Figure 3-24. Location of compressor crankcase heater

TM 5-4120-356-14

(4) Refer to figure 3-25 and test the liquid line Solenoid valve L1 and

the pressure equalizer solenoid valve L2.

(5) If both solenoid valves test OK, proceed to step (8).

(6) In case of test failure of solenoid valve L1, proceed as follows:

( a ) Disconnect plug P5 f ran liquid line solenoid valve L1. (See

(b) Check for continuity across pins A and B of receptacle J5 on

solenoid valve L1.

solenoid valve coil.

(d) If no open circuit is found, check for continuity between pin

A of plug P5 and pin K of plug P3, and between pin B of plug P5 and pin H of plug P3.

(e)

Replace

electrical

tiring

any

open

circuit

found.

(f) After replacement of solenoid valve coil or electrical wiring,

refer to figure 3-25 and connect plug P5 to receptacle J5 on liquid line solenoid

valve L1, then repeat test procedure given in figure 3-25 for liquid line solenoid

valve L1.

(g) If repeat test of liquid line solenoid valve is satisfactory,

proceed to step (8).