Lubricating The Sheaves; Checking The Locking System - Manitowoc Grove GMK 4100L-1 Maintenance Manual

Maintenance work on the superstructure
8.7 Main boom
8.7.3
8.7.4
G
8 - 50

Lubricating the sheaves

Have damaged, worn, stiff or extremely soiled sheaves replaced by
Manitowoc Crane Care

Checking the locking system

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
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.
•
Have the main boom locking system checked regularly by
Manitowoc Crane Care
•
Check all sheaves (1) on the main boom
head for damage, wear, mobility and heavy
soiling.
or an authorised GROVE dealer or your repair crew.
or an authorised GROVE dealer.
or an authorised GROVE dealer.
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Maintenance manual
GMK 4100L-1