TM9-4120-401-14
4-46.
CONDENSER FAN, MOTOR, AND HOUSING. - continued
d. Replace.
(1) Remove electromagnetic interference filter (FL1). (See paragraph 4-30.)
(2) Remove condenser air discharge louver assembly. (See paragraph 4-21.)
(3) Tag and disconnect motor (2) connector plugs (3) and (4). Cut tiedown straps as necessary to free
motor leads.
(4) Remove four screws (5) and flat washers (6).
(5) Loosen two setscrews (7) and (8). Remove shouldered shaft (9).
(6) Carefully lift motor (2) and mounting plate (10) up and out of unit.
(7) Motor (2).
(a) Remove four screws (11), eight flat washers (12), one mounting plate (10), and four sets of
bushings (13) and grommets (14).
(b) Install four sets of grommets (14) and bushings (13) into mounting plate (10) motor mount holes.
(c) Attach mounting plate (10) to motor (2) with four screws (11) and eight flat washers (12).
(8) Fan impeller (1) and housing (15).
(a) Carefully rotate fan housing (15) from bottom (opening up) and remove out back of unit.
(b) Remove four screws (16), flat washers (17), and one bell inlet (18).
(c) Remove fan impeller (1).
(d) Place fan impeller (1) into fan housing (15).
(e) Secure bell inlet (18) to fan housing (15) with four sets of screws (16) and flat washers (17).
(f)
Carefully install fan housing (15) through back of unit (opening up). Rotate as necessary to position
in place.
(9) Carefully place motor (2) and mounting plate (10) into unit.
(10) Install shouldered shaft (9) onto fan impeller (1) and motor (2). Tighten setscrew (8) to secure.
(11) Align mounting plate (10) holes to unit and secure with four screws (5) and flat washers (6).
(12) Position shouldered shaft (9) on motor (2) shaft to maintain a minimal clearance of 1/8 inch between
fan impeller (1) and bell inlet (18). Tighten setscrew (7).
(13) Connect motor (2) connector plugs (3) and (4) using tags and wiring diagram (figure 4-6). Secure
motor leads as necessary using tiedown straps.
NOTE
FOLLOW-ON MAINTENANCE:
Connect power at power supply.
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