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 1092 of 1188

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

0122-6

DRAFT

0122

TFFT03797

Step 5.

Put WATER TANK DRAIN switch to CLOSED position (WP 0004).

Turn battery

disconnect switch to OFF position (WP 0007).

With a test lead set, check for continuity

across wire 2200 (black) from valve control wire harness water tank drain control valve

connector, terminal 2 to a known good ground.

a.

If there is continuity, replace water tank drain control valve (WP 0279).

b.

If there is no continuity, repair wire 2200 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