AC DOES NOT COOL OR COOLS INADEQUATELY - continued

DRAFT

TB 9-2320-364-13&P-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 assembly weighs 75 lbs. (34 kg). Do not lift AC condenser assembly without the aid

of an assistant. Failure to comply may result in injury to personnel and/or damage to equipment.

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

comply may result in injury to personnel.

VISUAL INSPECTION

NOTE: Wheel chocks and wooden blocks are placed on

top of battery box to aid in the removal of condenser.

NOTE: If wheel chocks are not available, use similar size

material to support condenser. Support needs to be

approximately 5.75 by 15.5 by 15.5 in.

(1)

Shut off engine (TM 9-2320-364-10).

(2)

Position two wheel chocks on top of battery box.

(3)

Place two 2 by 4 by 16 in. wooden blocks on top of

wheel chocks.

(4)

Loosen locknut on cushion clip.

NOTE: Do not loosen or disconnect AC hoses in Step 5.

NOTE: Do not disconnect AC harness AC condenser

harness connector or wire 1435 from AC condenser

assembly in Step 5.

(5)

With the aid of an assistant, remove four screws and

lower condenser assembly onto wooden blocks

(WP 0028).

(6)

Rotate AC condenser assembly to gain access to

cover on AC condenser assembly.

(7)

Remove four screws, lockwashers, washers, and

cover from AC condenser fan motor solenoid

assembly (WP 0026).

(8)

Remove ten screws and right ECB side panel

(TM 9-2320-364-20).

(9)

Start engine (TM 9-2320-364-10).

(10) Operate AC system for 5 to 10 minutes at high

blower speed (WP 0004).

(11) Inspect system high-side AC hose between AC

heater/evaporator for frost and cool spots.

(a) If AC hoses are not free from frost and cool

spots:

1. Shut off engine (TM 9-2320-364-10).

2. Recover R-134a refrigerant (WP 0053).

3. Replace restricted AC hose (WP 0039).

4. Replace AC condenser dryer (WP 0024).

5. Evacuate and charge system (WP 0053).

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

(b) If AC hoses are free from frost and cool spots,

go to Step 18 of this fault.

PLSAC214

0015-27