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 981 of 1188

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

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DRAFT

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TFFT04376

WARNING

ICON 3

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment, or

severe burns or electrical shock to personnel.

Step 62.

While an assistant pushes and holds pump operator’s panel DRIVER MAIN INLET

PRIMER switch (WP 0004), check for 22 to 28 VDC between main wire harness wire

2774 (red) at primer pump motor solenoid terminal and a known good ground.

If 22 to 28 VDC are not present, go to Step 73.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION