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 555 of 1188

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

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DRAFT

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TFFT03710

Step 12.

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

Open pump operator’s

panel housing (WP 0325).

While an assistant holds pump operator’s panel FOAM

SYSTEM switch to OFF position (WP 0004), check for continuity across FOAM

SYSTEM switch from, terminal wire 2816 (red) to terminal wire 2831 (blue).

If there is no continuity, replace pump operator’s panel FOAM SYSTEM

switch (WP 0330).

TFFT03711

Step 13.

Disconnect cab pump control wire harness cab power distribution wire harness

connector.

Check for continuity across cab power distribution wire harness wire 2831

(blue) from cab power distribution block relay 10, terminal 1 to cab pump control wire

harness cab power distribution wire harness connector, terminal 18.

If there is no continuity, repair wire 2831 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).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION