62-12119
12
18.
Gas Cooler Motor and Fan Blade
. Refer to
.
a. Check for cracking or wear on the fan blade. Replace as nec
-
essary.
b. Check for proper fan positioning in the shroud. See
(a) for reference.
c. Slowly spin the fan blade, feeling for any bearing drag.
Replace the motor if the fan is unable to freely rotate.
d. Examine the fan motor for signs of overheating or physical
damage. Repair or replace as necessary.
e. Check the motor mounting bracket for cracking where welded
f. Verify the fan has HFF marked on the hub which is raised and
painted. See
(c).
Figure 12 Gas Cooler Fan Position and Markings
19.
Gas Cooler Coil
.
a. Check for any signs of leaks. Repair or replace as necessary.
b. Straighten any fin damage using fin comb (16 FPI).
a) Fan Positioning
b) Marking
c) Marking
37 mm (1.5”)
Fan
Shroud
