Komatsu PC88MR-10 Shop Manual page 1154

50 Disassembly and assembly
Undercarriage and frame
3. Install floating seal (6) to idler (4), shaft (5), and
support assembly (7) by using tool L2.
a Apply oil to the sliding surface of the floating
seal, and take care not to have any dirt stuck
on it.
a When installing the floating seal, clean,
degrease and dry the parts indicated with
thick lines (load ring and mating face of the
load ring) completely.
a When inserting the floating seal assembly to
the housing, use the pushing tool. Be sure to
use the jig that can push the load ring for
insertion.
[1]: Cylinder-shape pushing tool.
50-126
a The metallic faces of the floating seal which
are in contact with each other must be free
from dirt.
a After inserting, check that the seal tilt is Max.
1 mm. Seal protrusion are as follows.
4. Install shaft (5) and support (7) assembly to idler
(4).
5. Refill the space between shaft (5) and idler (4)
with oil.
Amount of oil:
60 cc (EO-30CD) l l
PC88MR-10