Manitowoc Grove GMK 5200-1 Maintenance Manual page 247

Selecting the tools
Torques
Screw type
Ball slewing bearing
Bearing type: KDV, single-row
M 27 x 155: 96 pieces on the outer ring
M 27 x 155: 95 pieces on the inner ring
Maintenance manual
GMK5200-1
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.
GROVE part number
04192540 or 03246884
Model plate: Inside the inner ring.
04170754
04170754
3 302 746 en
Maintenance work on the superstructure
8.5 Slewing bearing
Torque
Nm (lbf ft)
1150 (848)
1150 (848)
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