Swing Machinery Assembly; Disassembly - Komatsu PC58UU-3 Shop Manual

DISASSEMBLY AND ASSEMBLY
12
DISASSEMBLY OF SWING MACHINERY ASSEMBLY
Prepare an oil pan and drain the oil from the
the swing machinery case before disassem-
bly.
Amount of oil in the case: 1.3 liters
1. Place the swing motor and swing machinery
assembly on the block.
Remove 5 bolts from swing motor assembly
(1), and remove the motor assembly.
2. Remove No. 1 sun gear (2) and No. 1 plane-
tary gear carrier assembly (3).
30-42
2

SWING MACHINERY ASSEMBLY

Disassemble No. 1 planetary gear carrier assem-
bly (3).
3. Using snap ring pliers. Remove 3 snaps (4), 3
thrust washers (5), 3 planetary gears (6), 3
needle bearings and 3 thrust washers, and
thrust plate (7).
4. Use a hammer and insert the stopper pin into
the carrier of shaft (8), and remove 3 shafts
from carrier (3).
Remove shaft (8) first, then remove the
pin from the shaft.
PC58UU-3