Manitowoc GROVE GMK6400 Maintenance Manual page 280

Maintenance work on the superstructure
8.8 Main boom
Telescopic
sections IV - II
8 - 68
•
Fully retract telescopic section I .
•
Fully extend and retract telescopic section I again so that the grease is dis-
tributed over the slide faces.
•
Observe the following instructions regarding maintenance work.
The following diagrams show the lubrication of the telescopic section IV .
The telescopic sections III and II are lubricated in the same way.
•
Extend telescopic section IV to 100% and telescopic section III to
about 25%.
Lubricating the locking pins
•
Use the grease gun (RHUS 2 AF) to lubricate
the locking pins at the grease nipples (1) on
both sides.
•
Lock and unlock the telescopic section I sev-
eral times, so that the grease is distributed
over the locking pins.
Lubricate the slide faces
•
Use a brush or a roller (PAL1) to lubricate
the outer, upper and outer, lower slide
faces (2).
•
Use the grease gun (PAL1) to lubricate the
upper inner slide faces (3) at the lubricating
nipples (1) on both sides.
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GMK6400