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 644 of 1188

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

0098-14

DRAFT

0098

TFFT03497

Step 16.

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

Reconnect air line at roof

turret foam A multi-metering valve cylinder.

Disconnect valve control wire harness roof

turret foam A multi-metering connector.

Put cab FOAM SYSTEM switch to on position

(WP 0004).

Put cab FOAM SELECT switch to A position (WP 0004).

With a test lead

set, check for 22 to 28 VDC between valve control wire harness wire 4055 (purple) at

ROOF TURRET FOAM A foam system flow control manifold connector, terminal 1, and

a known good ground.

If 22

to 28 VDC are not present, repair wire 4055 (purple) in valve control

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

wire harness (WP 0463).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION