9-14
［
4
10. Put valve casing (1) on the top of the swing motor so
that positioning pins (4) of valve casing (1) align with
the holes of valve plate (3).
11. Push valve casing (1) into the swing motor by hand
and fix it with three mounting bolts (B).
12. Hang the wire rope on the arm end.
13. Tow the wire rope hung from the arm end by a
towing machine to make the machine swing slowly.
SWINGING MACHINE
The machine is in a very dangerous condition because it can move unintentionally due to release of the swing
brake.
Check that the swing radius of the machine is clear of people and then start swinging the machine.
14. After repairing the machine, assemble the removed parts as they were before.
Tightening torque
Valve casing mounting bolt: 333N·m(246lbf·ft)
• Do not damage the valve casing. It may cause oil leakage.
• Prevent contamination of the removed parts. Intrusion of dust may cause a failure of the machine.
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