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AIR CONDITIONER FAILS TO OPERATE | Up
TM-5-4120-375-14 Air Conditioner Horizontal Compact 18 000 BTU 208 Volt 3 Phase 50/60 Hertz NSN 4120-01-105-5746 Manual | Next
CHAPTER 4 ORGANIZATION MAINTENANCE INSTRUCTIONS |
TM5-4120-375-14
TABLE 3-1
OPERATOR TROUBLESHOOTING TABLE (cont.)
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MALFUNCTION
TEST OF INSPECTION
CORRECTIVE ACTION
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COOLING MODE
2.
INSUFFICIENT COOLING.
Step 1.
Check to see if selector switch is in COOL position.
Place selector switch in COOL position.
Step 2.
Check to see if THERMOSTAT is in COOLER position.
Notify Organizational Maintenance.
Step 3.
Inspect air filter and return air grilles for
obstructions.
Notify Organizational Maintenance.
Step 4.
Inspect sight glass for bubbles.
Notify Organizational Maintenance.
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3-3
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