Disassembly And Assembly Of Center Swivel Joint Assembly - Komatsu ecot3 PC300LC-8 Shop Manual

SEN02639-02
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
L
790-101-2540 • Washer
790-101-2630 • Leg
790-101-2570 • Plate
790-101-2560 • Nut
790-101-2650 • Adapter
Disassembly
4
Part name
t 1
1
1
1
1
2
4
2
2
1. Remove cover (1).
1
2. Remove snap ring (2).
3. Using tool L, pull out swivel rotor (4) and ring
(3) from swivel shaft (5).
4. Remove dust seal (6) from cover (7).
5. Remove O-ring (8) and slipper seal (9) from
swivel rotor (4).
Assembly
1. Assemble slipper seal (9) and O-ring (8) to
swivel rotor (4).
2. Install cover (7) to swivel shaft (5).
2
Inside of cover:
3. Install dust seal (6) to cover (7).
2
Lip of dust seal:
4. Set swivel shaft (5) to block, then using push
tool, tap swivel rotor (4) with a plastic hammer
to install.
2
Contact surface of rotor and shaft:
a When installing the rotor, take care not to
damage the slipper seal and the O-ring.
5. Install ring (3) and secure it with snap ring (2).
6. Fit O-ring and install cover (1).
3
Mounting bolt:
50 Disassembly and assembly
Grease (G2-LI) (Apply 2 – 3 cc)
Grease (G2-LI) (Apply 2 – 3 cc)
Grease (G2-LI)
31.4 ± 2.9 Nm {3.2 ± 0.3 kgm}
PC300, 350-8