Maintenance work on the superstructure
8.5 Slewing bearing
09.03.2018
Maintenance manual 3 302 744 en 8 - 23
GMK5250L
Selecting the tools
Outer ring
The screw heads (1) are easily accessible for fitting a socket wrench. There-
fore, you can use manual or mechanical torque tools (electric or hydraulic
drivers).
Inner ring
The screw head (1) is accessible only via a rectangular, long, narrow open-
ing (2). An extension (4) is required for fitting a socket wrench (3).
A manual torque tool (5) is recommended so that it can be tightened gently,
and slipping from the screw head (1) is avoided.
Torques
Screw type GROVE part number Torque
Nm (lbf ft)
Ball slewing bearing
Bearing type: KDV, single-row
04192540 or 03246884
Model plate: Inside the inner ring.
M 27 x 155: 96 pieces on the outer ring 04170754 1150 (848)
M 27 x 155: 95 pieces on the inner ring 04170754 1150 (848)
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