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(1) Compressor circuit breaker.
TM 5-4120-361-14
the capil lary tube is damaged, replace
the temperature control switch.
if knob
is loose, tighten set screw.
If knob is
defective, replace.
(a) Removal.
(i) Refer to figure 4-10 and
remove the control module.
(b) Removal.
(ii)
Refer to figure 4-11 and
remove the compressor circuit breaker.
The pin assembly must be removed first
before removing circuit breaker.
(i) Refer to figure 4-10 and
remove the control module.
(ii) Refer to figure 4-13 and
remove the temperature control switch.
(b) Installation.
(i) Refer to figure 4-11 and
install the compressor circuit breaker.
(c) Installation.
(i) Refer to figure 4-13 and
install the temperature control
switch.
(ii) Refer to figure 4-10 and
install the control module.
(ii) Refer to figure 4-10 and
install the control module.
(2) Mode Selector Switch (Rotary)
is an electrical switch that can be man-
ually positioned to select the desired
operational mode of air conditioner.
Refer to para 2-2c.
(4) Evaporator Fan Speed Switch.
(a) Testing.
Check for loose
connections, mountings, and cracked or
broken casing.
Check for continuity
with a multimeter.
If no continuity ex-
ists, or if the casing is broken or
cracked, replace switch.
(a) Testing.
Check for loose
connections, loose control knob and
cracked or broken casing.
Check for
continuity with a multimeter.
If no continuity exists with switch in
either one of the four ON positions,
or if the casing is broken or cracked,
replace the mode selector switch. If
knob is loose, tighten set screw. If
knob is defective, replace.
(b) Removal.
(i) Refer to figure 4-10 and
remove the control module.
(ii) Refer to figure 4-14 and
remove the evaporator fan speed switch.
(b) Removal.
(c) Installation.
(i) Refer to figure 4-10 and
remove the control module.
(i) Refer to figure 4-14 and
install the evaporator fan speed switch.
(ii) Refer to figure 4-12 and
remove the mode selector switch.
(ii) Refer to figure 4-10 and
install the control module.
(c) Installation.
(5) Control Circuit Breaker.
(i) Refer to figure 4-12 and
install the selector switch.
(a) Testing.
Check for loose
connections, mountings, and cracked or
broken casing.
Check for continuity
with a multimeter.
If no continuity
exists, or if the casing is broken or
cracked, replace the circuit breaker.
(ii) Refer to figure 4-10 and
install the control module.
(3) Temperature Control Switch.
(a) Testing.
Check for loose
connections, loose control knob, cracked
or broken casing, and kinked or broken
capillary tube.
Refer to wiring diagram
(figure 1-5) and make a continuity
check.
If no continuity exists when in
the cooling mode and the thermostat tem-
perature is above its set point or if
(b) Removal.
(i) Refer to figure 4-10 and
remove the control module.
(ii) Refer to figure 4-14 and
remove the control circuit breaker.
4-21
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