Table 4-11. Air Conditioner Cooling Coil Troubles Troubleshooting.

Custom Search

Table 4-11. Air Conditioner Cooling Coil Troubles Troubleshooting (Continued).

TM-55-1905-219-14-8 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

Table 4-12. Drinking Fountain Troubleshooting.

TM 55-1905-219-14-8

4-5. GENERAL (Continued).

Table 4-11. Air Conditioner Cooling Coil Troubles

Troubleshooting (Continued).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 2.

Insufficient air flow.

Check dampers, fan speed, etc. On bare pipe coils, check for proper air circulation.

Step 3.

Loose fan belts.

Adjust belt tension refer to paragraph 4-29.

Step 4.

Excessive frost on coils.

Defrost coils.

5. Too much cooling.

Step 1.

Solenoid thermostat set too low.

Reset thermostat to maintain desired temperature.

Step 2.

Local overcooling due to improper outlet adjustment on fan units.

Adjust air outlet deflector.

4-48