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 679 of 1188

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

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DRAFT

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TFFT03958

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 12.

Turn battery disconnect switch to ON position

(WP 0007).

Check for 22 to 28 VDC

between wire 2834 (red) at FOAM FLUSH switch, terminal to a known good ground.

a.

If 22 to 28 VDC are not present, repair wire 2834 in pump operator’s

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

pump operator’s panel wire harness (WP 0459).

b.

If 22 to 28 VDC are present, replace FOAM FLUSH switch (WP 0338).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION