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ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
4-77. CIRCULATOR FAN (CONDENSER) - Continued.
4.
Loosen two set screws (8) secure squirrel cage to shaft (10)
Acetone and Methyl-Ethyl Ketone (MEK) are flammable and their vapors can be
explosive. Repeated or prolonged skin contact or inhalation of vapors can be tox-
ic. Use a well ventilated area, wear gloves, and keep away from sparks or flame.
5.
Clean exposed ends of shaft (10).
6.
Dress high metal defects on shaft (10) with file.
7.
Remove shaft (10).
8.
Slide one end of shaft (10) into each bearing (13) and remove both bearings (13) individually.
9.
Remove two bearing cups (14).
10.
Install shaft (10). Extend shaft on pulley side to length measured in step 1.
11.
Install two bearings cups (14) and replacement bearings (13).
12.
Install two replacement bearing collars (12) by turning quarter turn, locking bearings in place, then tighten two set
screws (11) in bearing collars (12).
13.
Apply corrosion preventative compound to exposed ends of shaft (10).
INSTALLATION
1.
If fan housing was replaced, install condenser fan connecting link assembly (para 4-89) and contact Direct
Support Maintenance to install actuator.
2.
Position circulator fan (23) in mounting position.
3.
Install four bolts (22), grommets (21), eight flat washers (20), and four locknuts (19) .
4.
Install top brackets (4) with three screws (3), lockwashers (2) and flat washers (1).
5.
Install two bolts (7), lockwashers (6), and flat washers (5).
6.
Install clamp (18) with screw (15), lockwasher (16), and flat washer (17).
7.
Install actuator line with flare nut (9) loose, but do not tighten at this time.
8.
To back seat (counterclockwise) actuator service valve contact Direct Support Maintenance. Let gas escape for
three seconds and tighten flare nut (9).
9.
Leak test all newly connected joints and those in the repair area (contact Direct Support Maintenance).
FOLLOW ON PROCEDURES
Install condenser motor (para 4-76).
4-150
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