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4
SLEW SYSTEM
DISASSEMBLY AND ASSEMBLY
Removing the slew bearing
1. Slew bearing
1. Remove the hoe attachment.
“Removing the hoe attachment”
2. Remove the upper frame.
3. Remove the inner race fixing bolts.
Bolt: ThreeBond #1324
Bolt: 256 N·m
4. Suspend the slew bearing and remove it.
Slew bearing: 84 kg
Installing the slew bearing
For installation of the slew bearing, follow the same proce-
dure as for removal in the reverse order.
• When installing the slew bearing on the upper frame, be
sure to position the reamer bolts and the grease holes
as shown in the figure.
• Apply grease to the inner teeth of the slew bearing.