| |
b. Coil Replacement. Replace coil as follows:
c.
B o n n e t A s s e m b l y
a n d D i a p h r a gm
(1) Remove electrical connector from solenoid
Replacement. Replace parts as follows:
valve leads.
(1) To replace diaphragm (2, fig. 6-3), remove
(2 I
housing
(3)
(4)
(5)
bottom.
(6)
Remove nut on top of valve housing, Lift
two screws from body flanges and lift housing, coil
and coil assembly from bonnet assembly.
and bonnet assembly (4) from body. Lift out
Remove coil from housing.
diaphragm.
Install coil bottom plate with edge upward.
(2) To replace bonnet assembly, remove coil
Install
Install
Install
lower coil sleeve with flange at
housing and coil (b above) from bonnet assembly.
coil with lead exits at bottom.
(3) Assemble coil and bonnet assembly. Install
coil spring with flat edges upward
diaphragm and preformed packing (3) on body.
and upper coil
passes through
(7) Install
sleeve with flange
the coil spring.
coil housing, data
at top. Sleeve
Install coil and bonnet assembly and secure with
two screws.
plate and nut.
Section Il. ELECTRICAL COMPONENTS
6-8. Fan Motors
(3) Remove screw (10), washer (11), and loop
a. General. The condenser fan motor and the
evaporator fan motor are identical. Motors for air
conditioners having different electrical charac-
teristics are similar in construction and the repair
instructions contained in this paragraph apply to all
motors except as noted.
b. Disassembly. Refer to figure 6-4 and
disassemble motor as follows:
(1) Remove four hex nuts (1), four through
bolts (2), and eight flat washers (3). Remove
end bell (4).
(2) Pull out rotor (9) and remove shims (5
6), bearing spacers (7) and bearings (8).
clamp (12). Remove screw (13), washer (14), and
ground terminal (15 ). Disconnect leads and remove
cable (16) and strain relief bushing ( 17).
(4) For single phase motors, remove front end
bell (27) from stator (29).
(5) For three phase motors, refer to paragraph
4-39 and remove thermal protector housings (21
and 25), thermal protectors (22 and 26), and
attaching hardware. Remove front end bell (28)
rear
from stator (29).
and
6-7
|