Komatsu PC210-8 Shop Manual page 1062

Hydraulic excavator
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3.
Using tool L2, install floating seal (6a) to collar
(8).
a When installing the floating seal, com-
pletely wash, de-grease and dry both O-
ring and the surfaces of floating seal
where they contact each other (shown
hatched in the illustration). And take care
that there is no dust sticking on the con-
tact surfaces of floating seal.
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.
4.
Using tool L2, install floating seals (6b) and
(3b) to roller (4).
a As to notes for installation of floating seals
(6b) and (3b), refer to
ments in the section 3.
5.
Install shaft (5) to roller (4).
6.
Put roller (4) and shaft (5) assembly up side
down.
6
7.
a
marked com-
8.
9.
50 Disassembly and assembly
Using tool L2, install floating seal (3a) to collar
(2).
a As to notes for installation of floating seal
(3a), refer to
a
marked comments in the
section 3.
a On the sliding surfaces of the floating
seals, apply some oil and take care not to
have any dust stuck on them.
Fit an O-ring and install collar (2) to the shaft
with pin (1).
Add oil and tighten the plug.
5
Amount of oil: 190 – 200 cc (E030-CD)
3
Plug: 15 ± 5 Nm {1.5 ± 0.5 kgm}
PC210, 230, 240-8

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