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 636 of 1188

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

0098-6

DRAFT

0098

TFFT03492

NOTE

Multi-metering valve operation can be checked by listening for metallic click during

cylinder operation or by observing piston tab.

Step 5.

Put cab FOAM SYSTEM switch to ON position (WP 0004).

Put FOAM TANK switch to

“A” position (WP 0004).

Check if roof turret foam A multi-metering valve cylinder

operates to OPEN position.

If roof turret foam A multi-metering valve cylinder does not operate to open

position go to Step 13.

Step 6.

While an assistant puts cab or pump operator’s panel FOAM SYSTEM switch to ON

position (WP 0004), put FOAM TANK switch to “B” position (WP 0004).

Check if roof

turret foam B multi-metering valve cylinder operates to OPEN position.

If roof turret foam B multi-metering valve cylinder does not operate to OPEN

position, go to Step 8.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION