Manitowoc GROVE GMK4090 Maintenance Manual

Maintenance work on the superstructure
8.7 Main boom
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GMK4090
07.12.2017
8.7.3 Lubricating the sheaves
• Check all sheaves (1) on the main boom
head for damage, wear, mobility and heavy
soiling.
Have damaged, worn, stiff or extremely soiled sheaves replaced by
Manitowoc Crane Care or an authorised GROVE dealer or your repair crew.
8.7.4 Checking the locking system
• Have the main boom locking system checked regularly by
Manitowoc Crane Care or an authorised GROVE dealer.
M 3
M 12
G
Risk of accidents if maintenance work is not carried out
Have the maintenance work on the main boom locking system performed
regularly by
Manitowoc Crane Care or an authorised GROVE dealer.
This prevents the complete unlocking of a telescopic section in Emergency
operation/Emergency program mode, which could cause serious accidents
and damage to the truck crane.

Manitowoc GROVE GMK4090 Specifications

General

Brand	Manitowoc
Model	GROVE GMK4090
Category	Construction Equipment
Language	English