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 325 of 1188

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

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DRAFT

0055

OPERATOR LEVEL MAINTENANCE

CREW CAB HEATER DOES NOT OPERATE PROPERLY

INITIAL SETUP:

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

CREW CAB HEATER DOES NOT OPERATE PROPERLY

TFFT04081

Step 1.

Check if crew cab heater/air conditioner control switch is in ON position.

If crew cab heater/air conditioner control switch is not in ON position, place

switch in ON position.

Step 2.

Check if crew cab heater/air conditioner intake filter is free from blockage.

If crew cab heater/air conditioner intake filter is blocked, clear blockage.

References

WP 0004

WP 0007

Equipment Conditions

Water pump engine OFF (WP 0022)

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

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