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TM 5-4120-274-15
installation
a. General. Fan motor relays are located in the
motor.
top of the unit, figures 3-10, 3-11. A fan motor
relay starts the fan motor and controls the high
and low speeds.
and CV-9-1-30-60 only)
remove fan motor relay.
capacitors.
c. Inspection and testing,
b. Inspection and Testing.
(1) Inspect for pitted or burned contacts.
(2) Test for continuity across coil with mul-
(1) Inspect for cracked case and broken or
timeter set on OHMS. Refer to wiring diagram
damaged contracts.
(2) Use a multimeter set on OHMS. Refer
to wiring diagram figure 15. A full reading
should be made with a steady return to zero.
install relay.
c. Installation. Refer to figure 3-6 and install
capacitors.
9-3-08-60 and CV-9-3-08-400
3-26. Fan Motor Relays
only)
Note. Models CV-9-1-15-60 and CV-9-1-30-60 have
one fan motor relay. Model CV-9-3-08-400 and CV-9-3-
08-60 have two fan relays.
diode surge protector.
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