AIR OUTPUT

TM 5-4120-341-13

2. COMPRESSOR STARTS BUT GOES OUT ON OVERLOAD

Step 1.

Test run capacitor for continuity, leakage and capacitance.

Replace capacitor if damage is indicated (para. 4-27).

Step 2.

Test fan motor for resistance.

Consult Appendix F and replace fan motor if damage is indicated (para 4-20).

Step 3.

Check expansion valve for proper operation and damage (para. 4-33).

Report condition to direct support maintenance personnel.

Step 4.

Check compressor for proper operation and damage (para. 4-30).

Report condition to direct support maintenance personnel.

AIR OUTPUT

1. EVAPORATOR AlR OUTPUT VOLUME LOW

Inspect return air and air diffuser grills for damage and cleanliness.

Step 1.

Clean, repair or replace return air and air diffuser grills (para. 4-18).

Inspect evaporator coil for damage, ice and cleanliness.

Step 2.

Clean evaporator coil (para. 4-32). Report damaged condition to direct support maintenance

personnel.

Inspect circuIating fan for security of attachment and damage.

Step 3.

Tighten setscrews in hub of circulating fan, replace fan if damage is indicated (para. 4-22).

Step 4.

Test fan motor for resistance.

Consult Appendix F and replace fan motor if damage is indicated (para. 4-20).

2. CONDENSER AIR OUTPUT VOLUME LOW

Inspect condenser coil for cleanliness or damage.

Step 1.

Clean condenser coil (para. 4-33). Report damaged condition to direct support maintenance

personnel.

Test thermostat for resistance.

Step 2.

Replace defective thermostat (para. 4-24).

Inspect condenser fan for security of attachment and damage.

Step 3.

Tighten setscrews in hub of condenser fan, replace fan if damage is indicated (para. 4-21).

Step 4.

Test fan motor for resistance.

Consult Appendix F and replace fan motor if damage is indicated (para. 4-20).

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