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TM 5-4120-377-14
TABLE 3-1. TROUBLESHOOTING (cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4. Check that the louvers in the conditioned air inlet outlet grilles are properly adjusted.
Adjust louvers properly.
CONDITIONED AIR
OUTLET LOUVER
EACH BLADE CAN BE
ADJUSTED
INDIVIDUALLY BY HAND
CONDITIONED AIR INLET
LOUVER BLADES
ADJUSTED AT LEVER
TS4120-377-14/3-T31-13
Step 5. Check to be sure that excessive cold, outside air is not being introduced through the fresh air
damper.
Fully close damper; then, if condition improves, adjust properly.
3-8
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