TM 5-3810-300-24&P-3
FAN 5.4
2.Install the inner bearings with the protruding face of
NOTE: The cap must not protrude beyond the
the inner race facing outward from the hub.
face of the hub.
3.Install a new oil seal with the felt-side flush with the
outer edge of the hub.
Install Fan, Hub and Bracket on Engine (Former)
4.Place the hub over the shaft and install the bearing
1. Place the fan belts on the pulley.
spacer (if used).
2. Position the bracket against the bracket support
5.Pack the cavity approximately 1/4 full with grease
and thread the pivot or adjusting bolt into the
and install the grease retainer.
support.
6.Place the shims against the bearing spacer. Then,
3. Thread the two adjusting bolts with lock washers
install the outer bearing with the protruding face of
and plain washers into the support. Bolts are
the inner race facing outward from the hub.
tightened when making the fan belt adjustment.
7.Secure the hub with the retaining washer and bolt.
Tighten the 1/2"-20 bolt to 83-93 lb-ft torque while
Install Fan, Hub and Bracket (Current)
rotating the pulley.
1. Attach the fan hub and adjusting bracket assembly
8.Check the end play in the assembly with the shaft in
to the bracket support on the engine with bolts, lock
a horizontal position. The end play must be .001" to
washers, and plain washers. Do not tighten the
.006". If necessary, remove the bolt, washer, and
bolts.
outer bearing and adjust the number and thickness
2. Install the drive belts, adjust the bracket to provide
of the shims to obtain the required end play. Shims
the proper tension, and tighten the bolts. If used,
are available in .015", .020", and .025" thickness.
install the adjusting bracket, bolt and plain washer
Then, reassemble the fan hub and check the end
play.
9.Fill fan hub cap 3/4 full of grease and install it in the
3. Install the fan (and fan spacer and cap, if used) on
end of the fan hub (pulley).
the hub and secure it with the bolts and lock
washers.
Page 320