Manitowoc Grove GMK 4100L-1, Operating Manual

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Malfunctions during crane operation
14.7 Hydraulic emergency operation as per BGR 159
Operating manual 3 302 690 en 14 - 69
GMK4100L-1
2
3
.1
1.
201
7
14.7.8
Performing emergency operation
If the required hydraulic circuit has been established, you can make the
corresponding 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.
s
G
Risk of overturning when slewing in emergency operation!
Crane operations are not monitored by the RCL whilst the hand-held
control is connected!
Various checks are therefore necessary, depending on the active slewing
range type, before slewing in emergency operation;
à
p. 14 - 48.
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
slewing operations.
A: Slewing to the right
B: Slewing to the left