Malfunctions during crane operation
14.6 Hydraulic emergency operation with the hand pump
14 - 52 3 302 709 en Operating manual
GMK5150L
12.01.2018
14.6.2 Switching over the crane's hydraulic system
H
If you wish to move the hoist during emergency operation, you can open tap
4 at the beginning of the operation – as described in this section – this leads
to the elimination of this step later during emergency operation. This does
not affect the emergency operation of the other power units.
For crane operation
• Open the valve (4) and secure it using the
lock (2).
• Close the valve (5) and secure it using the
lock (1).
For emergency operation
• Take off the lock and close the valve (4).
• Take off the lock and open the valve (5).
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