REDUCED COOLING CAPACITY. - TM-5-4120-393-140050

TM 5-4120-393-14

Table 3-1. Operator Troubleshooting

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

5. REDUCED COOLING CAPACITY.

Step 1. Check that all doors, windows, and other openings in the enclosure are tightly closed.

Tightly close all openings.

Step 2. Check operation of TEMPerature control thermostat.

Set control at maximum DECREASE; then, if condition improves, adjust properly to desired level.

Step 3. Check that the louvers in the conditioned air inlet and outlet grilles are properly adjusted.

Must be ope n.

Step 4. Check to be sure that excessive hot air is not being introduced through the fresh air damper.

Fully close damper; then, if condition improves, adjust properly.

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