AC COMPRESSOR EXCESSIVELY NOISY - continued

DRAFT

TB 9-2320-364-13&P-1

AC COMPRESSOR EXCESSIVELY NOISY - Continued

WARNING

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

comply may result in injury to personnel.

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

engine is running.

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VISUAL INSPECTION

Inspect AC compressor belts for looseness and

damage.

(a) If AC compressor belts are missing, damaged,

or loose, replace or tighten belts as required

(WP 0020). Verify repair, go to Step 5 of this

fault.

CAUTION: Do not flush AC condenser dryer, AC

compressor, or AC expansion valve. After flushing

system, add required refrigerant oil or damage to

equipment may result.

(b) If AC compressor belts are tight and free from

damage:

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

2. Flush system (WP 0053).

3. Replace AC compressor (WP 0022).

4. Replace AC condenser dryer (WP 0024).

5. Evacuate and charge system with new

R-134a refrigerant (WP 0053).

6. Verify repair, go to Step 5 of this fault.

VERIFY REPAIR

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

(2) Operate AC system (WP 0004).

(3) Inspect AC compressor for excessive noise.

(a) If AC compressor is excessively noisy, fault has

not been corrected. Shut off engine, turn fan

control switch and temperature control switch to

off, and notify Supervisor.

PLSAC163

(b) If AC compressor is free from excessive noise,

fault has been corrected.

(4) Install driver side noise panel (WP 0051).

END OF WORK PACKAGE

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