Disassembly And Assembly Of Center Swivel Joint Assembly - Komatsu PC200-8M0 Shop Manual

SEN06146-00
Disassembly and assembly of
center swivel joint assembly
Special tools
Part number
790-101-2501 Push puller
790-101-2510 • Block
790-101-2520 • Screw
791-112-1180 • Nut
T1 790-101-2540 • Washer
790-101-2630 • Leg
790-101-2570 • Plate
790-101-2560 • Nut
790-101-2650 • Adapter
Disassembly
4
50-500

Disassembly and assembly of center swivel joint assembly

1
Part name
q 1
1
1
1
1
2
4
2
2
1. Remove elbows (1), (2) and tee (3).
2. Remove cover (4).
3. Remove snap ring (5) and ring (6).
4. Using tool T1, pull out swivel shaft (8) from
swivel rotor (7).
5. Remove seal (9) and O-ring (10) from swivel
rotor (7).
6. Remove dust seal (11) from cover (12).
Assembly
a See figure at left.
1. Install seal (9) and O-ring (10) to swivel rotor
(7).
2. Install dust seal (11) to cover (12).
3. Install cover (12) to swivel shaft (8).
4. Set swivel shaft (8) to block, then using push
tool, tap swivel rotor (7) with a plastic hammer
to install.
2
Contact surface of rotor, shaft:
a When installing rotor, be extremely careful
not to damage the dust seal and O-ring.
5. Install ring (6) and fix with snap ring (5).
6. Fit O-ring and install cover (4).
3
Mounting bolts:
31.4 ± 2.9 Nm {3.2 ± 0.3 kgm}
7. Install elbows (1), (2) and tee (3).
3
Elbow (1): 128 – 186 Nm {13 – 19 kgm}
3
Elbow (2), tee (3):
PC200, 200LC, 220, 220LC-8M0
500 Hydraulic system
Grease (G2-LI)
35 – 63 Nm {3.5 – 6.5 kgm}