Maintenance work on the superstructure
8.11 Main boom
16.08.2018
Maintenance manual 3 302 577 en 8 - 87
GMK7450
Telescopic
section
I
• Mechanically lock the telescopic section I at
a fixed length of 44%.
You can now access the locking pins (1)
from the outside.
Lubricat
ing the locking pins
• Spray oil around the gap (1).
• Lubricate the locking pins on the opposite
side in the same way.
• Distribute the oil by locking and unlocking
the telescopic section several times.
s
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