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 TM 5-4120-393-14
5-7. Condenser Fan Motor (B2) (Welco Industries Model) (cont)
e.
Tag and unsolder leads.
f.
Remove old connector (1).
g.
See wiring diagram (para 4-13) and tags and solder leads to new connector (1).
h.
Remove tags.
i.
Using screwdriver, secure connector (1) to terminal box with four screws (4).
j.
Using screwdriver, secure terminal box cover (3) to box with four screws (2).
2.
To replace bearings:
a.
Match-mark motor frame (5) and both end brackets (6) to ease reas sembly.
b.
Using wrench, remove four nuts (7) from one end of motor studs (8). Retain motor stud with vice grips or pliers.
c.
Remove end brackets (6).
d.
Press out or carefully drive bearing (9) out of front end bracket. Note locations and quantities of bearing spacer
washers (10) and bearing loading springs (11) for use at reassembly If they are not damaged. They should be
replaced if they are broken, nicked, or worn.
e.
Using screwdriver, remove four screws (12) and two bearing retainers (13) from rear end bracket.
f.
Remove bearing (9) from rear end bracket.
g.
Examine rotor (14), stator (15), and shafts for nicks, gouges, deformations, and evidence of overheating.
5-14
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