Komatsu PC200-8M0 Shop Manual page 1055

400 Undercarriage and frame
Disassembly and assembly of carrier roller assembly
6. Using push tools [2] and [3], remove bushing
(8) from roller (4).
Assembly
1. Using push tools [3] and [4], press fit bushing
(8) to roller (4).
a Press it from the side of cover (3).
2. Floating seal
1) Using tool L1, install floating seal (7) to
roller (4).
2) Using tool L1, install floating seal (6) to
ring (5).
a When installing the floating seal,
completely wash, degrease and dry
both O-ring and the surfaces where
the O-ring and the floating seal will
contact each other (hatched area in
the sketch). And take care that there
is no dust sticking on the contact sur-
face of floating seal.
a When fitting the floating seal, use tool
L1 and be sure that the O-ring is
pushed during the insertion.
a After inserting the floating seal, verify
that the inclination of the seal is less
than 1 mm per its diameter and that
the protrusion height of the seal
shown as (a) in the illustration falls
within the range of 7 – 11 mm.
PC200, 200LC, 220, 220LC-8M0
SEN06145-00
3
50-400