Manitowoc Grove GMK 5200-1, Maintenance Manual

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Maintenance work on the superstructure
8.5 Slewing bearing
0
9
.0
3.
201
8
Maintenance manual 3 302 746 en 8 - 23
GMK5200-1
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)