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 506 of 1188

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

0085-6

DRAFT

0085

TFFT03910

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 6.

Disconnect pump house wire harness glow plug control relay connector.

While an

assistant puts START PUMP ENGINE START switch to START position (WP 0004),

check for 22 to 28 VDC across pump house wire harness wire 4072 (green) from pump

house wire harness glow plug control relay connector, terminal 2 to a known good

ground.

If 22 to 28 VDC are not present, repair wire 4072 in pump house wire

harness if repairable (TM 9-2320-325-14&P), or replace pump house wire

harness (WP 0458).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION