Figure 11F-15. Fan Mounting
4. Withdraw the hub and bearing assem-
bly from the shaft. It may be necessary
t o the tap the end of the shaft with a soft
h a m m e r to loosen the hub assembly.
5. Remove the bearings and oil seal as
follows:
A. Remove the ball bearing by tapping
alternately around the outer edge of
the bearing with a small brass rod
a n d hammer.
B. Drive the oil seal from the hub. Dis-
c a r d the oil seal.
C. Remove the inner (rear) roller in the
s a m e manner as outlined in Step A.
Inspection
Clean the fan and related parts with fuel
oil and dry them with compressed air.
Shielded bearings must not be washed;
dirt may be washed in and the cleaning
fluid could not be entirely removed from
the bearing. Examine the bearings for
F i g u r e 11F-16. Shaft Type Fan Hub
any indication of corrosion or pitting.
Hold the inner race or cone and revolve
Assembly