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 712 of 1188

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

0104-4

DRAFT

0104

TFFT02708

NOTE

Test should be done using both Foam A and Foam B separately. Operation of cylinder

can be checked by listening for metallic click.

Step 3.

Release bumper turret control discharge switch (WP 0004).

Open pump house panel

A (WP 0539).

Put FOAM SYSTEM switch to ON position.

Put FOAM TANK switch to

“A” or “B” position.

While an assistant pushes bumper turret control discharge

switch (WP 0004).

Check if bumper turret foam A or B multi-metering valve cylinder

operates to open position.

Flush foam system (WP 0031).

If bumper turret A or B foam multi-metering valve cylinder does not operate

to open position, go to Step 7.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION