Manitowoc Grove GMK6300L Operating Manual page 459

H
Correction sheet GMK6300L/GMK6300L-1
Hydraulic emergency operation
Additional switches required
Contrary to the specifications in the operating manual supplied, the valve 7, if
present, can also be closed for the crane movements Lifting and Lowering .
This increases the hoist speed.
Always close the valve 7 in addition to all other switches that are specified
in the operating manual supplied for the movements Lifting and Lowering .
(A) – For lifting and lowering in emergency
operation
•
Close the valve 7 – lever (1) at right angles
to the line.
(B) – For crane operation
•
Open the valve 7 – lever (1) parallel to
the line.
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