TM 9-4520-258-14
4-31.
CIRCULATING MOTOR AND FAN - continued.
b.
Installation (Refer to Figure 4-56)
(1)
Install fan (1) through front of unit.
(2)
Install inlet cone (2), four flat washers (3), four lockwashers (4) and four screws (5).
(3)
Place motor (6) on its side with junction box facing up on base (7).
(4)
Feed wires (8) B1-TL, T5/TB1-8, (9) B1-T4, T8/TB1-3 and (10) B1-GRD/G1 through hole in bottom of
junction box on side of motor (6).
(5)
Remove one wire nut (11) connecting wires T1 and T5. Twist wire (8) with T1 and T5 and install wire nut
(11).
(6)
Remove the other wire nut (11) connecting wires T4 and T8. Twist wire (9) with T4 and T8 and install wire
nut (11).
(7)
Install ground wire (10), lockwasher (12) and screw (13).
(8)
Gently push all wiring into junction box on motor (6).
(9)
Install cover (14) and two screws (15).
(10)
Turn motor (6) onto its base and slide onto fan (1).
(11)
Install key (16) and two setscrews (17) do not tighten.
(12)
Make sure fan (1) is pushed back on motor until it stops and tighten two setscrews (17).
(13)
Install eight flat washers (18), four screws (19) and four locknuts (20), hand tight.
(14)
Turn fan (1) by hand. If fan turns freely without rubbing, tighten hardware installed in step (13). If fan rubs,
realign motor (6) until fan turns freely and tighten hardware installed in step (13).
(15)
Close rightside front door (21) and rightside rear door (22).
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