TM 9-4120-402-14
4-47. EVAPORATOR AND CONDENSER FAN MOTOR (B2) AND CONDENSER FAN.I
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WARNING
Dry cleaning solvent used to clean parts is potentially dangerous to personnel and property. Do
not use near open flame or excessive heat. Use in well ventilated area.
d. Clean.
(1) Use a clean dry. cloth and a soft scrub brush to remove dirt from motor (5).
(2) Clean fan (2) and inlet bell (14) with a cloth dampened with a detergent solution or dry cleaning solvent. Use
a soft scrub brush if necessary to dislodge caked on dirt. Dry thoroughly.
e. Install.
CAUTION
The condenser fan is easily damaged. Use care when removing fan not to damage fan or tubing
insulation.
(1) Insert condenser fan (2) into housing. Open end of fan must face down.
(2) Insert motor mounting plate (6) into position with the insulation side facing up.
NOTE
The following steps require two people.
(3) Lower motor (5) into unit. Take care that fan (2) is not damaged.
(4) Hold motor (5) high enough to allow reassembly to motor mounting plate (6).
(5) Be sure four grommets (15) are in place on motor mounting plate (6).
(6) Aline marks on motor (5) and motor mounting plate (6) made at disassembly. Secure with four sets of cap
screws (10), flat washers (12), spacers (13), and nuts (11).
(7) Slip fan (2) onto motor (5) shaft. Aline key way to woodruff key (9). Position motor (5) on fan housing.
(8) Position motor junction box (4) as noted during disassembly.
(9) Secure motor mounting plate (6) to casing using six sets of screws (7) and flat washers (8).
(10) Looking into condenser discharge opening, rotate fan (2) and locate the two setscrew access notches through
fan blades.
(11) Position fan (2) on shaft so that there is 0.03 to 0.06 inch (0.07 to 0.15 cm) clearance between the fan and the
inlet bell (14).
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