Disassembly And Assembly Of Swing Machinery Assembly - Komatsu Galeo PC138US-8 Shop Manual

SEN02711-00
Disassembly and assembly of
swing machinery assembly
Special tools
Sym-
Part No.
bol
1 790-201-2750 Spacer
790-101-5201 Push puller (Kit)
790-101-2510 • Block
790-101-2550 • Leg
790-101-2560 • Nut
790-101-2570 • Plate
2
790-101-3101 Bearing puller
Puller
790-101-4200
(294 kN {30 ton})
Hydraulic oil
790-101-1102
F
pump
790-101-5401 Push tool (Kit) (C) q 1
790-101-5461 • Plate
790-101-5441 • Plate
3
790-101-5421 • Grip
01010-51240
• Bolt
4 790-201-2850 Spacer
5 790-201-2750 Spacer
796T-426-1140 Push tool
6
790-201-2680 Plate
Disassembly
1. Oil drain
Remove the drain plug and drain oil from the
swing machinery.
6
Swing machinery case: 2.5 l l l l
2. Swing motor assembly
1) Remove oil level pipe (1).
2) Remove hose (2).
3) Remove 15 swing motor mounting bolts
(3).
6
Part name
t 1
q 1
1
1
2
4
q 1
q 1
q 1
1
1
1
1
t 1
t 1
t 1
q 1
1
4) Disconnect swing motor assembly (4)
using forcing screw [1].
5) Lift and remove swing motor assembly (4).
3. Carrier No. 1 and Sun gear No. 2 assembly
1) Remove sun gear No. 1 (5).
2) Remove carrier No. 1 and sun gear No. 2
Q
assembly (6).
50 Disassembly and assembly
PC138US, USLC-8