Manitowoc Grove GMK 5250L User Manual

Operating elements for crane operation
8.2 Brief description of the operating elements
8 - 106 3 302 633 en Operating Instructions GMK5250L
27.09.2017
Automatic mode rigging
The superstructure is within the rigging range, the slewing gear is switched
on and the lifting cylinders are retracted
Automatic mode unrigging
The superstructure is within the rigging range and the slewing gear is
switched on
– Display Yellow: Recognition that the counterweight is rigged
Flashing: Automatic mode on
Grey Automatic mode cancelled or
No recognition that counterweight is rigged
– Switch on: Select symbol and confirm – symbol flashes yellow
– To execute: Move control lever for slewing gear, automatically:
– Slewing in position
Move lifting cylinders
– Extend lifting cylinders,
move the control lever for slewing gear in indicated
direction, automatically:
– Turn to position
Lift/lower counterweight,
– Lift counterweight,
– Pre-tension counterweight.
Automatic mode ends – symbol yellow
à p. 11 - 87
– Display Yellow: Recognition that the counterweight is
unrigged
Flashing: Automatic mode on
Grey Automatic mode cancelled or
no recognition that the counterweight is
unrigged
– Switch on: Select symbol and confirm – symbol flashes yellow
– To execute: Move control lever for slewing gear, automatically:
– Turn to position
Lift/lower counterweight,
– Lower the counterweight,
move the control lever for slewing gear in indicated
direction, automatically:
– Turn to position
Move lifting cylinder,
– Retract the lifting cylinders,
Automatic mode ends – symbol yellow
à p. 11 - 89

Manitowoc Grove GMK 5250L Specifications

General

Brand	Manitowoc
Model	Grove GMK 5250L
Category	Construction Equipment
Language	English