Rigging work
12.6 Rigging/unrigging the counterweight
Operating manual 3 302 819 en 12 - 69
GMK3060
13.12.2018
The Counterweight menu opens.
Errors and warning messages can be shown for
operation.
Extending/
retracting the
lifting cylinders
Extending and retracting is only enabled when:
– both lifting cylinders are in the locked or unlocked position and
– the turntable is locked.
Extending the lifting cylinders
If the lifting cylinders (1) are to moved into the cutouts, then the lifting cylinders
have to be in the (Unlocked) position.
Is the lifting cylinders are in the
Locked position, then you have to:
– lock the superstructure in the
180° to the front position,
– extend the lifting cylinders,
– turn the lifting cylinders into the
Unlocked position; Ã p. 12 - 71,
– retract the lifting cylinders,
– lock the superstructure in the
0° to the rear position.
s
1 Slewing disabled – pre-tension the counter-
weight;
à p. 12 - 70.
2 Contact
Manitowoc Crane Care
3 Turntable unlocked – lock the turntable;
à p. 11 - 18.
4 If the pre-tensioning pressure continues to
drop, the message (1).
S
Risk of damage to the hoist unit
The hoist unit can become damaged by moving the lifting cylinders against the
plate in the
Locked position.
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