Komatsu Galeo PC800-8 Shop Manual page 967

50 Disassembly and assembly
Assembly
a 1)
Clean all parts, check for dirt or damage,
and correct all dents and burrs.
2) Coat the bearings and surfaces of all parts
with engine oil before installing.
1. Travel motor assembly
1) Fit O-ring, and using eyebolts [7], install
travel motor assembly (42) to shaft (41).
a The mounting direction for the motor
on the left and right final drive assem-
blies is opposite, so be careful to dis-
tinguish when installing.
2) Turn over travel motor and shaft assembly
and set on block (height: approx. 350 mm).
3) Press fit thrust washer (48) of travel motor.
After press fitting, confirm that thrust
washer (48) is in contact with motor (42).
Press fitting force:
225 – 2,646 N {23 – 270 kgf}
2. No. 1 sun gear
Install No. 1 sun gear (40).
3. No. 1 ring gear
Install No. 1 ring gear (39).
a Set with the side with the cut outside cir-
cumference facing the motor.
4. Spacer
Install spacer (31).
PC800, 850-8
5. No. 1 carrier assembly
1) Assemble No. 1 carrier assembly as follows.
a There are the remains of the caulking
when the pin is inserted at the end
face of hole (h) at the side of the car-
rier, so remove the caulked metal
from the inside diameter of the hole
before starting to assemble.
i) Assemble bearing (38) to gear (35),
put thrust washer (37) in contact with
both ends, then set to carrier (36).
ii) Align position of pin holes of carrier
and shaft, then tap with a plastic ham-
mer to install shaft (34).
a When installing the shaft, rotate
the planetary gear, and be careful
not to damage the thrust washer.
iii) Install pin (33).
a Check that the pin groove and
protruding part of the pin are not
modified. If the pin is defective,
replace it with a new part.
a When assembling the pin again,
avoid the position previously
used for caulking.
a After inserting the pin, caulk the
pin portion (marked by arrows) of
the carrier.
a After assembling the carrier assem-
bly, check that gear (35) rotates
smoothly.
SEN01055-01
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