Manitowoc Grove GMK 4100L-1 Maintenance Manual page 7

Head – variants
Check/lubricate
the head
Additional pages for maintenance manual
GMK 4100L-1
Two different variants of the head can be fitted depending on the truck crane
equipment.
Type (A) – The connecting link (1) slides on
the head (2) on metal surfaces.
Type (B) – The connecting link (1) slides on
the head (2) over six plastic wear
pads (3).
•
Check whether type (A) or type (B) is
installed on your truck crane.
Disconnect the locking cylinder
•
Pull out the pin (2) and disconnect the
locking cylinder (1) from the connecting
link (3).
This allows the connecting link (3) to be
manually moved to both end positions.
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