Komatsu PC210-8 Shop Manual page 1065

50 Disassembly and assembly
4. Assemble shaft (5) and support (7) assembly
to idler (4).
5. Using tool L3, install floating seals (3) to idler
(4) and to support (2).
a Completely wash, de-grease and dry both
O-rings and the surfaces (shown hatched
in the illustration) of floating seals where
they contact each other.
a Coat the sliding surface of the floating seal
with oil, and be careful not to let any dirt or
dust get stuck to it.
a After inserting the floating seal, verify that
the inclination of the seal is less than 1
mm per its diameter and that the protru-
sion height shown as a in the illustration
falls within the range of 7 – 11 mm.
PC210, 230, 240-8
6. Fit an O-ring and install support (2) to the shaft
with dowel pin (1).
a See structual illustration.
7. Add oil and tighten the plug.
5
Amount of oil: 245 – 255 cc (E030-CD)
3
Plug: 205.8 ± 49 Nm {21 ± 5 kgm}
UEN00662-00
9