Manitowoc Grove GMK 5250L Maintenance Manual

Maintenance work on the superstructure
8.7 Main boom
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GMK5250L
09.03.2018
• Extend the telescopic section I to 56%.
• Use the grease gun (PAL1) to lubricate the
upper inner slide faces at the lubricating nip-
ples (1) on both sides.
• Fully retract telescopic section I.
• Fully extend and retract telescopic section I
again so that the grease is distributed over
the telescope slide faces.
Telescopic section
II - VI
• Observe the following instructions regarding maintenance work.
The following diagrams show the lubrication of the telescopic section VI.
The telescopic sections V, IV, III, II are lubricated in the same way.
• Extend the telescopic section VI 100% and
the telescopic section
V approx. 25%.
• Use a brush or a roller (PAL1) to lubricate
the outer, upper and outer, lower slide
faces (3).
• Use the grease gun (PAL1) to lubricate the
upper inner slide faces at the lubricating nip-
ples (1) on both sides.
• Use the grease gun (RHUS SW 2) to lubri-
cate the locking pins at the lubricating nip-
ples (2) on both sides.
• Lock and unlock the telescopic section VI
several times, so that the grease is distrib-
uted over the locking pins.

Manitowoc Grove GMK 5250L Specifications

General

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