Komatsu Galeo PC800-8 Shop Manual page 970

SEN01055-01
4) Floating seal at hub end
Using tool J1, install floating seal (17) to
hub (49).
a For precautions and details of the
tool, see Step 10-1).
a When turning over the hub, the floating
seal will be at the bottom, so install it
temporarily with several bolts [8].
5) Installation of hub assembly
Using eyebolts [4], install hub assembly
(15) to shaft (41).
6) Outside bearing
Install bearing (16).
28
50 Disassembly and assembly
7) Install nut as follows.
i) Set tool J3 in position.
ii) Push bearing inner race portion with
specified force.
a Pushing force:
34.3 – 38.2 kN {3.5 – 3.9 ton}
iii) Rotate hub assembly 2 – 3 times to
settle bearing.
iv) Measure dimension (a) in the condi-
tion above.
v) Measure thickness (b) of nut (14) as
an individual part.
vi) Calculate (a) – (b) = (c).
vii) Using tool J4, tighten nut (14) to a
point where dimension (c) =
–0.1
mm.
–0.1
PC800, 850-8