Manitowoc GROVE GMK6400

Maintenance work on the superstructure
8.8 Main boom
8 - 68 3 302 756 en Maintenance manual
GMK6400
16.11.2018
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.
• Fully retract telescopic section I.
• Fully extend and retract telescopic section I again so that the grease is dis-
tributed over the slide faces.
Telescopic
sections
IV - II
• 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%.
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.