TM 9-4120-402-14
Table 3-1. Operator Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
REDUCED HEATING CAPACITY. - continued
Step 3.
Check that discharge and intake grille louvers are properly adjusted.
Adjust louvers properly.
Step 4.
Check that excessive cold, outside air is not being introduced through fresh air damper.
Fully close damper, then, if condition improves, adjust properly.
Section III MAINTENANCE PROCEDURES
3-3.
GENERAL.
Operator maintenance is limited to the adjustments performed during operational checks. See paragraph 2-6.
3-7/(3-8 blank)