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 200 of 1188

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

0033-2

DRAFT

0033

STARTING FOAM SOLUTION FLOW

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

1.

Start water pump engine (WP 0022).

NOTE

Valve is completely closed when red light illuminates.

2.

Push TANK FILL & RE-CIRCULATION LINE valve CLOSE button (1) until red indicator light (2) illuminates.

3.

Put FOAM SYSTEM switch (3) to ON position.

Indicator light (4) will illuminate.

4.

Put FOAM TANK selector switch (5) to desired foam agent.

Indicator light A (6) or light B (7) will illuminate.

5.

Make sure correct FOAM TANK selector indicator light A (6) or B (7) is illuminated.

NOTE

If operating from a hydrant source, check pump suction pressure.

Intake pressure must

be 5 psi (34 kPa) or less or proportioner will not function properly.

6.

Establish water flow to desired discharge outlet(s) (WP 0025), (WP 0026), or (WP 0027).

TFFT02220