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 656 of 1188

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

0099-10

DRAFT

0099

TFFT03397

Step 11.

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

Reconnect air line at

ground sweeps foam B multi-metering valve cylinder.

Disconnect valve control wire

harness GROUND SWEEPS FOAM B foam system flow control manifold connector.

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

Put cab FOAM SELECT

switch to B position (WP 0004), with a test lead set, check for 22 to 28 VDC between

valve control wire harness wire 2772 (gray) at ground sweeps foam B foam system flow

control manifold connector, terminal 1, and a known good ground.

If 22 to 28 VDC are not present, repair wire 2772 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