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 419 of 1188

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

0073-3

DRAFT

0073

TFFT04686

Step 4.

Turn battery disconnect switch to OFF position (WP 0007).

Remove relay P7 from

pump house power distribution block. Turn battery disconnect switch to ON position

(WP 0007).

Check for 22 to 28 VDC at pump house distribution block wire 4070

(white), terminal 3 to a known good ground.

If 22 to 28 VDC are not present, repair wire 4070 in pump house power

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

pump house power distribution wire harness and block (WP 0457).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION