Maintenance work on the superstructure
8.8 Slewing bearing
13.02.2018
Maintenance manual 3 302 719 en 8 - 55
GMK6300L-1
Access to the
inner ring
The inner ring is attached to the turntable by
the bolts (1).
• Check all 87 bolts (1) from below.
To do this, you must rotate the turntable grad-
ually to gain access to a pair of bolts (1) oppo-
site one another, through the openings (2) in
the carrier.
Selecting the tools
Outer ring
The screw heads (1) are easily accessible for fi
tting a socket wrench.
Therefore, you can use manual or mechanical torque tools (electric or
hydraulic drivers).
Inner ring
The screw head (1) is acce
ssible only via the opening (2). An extension (4)
is required for fitting a socket wrench (3).
A manual torque tool (5) is recom
mended so that it can be tightened gently,
and slipping from the screw head (1) is avoided.
s
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