TM9-4120-370-14
TO35E9-229-1
Removal
a.
(1) Check to see that power has been disconnected.
(2) Using allen wrench, loosen two setscrews in each fan.
(3) Remove fans.
(4) Using screwdriver, remove six screws and Iock washers from each set of inlet bells.
NOTE
The actuating cylinder control capillary line clamp is attached by above hardware. Note
location for reassembly.
(5) Remove inlet bell halves.
b. Inspection
(1) Check fans for dents, bent or loose blades, and that hub is securely attached. Replace if damaged.
(2) Check inlet bells for dents or any distortion that would cause interference with fans. Replace if damaged.
(3) If a motor problem is suspected, inspect or test motors in accordance with paragraph 4-84.
c.
Clean
(1) Use a clean dry cloth and a soft brush to remove dirt from fans.
(2) If fans and inlet bells are excessively dirty, wash them with a mild detergent and water solution.
d. Installation
NOTE
The fans are not identical parts. Take care that fans are installed on correct side. See
Figure 4-85 for rotation and placement information. See rotation arrow on
fan.
(1)
Aline setscrews with flats on motor shaft and slip fans onto motor shaft.
(2)
Center fans in fan housings.
(3)
Using allen wrench, tighten two setscrews in each fan hub.
(4)
Using screwdriver, secure inlet bell halves with six screws and lock washers each set. Take care that actua-
tor cylinder capillary clamp is reinstalled in original position.
Follow-on procedures:
4-119