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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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