Manitowoc Grove GMK4100L-1 Operating Manual page 833

Operating manual
GMK4100L-1
Correct the rigging mode
•
You can use the automatic mode only if the
current rigging mode is displayed.
A Counterweight rigged
B Counterweight unrigged
If necessary, correct the displayed rigging
mode as follows:
•
Slew the superstructure out of the rigging
range so that the lifting cylinders can be
freely extended.
Assuming the symbol (4) is yellow with the
counterweight unrigged.
•
Press the override button (3) in at the top.
•
(A) – Fully extend the lifting cylinders –
symbol (1).
•
Release the override button (3).
•
(B) – Fully retract the lifting cylinders –
button (2).
The symbols (4) become green.
You can now use the automatic mode.
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12.9 Rigging/unrigging the counterweight
Rigging work
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