Komatsu 830E-AC Shop Manual page 177

FIGURE 7-46.
7. Coat the bore of the fan mounting hub (42) with
a thin coating of Loctite Primer N and #242.
Remove frozen end cap (45) from the freezer.
Do not apply Loctite to the end cap. Press the
end cap into the hub until the cap bottoms out.
FIGURE 7-47.
8. Apply Loctite Primer N and #609 to the mating
surfaces of front bearing (33) and front bearing
retainer (35). Place the bearing into position on
the retainer with the notch for the bearing pin
facing downward.
Press the front bearing into the bearing retainer
using tooling (E) or equivalent. Press ONLY on
the outer race of the bearing until it seats at the
bottom of the bore.
C07001
9. Install internal snap ring (32).
10. Turn the retainer over on the press bed. Coat
the outside diameter of front oil seal (36) and
the mating surface on the bearing retainer with
Loctite Primer N and #242 (or equivalent).
Use tooling (E) to press the oil seal into the front
bearing retainer until it is flush with the front
face. Ensure that the lip of the seal is dry.
Wipe any excess Loctite from the seal area and
remove any rubber strings from the seal.
Fan Clutch
FIGURE 7-48.
FIGURE 7-49.
C7-23