Checklist: Unrigging The Counterweight - Manitowoc Grove GMK4100L-1 Operating Manual

Rigging work
12.9 Rigging/unrigging the counterweight
12.9.6
H
G
12 - 78

CHECKLIST: Unrigging the counterweight

This checklist is not a complete operating manual. There are accompanying
operating instructions which are indicated by cross-references.
Observe the warnings and safety instructions specified here!
Danger of overturning when slewing with a rigged counterweight
Before slewing with the rigged counterweight, check whether slewing is
permissible with the rigged outrigger span or with the truck free on wheels;
à
Slewing with rigged counterweight , p. 12 - 97.
1. The truck crane is stabilised with the outrigger span required for crane
work according to the Load capacity chart . Enabled outrigger spans
– For the Standard slewing range type;
– For the MAXbase slewing range type;
2. Slew the superstructure into the 180° to the forwards position and lock it;
à
Braking the slewing movement , p. 11 - 119
à
Locking/unlocking the superstructure , p. 11 - 15.
3. Unlock the rear counterweight platform
4. – Open Counterweight menu;
– Correct the rigging mode, if necessary;
– Use the automatic system to lower the counterweight on to the
counterweight platform;
à
p. 12 - 89.
3 302 690 en
à
p. 12 - 30
à
p. 12 - 34
à
p. 12 - 95
à
p. 12 - 87,
Operating manual
GMK4100L-1