Disassembly And Assembly Of Center Swivel Joint Assembly - Komatsu PC130-8 Shop Manual

SEN04130-01
Disassembly and assembly of
center swivel joint assembly
Special tools
Sym-
Part No.
bol
790-101-2501 Push puller
790-101-2510 • Block
790-101-2520 • Screw
790-101-2540 • Washer
791-112-1180
T1 • Nut
790-101-2630 • Leg
790-101-2570 • Washer
790-101-2560 • Nut
791-112-2650
• Adapter
Disassembly
1. Remove cover (1).
2. Remove snap ring (2).
3. Using tool T1, pull out swivel rotor (4) and ring
(3) from swivel shaft (5).
4. Remove O-rings (6) and slipper seals (7) from
swivel shaft (5).
4
Part name
q 1
1
1
1
1
2
4
2
2
1
Assembly
1. Fit slipper seals (7) and O-rings (6) to swivel
rotor.
2. Set swivel shaft (5) to block, then fit it by using
push tool and hitting swivel rotor (4) lightly with
plastic hammer.
2
Contact surfaces of rotor and shaft
a When installing the rotor, take care not to
damage the slipper seals and O-rings.
3. Install ring (3) and secure with snap ring (2).
4. Fit O-ring and install cover (1).
3
Swivel joint mounting bolt :
50 Disassembly and assembly
: Grease (G2-LI)
31.3 ± 2.9 Nm {3.2 ± 0.3 kgm}
PC130-8