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 1130 of 1188

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

0125-12

DRAFT

0125

TFFT02771

Step 13.

Remove relay P6 from pump house power distribution block (WP 0413). Turn battery

disconnect switch to ON position (WP 0007).

Put WINDSHIELD DELUGE switch to on

position (WP 0004).

Check for 22 to 28 VDC between wire 2769 (red) at pump house

power distribution block relay P6, terminal 1 and a known good ground.

If 22 to 28 VDC are not present, go to Step 21.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION