TM 5-3895-346-14
ENGINE COOLING FAN
ENGINE OVERHAUL
CAUTION
Do not over grease
2.
Install the front ball bearing against the shoulder counterbore in the pulley hub. Then install the
snap-ring in the pulley hub.
3.
Install the rear roller bearing outer ring and roller assembly against the shoulder in the counterbore
of the pulley hub.
4.
Install a new oil seal with rubber side flush with the outer edge of the hub.
5.
Install the dust cap (if used) over the oil seal in the hub.
6.
Place the shaft and bracket on wood block setting on the bed of an arbor press. Then press the
rear bearing inner ring or race onto the fan shaft.
7.
Pack the cavity 3/4 full with Texaco Premium RB grease.
8.
Install the partially assembled fan hub over the rear bearing inner ring on the shaft and against the
shoulder on the pulley hub shaft.
9.
Secure the hub with the washer and 1/2-20 lock bolt. Tighten the bolt to 83-93 lb ft (113-126 Nm)
torque while rotating the pulley hub.
10.
Fill a new fan hubcap 3/4 full of grease and install it in the end of the pulley hub.
Install Fan, Hub, and Adjusting Bracket
1.
Attach the fan hub and adjusting bracket assembly to the support bracket on the engine with bolts,
lockwashers, and plain washers. Do not tighten the bolts until the fan belts are installed.
2.
Install the drive belts and adjust the belt tension as outlined in Preventive Maintenance. If used,
install the adjusting bracket, bolt, and plain washer.
3.
Install the fan (and fan spacer and cap, if used) on the hub and secure it with the 5/16-18 bolts and
lockwashers (Cooling System).
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