TM-5-4210-249-13-P-1

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 1 OF 4

TM-5-4210-249-13-P-1 - Page 401 of 1188

TM 5-4210-249-13&P-1

0071-1

DRAFT

0071

FIELD LEVEL MAINTENANCE

CREW CAB AIR CONDITIONER COMPRESSOR EXCESSIVELY NOISY

INITIAL SETUP:

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

CREW CAB AIR CONDITIONER COMPRESSOR EXCESSIVELY NOISY

NOTE

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Technician must be certified in mobile air conditioning system (MOS 52C) to work on

refrigerant system of the air conditioner.

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The R134a refrigerant must be recovered before removing any air conditioner refrigerant

system components.

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Flushing procedure should be performed any time a compressor is replaced or when

expansion valve or dryer becomes clogged. Do not flush through compressor.

Flushing

removes all refrigerant oil.

Do not flush expansion valve; bench check only.

Only flush

components after refrigerant has been recovered.

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Install a new air conditioner dryer after replacing any air conditioner refrigerant system

component.

Install dryer only after all air conditioner system flushing is complete.

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Always evacuate air conditioner system before charging.

Tools and Special Tools

Tool Kit, General Mechanic’s: Automotive

(WP 0622, Item 27)

References

WP 0210

WP 0217

Equipment Conditions

Water pump engine OFF (WP 0022)

Engine OFF (TM 9-2320-347-10)

Wheels chocked (TM 9-2320-347-10)