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 982 of 1188

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

0115-36

DRAFT

0115

TFFT04118

Step 63.

Open pump operator’s panel housing (WP 0325).

Remove pump primer motor diode

pack from pump operator’s panel wire harness pump primer motor diode pack

connector (WP 0419).

While an assistant puts pump operator’s panel DRIVER MAIN

INLET PRIMER switch to on position (WP 0004), with a test lead set, check for 22 to 28

VDC between pump operator’s panel wire harness wire 2788 (blue) at pump primer

motor diode pack connector terminal C, and a known good ground.

If 22 to 28 VDC are not present, go to Step 72.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION