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When installing the anti-drive end bearing, press
only on the inner race of the bearing. Pressing on
any other surface will result in bearing damage.
7. Rotate the shaft to verify the bearing moves freely.
8. Lubricate the spiral ring with Komatsu grease
XA3401. Wind new spiral ring (50) into the
groove around fan (65).
FIGURE 10-143.
50. Spiral Ring
9. Install the fan onto the rotor shaft with Bellville
washer (66) and nut (67). Use an air impact
wrench and a 24 mm impact socket to tighten
the nut to 6 N·m (50 ft lb).
.
FIGURE 10-144.
D10-74
65. Fan
Battery Charging Alternator
10. Install fan guard (68). Apply thread lock com-
pound (Loctite). Install Allen head screws (69)
using a 3 mm Allen socket wrench. Tighten the
screws to 7 N·m (65 in. lb).
FIGURE 10-145.
68. Fan Guard
69. Allen Head Screws
NOTE: Verify the metal grommet washers are still in
grommets (70).
70. Grommets
D10003 07/06
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