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(5) Remove motor and mounting plate from
air conditioner.
(6) Refer to figure 4-13 and remove setscrew
(1) and collar (2) from motor shaft. Remove four
cap screws (3), lock washers (4) and flat washers
(5). Remove motor (6) and four flat washers (7)
from mounting plate (9). Remove bushing (8) from
plate only if they require replacement.
4 - 3 9 . F a n M o t o r T h e r m a l P r o t e c t o r R e-
p l a c e m e nt
a. General. Organizational repair of motors is
limited to testing and replacement of defective
thermal protectors. Thermal protectors for single
phase motors are imbedded in motor windings, and
cannot be removed for “repairs. Instructions con.
tained in this paragraph cover replacement of three
phase motor thermal protectors.
b. Removal. Refer to figure 4-14 and partially -
remove thermal protector housing from motor by
r e m o v i n g t w o s c r e w s a n d w a s h e r s . T a g a nd
disconnect
electrical leads.
R e m o v e t h e r m al
protector. Remove other protector in the same
manner.
Figure 4-14. Motor thermal protector housing.
c. Testing. Check for continuity between ter-
minals. Replace protector if open.
d. I n s t a l l a t i o n . Install thermal protector in
4-22
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