Figure 11F-17. Fan Hub and Adjusting Bracket Details
the outer race or cup slowly by hand. If
Assemble Fan, Hub and Bracket
rough spots are found, replace the bear-
ings.
Assemble the fan hub and bracket shown
in Figure 11F-17 and Figure 11F-16 on
p a g e 11F-16 as follows:
Check the fan blades for cracks. Re-
place the fan if the blades are badly
1. Apply Texaco Premium RB grease, or
bent, since straightening may weaken
the the blades, particularly in the hub area.
an equivalent Lithium base multi-purpose
grease, to the rollers of both bearings
Remove any rust or rough spots in the
before installing them in the pulley hub.
grooves of the fan pulley and crankshaft
pulley. If the grooves are damaged or
2. Install the inner (rear) roller bearing
severely worn, replace the pulleys.
assembly, with the protruding face of
the inner race facing outward from the
Check for cracks in the adjusting and
hub, (1.31" from end of shaft), by tap-
support bracket castings.
ping alternately around the face of the
bearing outer race with a small brass rod
The fan shaft rear bearing inner race
a n d hammer.
should be inspected for any measurable
wear. Replace the inner race if the out-
3. Install a new oil seal with the rubber
er diameter is less than 1.7299".
side flush with the outer edge of the
hub.
NOTE
NOTE
The inner and outer races are only
serviced as a rear roller bearing
Certain engines use a rubber lip
type oil seal.
assembly.
4. Place the adjusting bracket assembly
When installing the rear bearing inner
on wood blocks setting on the bed of an
race, press it on the shaft and position
arbor press. Then press the pulley hub
it 1.35" to 1.37" from the end of the
on the fan shaft.
shaft.
5. Pack the cavity 20-30% full with
grease as outlined in Step 1.
