Disassembly And Assembly Of Swing Motor And Swing Machinery Assembly - Komatsu ecot3 PC300LC-8 Shop Manual

SEN02637-02
Disassembly and assembly of
swing motor and swing machinery
assembly
Special tools
Part number
1 796T-626-1110
3 790-201-2480
790-101-5401
E 790-101-5521
4
790-101-5421
01010-51240
5 793T-815-1110
Disassembly
1. Oil drain
Loosen the drain plug and drain oil from the
swing machinery case.
6
Swing machinery: 13.4 l
2. Swing motor assembly
1) Set the swing motor and swing machinery
assembly on block [1].
2) Remove the 6 mounting bolts to remove
swing motor assembly (1).
12
Part name
q 1
Push tool
t 1
Push tool
q 1
Push tool kit
• Plate 1
• Grip 1
• Bolt 1
t
Push tool
3. No.1 sun gear
Remove No. 1 sun gear shaft (2).
1
Q
4. No.1 carrier assembly
Q
1) Remove No.1 carrier assembly (3).
2) Disassemble No. 1 carrier assembly as
follows. Remove snap ring (4) first, and
then remove shaft (5), gear (6), bearing
(7), thrust washer (8) and plate (9).
50 Disassembly and assembly
PC300, 350-8