TM 5-3810-300-24&P-3
5.4 FAN
Fig. 2-Fan Mounting
2. Remove the bracket retaining ring from the rear end
6. Remove the retaining ring from the hub and tap the
of the shaft.
rear ball bearing from the hub, using a brass rod
against the rear of the bearing.
3. Place the hub and bracket assembly in an arbor
press with the front face of the bracket supported
Disassemble Fan, Hub and Bracket (Current)
on split plates so that the hub is clear of the bed of
With the fan, hub and adjusting bracket removed from
the press, as shown in Fig. 3. Place a brass rod
the engine, refer to Figs. 2 and 8 and disassemble as
between the end of the shaft and the ram of the
follows:
press, press the shaft from the bracket. When the
1. Remove the attaching bolts and lock washers
bracket is free, the bolt and lock washer may be
holding the fan and the spacer (if used) to the hub.
removed from the bracket.
Remove the fan.
4. Place the hub in an arbor press with the shaft in line
2. Loosen the fan hub adjusting bracket bolts and
with the opening in the bed of the press and the
remove the drive belts. Then withdraw the bolts
opposite end under the ram of press, as shown in
and washers and remove the hub and bracket
Fig. 4. Place a brass rod between the ram of the
assembly from the engine.
press and the end of the shaft and press the shaft,
3. Remove the fan hub cap (if a spacer and cap
front roller bearing and cap from the hub (Fig. 4).
assembly were not used).
5. Slide the roller bearing from the shaft. If the inner
4. Remove the hub bolt and washer (Fig. 7). Also
race of the bearing is in good condition it may be
remove the shims if the former hub assembly (Fig.
left on the shaft. If, however, removal of the inner
7) is used.
race is necessary, first remove the retaining ring,
5. Withdraw the hub and bearing assembly from
then split the inner race and remove it from the
shaft.
Page 317
