AC DOES NOT COOL OR COOLS INADEQUATELY - Continued

DRAFT

TB 9-2320-279-13-1

AC DOES NOT COOL OR COOLS INADEQUATELY - Continued

WARNING

Moving engine components can cause severe injury. Keep away from fan, belts, and pulleys while

engine is running.

Remove rings, bracelets, wristwatches, neck chains, and any other jewelry before working around

vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry or tools may short

across electrical circuits or terminals and cause damage to equipment or severe burns or

electrical shock to personnel.

AC condenser and AC condenser output hose can get extremely hot. Use caution when checking

temperature of AC condenser output hose. Place hand near hose to check for heat, but do not

touch hose. Failure to comply may cause serious burns to personnel.

Wear protective goggles and nonleather gloves when servicing air conditioner system. Failure to

comply may result in injury to personnel.

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VISUAL INSPECTION

(1)

Remove four screws, lockwashers, washers, and

cover from AC condenser assembly (WP 0027).

(2)

Inspect AC hose between AC condenser core and

AC condenser dryer.

(a) If AC hose is not hot, go to Step 13 of this fault.

(b) If AC hose is hot:

1. Shut off engine (TM 9-2320-279-10).

2. Recover R-134a refrigerant (WP 0050).

3. Replace AC condenser core (WP 0024).

4. Replace AC condenser dryer (WP 0025).

5. Evacuate and charge system (WP 0050).

6. Verify repair, go to Step 22 of this fault.

HEMAC182

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