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4
SLEW SYSTEM
DISASSEMBLY AND ASSEMBLY
Removing the swivel joint
1. Swivel joint
2. Stopper
1. Remove the upper frame.
“Removing the upper frame”
2. Disconnect the hydraulic hoses from the hub side of
the swivel joint (1).
3. Remove the swivel joint fixing bolts.
Bolt: ThreeBond #1324
Bolt: 102 N·m
4. Suspend the swivel joint (1) and remove it.
Installing the swivel joint
For installation of the swivel joint, follow the same proce-
dure as for removal in the reverse order.
• When installing the swivel joint, tighten it temporarily
with the fixing bolts, and then center the swivel joint by
using a dial gauge.
• Adjust the centering so that the deviation from the cen-
ter is within 0.25 mm.
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