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TM 5-4120-361-14
(4) Cycling Heater Relay.
(a) Testing.
Check for loose
connections and cracked or broken cas-
ing.
Check for continuity with a multi-
meter.
If no continuity exists, or if
the casing is cracked or broken, replace
the relay.
(b) Removal.
(i) Refer to figure 4-10 and
remove the junction box.
(ii) Refer to figure 4-16 for
removal of the cycling heater relay.
(c) Inshallation.
(i) Refer to figure 4-16 and
install the cycling heater relay.
(ii) Refer to figure 4-10 and
install the junction box.
(5) Evaporator Fan Motor High Speed
Relay.
(a) Testing.
Check for loose
connections and cracked or broken cas-
ing.
Check for continuity with a multi-
meter.
If no continuity exists, or if
the casing is cracked or broken, replace
the relay.
(b) Removal.
(i) Refer to figure 4-10 and
remove the junction box.
(ii) Refer to figure 4-16 and
remove the evaporator fan motor high
speed relay.
(c) Installation.
(i)
Refer to figure 4-16 and
install the evaporator fan motor high
speed relay.
Figure 4-16.
Heater relays, evaporator fan motor high speed relay, condenser fan
motor relays, compressor relay and terminal boards, removal and
installation.
4-25
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