Maintenance work on the superstructure
8.8 Slewing bearing
16.08.2018
Maintenance manual 3 302 577 en 8 - 57
GMK7450
Selecting the tools
Outer ring
The screw heads (1) are easily a
ccessible for fitting a socket wrench. There-
fore, you can use manual or mechanical torque tool
s (electric or hydraulic
drivers).
Inner ring
The screw head (1) is a
cce
ssible only
via the opening (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
s
Screw type GROVE part number Torque
Nm (lbf ft)
Roller sle
wing bearing
Bearing type: RDV, three rows
03319920
Model plate: Inside the inner ring.
M 30 x 165: 96 pieces on the outer ring 04170757 1,560 (1,150)
M 30 x 195: 96 pieces on the inner ring 04170756 1,560 (1,150)
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