HIGH PRESSURE CUT OUT (HPCO) AND LOW PRESSURE CUTOUT (LPCO) SWITCHES (Cont)

TM 5-4120-369-14

High Pressure Cut-Out and Low Pressure Cut-Out Switches

HIGH PRESSURE CUT OUT (HPCO) AND LOW PRESSURE CUTOUT (LPCO)

5-18.

SWITCHES - Continued.

(4) Refer to paragraph 4-29 and remove Junction Box.

(5) Refer to figure 5-2 and disconnect the pressure cutout switch electrical leads.

(6) Remove pressure cutout switch mounting screws.

pressure cutout switch flare nut from the refrigerant line tee.

(7) Disconnect

(8) Remove the capillary tube grommet in the back wall, extract the capillary tube

and flare nut through the opening.

Testing.

Check for loose connections and cracked or broken casing. Check for continuity with

a multimeter. If no continuity exists, or if the casing is cracked or broken, replace the switch.

5-11