Komatsu ecot3 PC300LC-8 Shop Manual page 939

50 Disassembly and assembly
Assembly
1. Press fit bushings (9) and (10) to idler (4).
2. Fit O-ring and install support (7) to shaft (5) using
dowel pin (8).
a Be sure to assemble shaft (5) with the UP
marking facing upward.
3. Using tool H1, install floating seal (6) to idler (4),
shaft (5) and support (7) assembly.
a Before installing the floating seal, completely
degrease both contact surfaces of the O-ring
and the floating seal (hatched area in the il-
lustration). Furthermore, take care so that no
dust will stick to the contact surface of the
floating seal.
PC300, 350-8
a After inserting the floating seal, check that in-
clination of the seal is less than 1 mm and
that protrusion (a) of the seal remains within
the range of 5 ? 7 mm.
4. Assemble shaft (5) and support (7) assembly to
idler (4).
SEN02638-03
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