Figure 3-9. Fan motor removal and installation.

TM 5-4120-273-15

NOTE: TAG AND DISCONNECT ELECTRICAL

LEADS AS NECESSARY.

ME 4120-273-15/3-9

Fan motor removal and installation.

Figure 39.

b. Testing. Test for continuity using multim-

3-34. Transformer

eter set on OHMS. Refer to wiring diagram fig-

a. Removal. Refer to figure 3-13 and remove

ure 1-5 to establish points of continuity.

c. Installation. Refer to figure 2-1 and install

b. Inspection and Testing.

thermostat.

(1) Inspect for broken or cracked case and

broken or damaged contacts.

3-32. Junction Box

(2) Test for continuity through both primary

a. Removal. Refer to figure 3-13, and remove

and secondary sides with multimeter set on

junction box.

OHMS. Refer to wiring diagram figure 15 to es-

b. Installation. Refer to figure 3-13 and install

tablish points of continuity.

junction box.

c. Installation. Refer to figure 313 and install

3-33. Fuses

a. Removal. Refer to figure 3-13 and remove

3-35. Circuit Breaker

fuses from holders located in junction box.

a. General. The circuit breaker protects the

b. Inspection and Testing.

compressor from continuous overcurrent and short

(1) Inspect for cracked or broken case.

circuits. It is located in the lower right corner of

(2) Test for continuity through fuse with

the junction box. Refer to figure 22 for reset pro-

multimeter set on OHMS. Refer to the wiring dia-

cedure.

gram figure 15 to establish points of continuity.

b. Removal. Refer to figure 313 and remove

c. Installation. Install fuse in fuse holder. Re-

the circuit breaker.