|
| |
replacement of individual
module cover and mark
control to be replaced.
controls. Remove control
and disconnect leads o f
b. Circuit Breaker. Refer to figure 4-18 a nd
remove handle shaft and spacers. Remove screws
and washers that secure
circuit breaker to
mounting plate and designation plate and remove
circuit breaker. Single phase breakers are attached
with four screws and washers and three phase
breakers are attached with six screws and washers.
c. Evaporator Fan Toggle Switch. Refer to figure
4-18 and remove the switch nut and lock washer.
Remove toggle switch.
d. Temperature Selector Switch. Refer to figure
4-18 and remove nut and capillary tube clamp.
Remove four screws, nuts, and washers. Remove
switch knob and temperature selector switch.
e. Mode Selector Rotary Switch. Refer to figure
4-18, loosen setscrew in knob and remove knob.
Remove switch nut and switch.
4-47. Assembly.
a. General. Refer to figure 4-18 and install any
component that were removed, Complete the
assembly as described
4-49. General
in f b e l o w.
b. Circuit Breaker. Install circuit breaker, screws
and washers. Assemble handle spacers and shaft.
c. Evaporator Fan Toggle Switch. Install toggle
switch and secure to mounting plate with switch
nut and lock washer,
d. Temperature Selector Switch. Install switch
and secure with four screws, washers, and nuts.
Install switch knob. Install clamp on capillary tube
and secure clamp with nut.
e. Mode Selector Rotary Switch. Install switch
and secure with switch nut. Install knob and
tighten setscrew.
f. Control Module. After components have been
installed, make all necessary electrical connections.
Insert capillary tube bulb through opening in cover.
Install cover and mounting screws. Install capillary
tube grommet,
4-48. Installation
a. Install temperature selector switch bulb and
tube through slot in junction box. Install bulb in
clamps (fig. 4-17 ) and tighten screws.
b. Install control module into junction box and
turn connector knob clockwise until screw is tight.
c. Refer to paragraph 4-18 and install evaporator
air inlet louver.
Section XV. MAINTENANCE OF JUNCTION BOX
b. Remove seven screws and lock washers
The junction box (fig. 1-1) contains the time delay
securing junction box to housing. Partially remove
relay, control circuit breaker, condenser fan relay,
the junction box by pulling the box forward and out
heater relay, and compressor motor relay. Three
of the air conditioner. See figure 4-19. Support the
phase junction
b o x es- also contain the phase
junction box to relieve strain on wiring.
sequence relay.
c. To completely remove the junction box
4-50. R e m o v al
necessary to disconnect all the electrical leads
connectors.
a. Refer to paragraph 4-21 and remove front top
cover. Refer to paragraph 4-44 and remove control
module.
it is
and
4-28
|
