Komatsu PC200-8M0, Shop Manual, Page: 1023 / 1254

SEN06144-00
PC200, 200LC, 220, 220LC-8M0 50-300
7
300 Power train
Disassembly and assembly of final drive assembly
Assembly
a
Clean the parts completely and inspect them
for any foreign material or damage. Apply
power train oil (
TO30 ) on the sliding surfaces
before assembly.
1. Hub assembly
1) Use push tool to press fit bearing outer
races (29) and (30) into hub (28).
2) Use the tool J3 to install floating seal (32).
a
Install floating seal with the O-ring
and O-ring contact surface degreased
and dried completely.
a
After installing the floating seal, check
that the angle of the floating seal is
within 1 mm.
a
After floating seal installation, apply a
thin coat of power train oil (
TO30 ) on
the sliding surfaces.
2. Install bearing (34) to travel motor (31).
a
Warm the inner race of the bearing (34) to
50 – 70°C with heater.
a
Cool the bearing (34) down. Tap the bear-
ing (34) with a drift and listen to the sound
to check that it is fully seated.
3. Use the tool J3 to install floating seal (33) to
travel motor (31).
a
Install floating seal with the O-ring and O-
ring contact surface degreased and dried
completely.
a
After installing the floating seal, check that
the angle of the floating seal is within 1
mm.
a
After floating seal installation, apply a thin
coat of power train oil (
TO30 ) on the slid-
ing surfaces.
4. Using eyebolts [2], set hub assembly (26) to
travel motor.
5. Install bearing (27) by tapping it lightly with the
push tool.