Press the (2) button once – dot is black.
When the suspension is switched off, the (1) symbol is red.
G
Danger of overturning when switching on the suspension
Only switch on the suspension when the truck crane has been rigged for
on-road driving and the main boom has been set down.
Were the rigged truck crane on wheels, the suspension struts would be
suddenly pushed together when the crane was switched on, causing them
to be damaged and possibly causing the truck crane to overturn.
S
Risk of damage to the axle lines
Always switch on the suspension for on-road driving.
The axle lines may become damaged and the steering behaviour may
change if the suspension is switched off.
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