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TM5-4120-376-14
Table 3-1. OPERATOR/CREW TROUBLESHOOTING (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. INSUFFICIENT COOLING.
Step 1.
Check to see if mode selector (1) is in COOL position.
Place mode selector in COOL position.
Step 2.
Check to see if control circuit breaker (2) is in the ON position.
Place control circuit breaker in the ON position.
Step 3.
Check to see if compressor circuit breaker (3) is in the ON position.
Place compressor circuit breaker in the ON position.
Step 4. Check to see if the temperature selector (4) is in the COOLER position.
Place temperature selector in COOLER position.
Step 5.
Check to see air filter (5) is not obstructed.
Notify Organizational Maintenance.
Step 6.
Inspect sight indicator (6) for bubbles or yellow color.
Notify Direct Support Maintenance.
3-3
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