Figure 3-7. Evaporator fan, inlet ring and thermostat sensing bulb removal and installation

TM 5-4120-274-15

Figure 3-7. Evaporator fan, inlet ring and thermostat sensing bulb removal and

installation

d. Installation. Refer to figure 3-9 and install

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

3-25. CAPACITORS (models CV-9-1-15-60

and low speeds.

and CV-9-1-30-60 only)

b. Removal Refer to figure 3-10, 3-11 and

a. Removal Refer to figure 3-6 and remove

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.

figure 1-4 to establish points for continuity.

(2) Use a multimeter set on OHMS. Refer

to wiring diagram figure 15. A full reading

d. Installation. Refer to figures 310, 311 and

should be made with a steady return to zero.

install relay.

c. Installation. Refer to figure 3-6 and install

capacitors.

3-27. Diode Surge Protector (models CV-

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-

a. Removal. Refer to figure 3-11 and remove

08-60 have two fan relays.

diode surge protector.