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 1039 of 1188

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

0119-11

DRAFT

0119

TFFT04012

Step 16.

Turn battery disconnect switch to OFF position (WP 0007).

Disconnect cab pump

control wire harness cab power distribution wire harness connector.

With a test lead

set, check for continuity across cab pump control wire harness wire 2770 (blue) from

cab pump control wire harness TANK TO PUMP switch connector, terminal 4 to cab

pump control wire harness cab power distribution wire harness connector, terminal 14.

a.

If there is continuity, repair wire 2770 in cab power distribution wire

harness if repairable (TM 9-2320-325-14&P), or replace cab power

distribution wire harness and block (WP 0441).

b.

If there is no continuity, repair wire 2770 in cab pump control wire

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

control wire harness (WP 0443).

Step 17.

While an assistant puts cab TANK TO PUMP switch to open position (WP 0004), check

if tank-to-pump valve operates to open position.

If tank-to-pump valve operates to open position, go to Step 25.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION