Komatsu PC88MR-10 Shop Manual page 1115

4. Removal of cover
1) Invert travel motor assembly (1a) so that the
final drive faces upward.
2) Remove ring (45).
3) Set jig [13], and install bolts [3a] (2 pieces).
a Use the screw holes where flanged plug
(33) and plug (39) were removed. (For
details, see ""Component parts figure"".)
4) Set block [4a], tighten bolt [5a], and remove
cover (13).
a If it is difficult to remove cover (13) due to
resistance of O-ring (35), remove it while
lightly tapping the boundary of cover (13)
by using a plastic hammer. (For details,
see ""Component parts figure"".
5) Remove O-ring (35) of cover (13). Do not
reuse the O-ring. (For details, see
""Component parts figure"".
PC88MR-10
50 Disassembly and assembly
5. Removal of No.1 sun gear
1) Remove No.1 sun gear (4).
2) Remove ball (41) from No.1 sun gear (4).
6. Removal of carrier assembly
1) Remove the carrier assembly from hub (1).
2) Disassembly of carrier assembly
1] Remove bolts (40) (3 pieces), and
remove No.1 thrust washers (12) (3
pieces).
a Do not reuse removed bolts (40).
2] Remove No.1 planetary gears (5) (3
pieces), needle bearing cage (27) (3
pieces), and inner bearings (29) (3
pieces) from carrier (3)
3] Remove snap ring (50) from No.2 sun
gear (6).
Power train system
50-87