AC COMPRESSOR EXCESSIVELY NOISY

DRAFT

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

0013

AC COMPRESSOR EXCESSIVELY NOISY

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INITIAL SETUP:

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Maintenance Level

Materials/Parts

Field Level Maintenance

None

Equipment Condition

Personnel Required

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

MOS 52C, Utilities equipment repairer

Parking brake applied (TM 9-2320-364-10).

References

Wheels chocked (TM 9-2320-364-10).

TM 9-2320-364-10

Tools and Special Tools

TM 9-2320-364-20

Tool Kit, General Mechanic's (Item 9, Appendix F)

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START

WARNING

1.

KNOWN INFO

TEST OPTIONS

Read WARNING on

AC operates.

Visual inspection.

page 0013-3.

POSSIBLE PROBLEMS

REASON FOR QUESTION

Is AC compressor free from

AC compressor damaged.

Damaged compressor may

damage?

cause excessive noise.

Engine accessory drive assembly loose or

damaged.

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AC compressor mounting bracket damaged

or hardware missing or loose.

AC compressor belts loose or damaged.

AC compressor faulty.

Recover R-134a

refrigerant

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(WP 0053). Replace

AC compressor

(WP 0022) and AC

condenser dryer

NO

(WP 0024).

Evacuate and charge

system (WP 0053).

YES

Verify repair, go to

Step 5 of this fault.

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