Disassembly And Assembly Of Center Swivel Joint Assembly - Komatsu PC210-8 Shop Manual

UEN00663-02
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
1. Remove elbow (1), (2) and tee (3).
2. Remove cover (4).
3. Remove snap ring (5) and ring (6).
4
Part name
q 1
1
1
1
1
2
4
2
2
50 Disassembly and assembly
4. Using tool T1, pull out swivel shaft (7) from
swivel shaft (8).
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 elbow (1), (2) and tee (3).
3
Elbow (1): 128 – 186 Nm {13 – 19 kgm}
3
Elbow (2), tee (3):
Grease (G2-LI)
35 – 63 Nm {3.2 – 6.5 kgm}
PC210, 230, 240-8