Maintenance work on the superstructure
8.11 Main boom
16.08.2018
Maintenance manual 3 302 577 en 8 - 93
GMK7450
Telescopic
section
II
• Retract all telescopic sections.
• Enter the RCL rigging code for the current rigging mode of the truck crane.
• Telescope telescopic section II to the first locking position (44%) and
lock it.
• Override the RCL,
To do this, turn the Override key-operated switch to the right.
• Extend telescopic section I to approx. 88% until the lubricating hole for
telescopic section
II can be reached in the top chord.
• Use the grease gun (PAL1) to lubricate the upper slide faces at the lubri-
cating nipples (1) on both sides.
• Fully retract telescopic section I.
• Turn off the RCL override.
• Fully extend telescopic section II.
• Use a brush or a roller (PAL1) to lubricate the outer upper and lower slide
faces of telescopic section
II .
• Extend and retract telescopic section II again so that the grease is distrib-
uted uniformly on the telescopic slide faces.
• Retract telescopic section II.
Telescopic
secti
on
I
• Retract all telescopic sections.
• Enter the RCL rigging code for the current rigging mode of the truck crane.
• Telescope telescopic section I to 100% and lock it.
You can now reach the lubricating nipples (1) via the front lubricating hole
in
the top chord of the basic section.
• Use the grease gun (PAL1) to lubricate the upper slide faces at the lubri-
cating nipples (1) on both sides.
• Use a brush or a roller (PAL1) to lubricate the outer upper and lower slide
faces of telescopic section
I .
• Retract and extend telescopic section I again so that the grease is distrib-
uted uniformly on the telescope slide faces.
• Retract telescopic section I.
s
To Next Page
Loading...
Need help?
General
