Komatsu PC200-8M0 Shop Manual page 1061

400 Undercarriage and frame
Disassembly and assembly of idler
Assembly
1. Press fit bushings (9) and (10) to idler (4).
2. Install shaft (5) with O-ring (12) to support (2),
and insert dowel pin (1).
3. By using tool L3, install floating seals (3) to
idler (4) and the assembly of shaft (5) and sup-
port (2).
a Completely clean, degrease, and dry the
contact surfaces (hatched area shown in
the figure) of the floating seal and the O-
ring.
a Apply oil to the sliding surface of the float-
ing seal, and take care not to have any dirt
stuck on it.
a After inserting the floating seals, check
that the inclination is less than 1 mm and
the protrusion (a) is within the range of 7
to 11 mm.
PC200, 200LC, 220, 220LC-8M0
4. Install the assembly of shaft (5) and support (2)
to idler (4).
SEN06145-00
9
50-400