Malfunctions during crane operation
14.7 Hydraulic emergency operation as per BGR 159
14 - 68 3 302 736 en Operating manual
GMK4090
xx.xx.xxxx
14.7.8 Performing emergency operation
If the required hydraulic circuit has been established, you can make the cor-
responding crane movement.
H
You can control the speed of all power units with the control lever.
Slewing It is not possible to control the slewing movements with the control lever for
emergency operation with the same degree of sensitivity as with the control
lever in the crane cab.
• Slowly move the control lever (1) in the
required direction.
G
Risk of overturning when slewing in emergency operation
Crane operations are not monitored by the RCL whilst the hand-held con-
trol is connected.!
Various checks are therefore necessary, depending on the active slewing
range type, before slewing in emergency operation;
à p. 14 - 44.
G
Risk of accidents during slewing
Do not stand on the carrier. This prevents you being pushed off the carrier
or being crushed by the carrier during slewing.
S
Risk of damage to the hoses and transformer
Make sure the hoses do not get caught and torn off while performing slew-
ing operations.
A: Slewing to the right
B: Slewing to the left
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