Fan Housings and Fans

TM 5-4120-364-13

( c ) Reconnect electrical leads.

( d ) I n s t a l l c o n t r o l p a n e l ( 1 6 ) a n d s e c u r e w i t h s i x f a s t e n e r s . 2 2.) .

(

T u r n fasteners one-quarter turn clockwise.

( e ) Place knob (24) on shaft of temperature control (27) and secure

with setscrew (23).

e. Fan Housings and Fans. T h e condenser fan assembly consists of a dual

s q u i r r e l cage type fan and housings powered by a 1/3 HP, 120 volt, single phase,

5 0 / 6 0 Hz electric rotor. T h e rotor is equipped with permanently lubricated ball

bearings and an overload protector which will reset itself automatically after

cooling.

(1) Removal.

( a ) Remove the end panels and rear cover by turning fasteners (8,

figure 3-9) one-quarter turn counterclockwise.

( b ) Remove front panel by first removing screws (22) and washers (23),

then turn fasteners (8) one-quarter turn counterclockwise.

( c ) Remove screws (13, figure 3-11), washers (14) a n d ring (15) from

housings (25).

( d ) Loosen setscrews (26) in fans (12) and remove fans from motor

shaft.

(e) Remove nuts (6, 16), washers (7, 17, 18), screws (9, 20, 22),

h o s e clamp (2), then remove housings (25) from frame.

(f) If required for replacement, remove nuts (16), washers (17, 18),

screws (23) and grill (24).

( 2 ) I n s p e ct i o n . Inspect fan, fan housings, and grills for evidence of

d a m a g e which woud impair serviceability.

( 3 ) Repair. Repair of the fan housings and fans shall be by replacement

o f the defective component.

(4) Replace.

( a ) I f g r i l l s ( 2 4 ) are to be replaced, place grills into housings

( 2 5 ) and secure with screws (23), w a s h e r s (17, 18) and nuts (16).

( b ) P l a c e h o u s i n g s i n frame over motor shaft and secure with screws

( 9 , 20, 22), washers (7, 17, 18) and nuts (6, 16).

( c ) Slide fans (12) on to motor shaft and into housings (25). Make

c e r t a i n that fans clear housings and secure fans to motor shaft by tightening set-

s c r e w s (26) in fan bushings.

(d) Attach rings (15) to housings (25) with screws (13), washers (14).

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