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 403 of 1188

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

0072-1

DRAFT

0072

FIELD LEVEL MAINTENANCE

CREW CAB AIR CONDITIONER DOES NOT COOL OR COOLS INADEQUATELY

INITIAL SETUP:

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

CREW CAB AIR CONDITIONER DOES NOT COOL OR COOLS INADEQUATELY

NOTE

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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 anytime a compressor is replaced or if

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

Lead Set, Test (WP 0622, Item 21)

Leak Test Kit (WP 0622, Item 23)

Reclaimer, Refrigerant (WP 0622, Item 24)

Tool Kit, General Mechanic’s: Automotive

(WP 0622, Item 27)

Personnel Required

MOS 52C Utilities Equipment Repairer

References

WP 0008

WP 0009

WP 0070

WP 0197

WP 0198

WP 0200

References (continued)

WP 0206

WP 0210

WP 0211

WP 0213

WP 0214

WP 0216

WP 0217

WP 0501

Equipment Conditions

Water pump engine OFF (WP 0022)

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

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