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

TM 5-4120-273-15

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

installation.

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

a. General. Fan motor relays are located in the

motor.

top of the unit, figures 311 and 3-12. A fan

motor relay starts the fan motor and controls the

high and low speeds.

3-25. Capacitors (Model CV-6-1-15-60

only)

b. Removal. Refer to figures 3-11 and 3-12 and

remove fan motor relay(s).

a. Removal. Refer to figure 3-10 and remove

c. Inspection and Testing.

capacitors.

b. Inspection and Testing.

(1) Inspect for pitted or burned contacts.

(1) Inspect for cracked case and broken or

(2) Test for continuity across coil with mul-

damaged contacts.

timeter set on OHMS. Refer to wiring diagram

(2) Use a multimeter set on OHMS. Refer

figure 1-5 to establish relay(s).

to wiring diagram (fig. 1-5). A full reading

d. Installation. Refer to figures 3-11 and 3-12

should be made with a steady return to zero.

and install relay(s).

c. Installation. Refer to figure 310 and install

capacitors.

3-27. Diode Surge Protector (Model

CV-6-3-08-400 only)

3-26. Pan Motor Relays

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

Note. Model CV-6-1-15-60 has one fan motor relay.

diode surge protector.

Model CV-6-3-08-400 has two fan relays.