Maintenance work on the superstructure
8.7 Main boom
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GMK5200-1
09.03.2018
• Extend the telescopic section I to 50%.
• 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-V
• Observe the following instructions regarding maintenance work.
The following diagrams show the lubrication of telescopic section V.
The telescopic sections IV, III, II are lubricated in the same way.
• Extend telescopic section V to 100% and
telescopic section
IV to 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 telescopic section V several
times, so that the grease is distributed over
the locking pins.