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5-15.
TM5-4120-377-14
Preliminary procedure: Remove rear panel. (See para 4-32.)
Figure 5-12. High Pressure Cut-Out Switch (S6)
a. Inspection/Test
(1) Check to see that power has been disconnected.
(2) Using screwdriver, remove two screws and lock washers from switch.
(3) Carefully pull switch from box far enough to gain access to terminals. Remove protective clip-on
cover.
(4) Check that wire leads and terminal attachment screws are in place and secure. Tighten if loose.
Replace if missing.
(5) Check that capillary line is not kinked, mashed, or broken. Replace switch if capillary line is
damaged.
NOTE
Check that refrigerant system is properly charged. (See para 5-12.)
(6) Press and release the reset button to be sure switch is not tripped.
(7) Use a continuity tester or multimeter to check for continuity between terminals 1 and 2 on switch. If
there is continuity, the switch is properly closed. If no continuity is found, switch must be replaced.
b. Removal
(1) Discharge the refrigerant system per paragraph 5-6.
(2) Using screwdriver, remove two screws and lock washers from pressure switch.
5-26
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