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 983 of 1188

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

0115-37

DRAFT

0115

TFFT04119

Step 64.

While an assistant pushes pump operator’s panel PUMP 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 1590 (red) at pump primer motor diode pack connector, terminal B

and a known good ground.

If 22 to 28 VDC are not present, go to Step 71.

Step 65.

While an assistant puts personnel cab PUMP PRIME 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 1590 (red) at pump primer motor diode pack connector, terminal B and a

known good ground.

If 22 to 28 VDC are not present, go to Step 68.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION