Komatsu ecot3 PC300LC-8 Shop Manual page 920

SEN02637-02
Assembly
a Clean all parts and check for dirt or damage.
Coat the sliding surfaces of all parts with
engine oil before installing.
1. Hub assembly
1) Using the push tool, press-fit bearings (27)
and (28) to hub (29).
2) Use tool D3 to install floating seal (26).
a Remove all oil and grease from the
O-ring and O-ring contact surface and
dry up these sections before installing
the floating seal.
a After installing the floating seal, check
that the angle of the floating seal is
within 1 mm.
a After installing the floating seal, coat
the sliding surface thinly with engine
oil (EO30).
6
50 Disassembly and assembly
3) Using tool D3, install floating seal (30)
onto travel motor (31).
a The procedure for installation is the
same as in Step 2) above.
4) Using eyebolts [4], set hub assembly (25)
onto the travel motor. Then tap the bear-
ing using the push tool to press-fit it.
2. Nut
1) Install nut as follows.
1] Use tool D2 to press the inner race of
bearing (27).
a Pressing force
12.7 – 16.7 kN {1.3 – 1.7 ton}
a Rotate the hub 2 – 3 turns before
pressing the bearing inner race.
PC300, 350-8