Komatsu ecot3 PC300LC-8 Shop Manual page 923

50 Disassembly and assembly
5. Thrust washer
Install thrust washer (13).
6. No.2 sun gear
Install No. 2 sun gear (12).
7. No.1 carrier assembly
1) Assemble No. 1 carrier assembly as fol-
lows.
a Replace thrust washers (7) and (10)
as well as pin (4) with new ones (For
pin (4), see the Step 3] below).
a There are remains of caulking when
the pin is inserted at the end face of
hole (h) at the side of the carrier.
Remove the caulked metal from the
inside diameter of the hole before
starting to assemble.
1] Assemble bearing (9) to gear (8), fit
top and bottom thrust washers (7)
a n d ( 1 0 ) a n d t h e n s e t t h e g e a r
assembly on carrier (6).
2] Align the position of pin holes on the
shaft and carrier, then tap with a plas-
tic hammer to install shaft (5).
a Install the shaft, rotating the plan-
etary gear. Take care so that
thrust washer is not damaged.
PC300, 350-8
3] Insert pin (4).
a When inserting the pin, take care
that the 3 claws (parts (f)) on the
periphery of the pin will not be
placed on the thin parts of the
carrier (parts (g)).
Since the thin parts may be on
the opposite side, confirm them
on each carrier.
If there is a groove, avoid placing
the claws on that groove.
a After inserting the pin, caulk the
pin portion of the carrier.
a After
assembling
assembly, check that gear (8)
rotates smoothly.
2) Install No.2 carrier assembly (3).
SEN02637-02
the carrier
9