Manitowoc Grove GMK 5200-1, Maintenance Manual

Page: 274 / 346

Maintenance work on the superstructure
8.7 Main boom
8 - 50 3 302 746 en Maintenance manual
GMK5200-1
0
9
.0
3.
201
8
•
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.