Komatsu PC88MR-10 Shop Manual page 1146

50 Disassembly and assembly
Power train system
4] Insert pin (19) from No.2 carrier (18a) to
shaft (20).
a Use a new pin (19).
a Insert the edge of narrower pin groove
(b).
a After inserting the pin, caulk 2 places (a)
of the No.2 carrier pin holes.
2) Install No.2 carrier assembly (18) to shaft
and case assembly (3).
3) Install spacer (17).
a Measure distance (c) between the upper end
of No.2 planetary gear (22) and top end of
case (3), and check the press-fitting state of
split collar (25).
Distance (c): 24.8 mm
50-118
5. No.1 carrier and No.2 sun gear assembly
1) Assembly of No.1 carrier and No.2 sun gear
assembly
1] While aligning the pin hole of No.1 carrier
(7a) with shaft (16), tap shaft (16) by
using a plastic hammer, etc. to install the
shaft.
2] Insert pin (15) from No.1 carrier (7a) to
shaft (16).
a Use a new pin.
a Use a new pin (15).
a Insert the edge of narrower pin groove
(b).
a After inserting the pin, caulk 2 places
(a) of the No.1 carrier pin holes.
3] Install No.2 sun gear (8) to No.1 carrier
(7a), and install snap ring (14).
4] Install bearing (12) to gear (11).
5] Install thrust washers (13) and (10) to the
top end and bottom end of gear (11), and
set them to No.1 carrier (7a).
6] Install snap ring (9).
a Use a new snap ring.
a When installing the snap ring, do not
expand the mating clearance larger than
8 mm to prevent the ring from being
deformed.
PC88MR-10