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 418 of 1188

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

0073-2

DRAFT

0073

TFFT04685

WARNING

ICON 3

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment, or

severe burns or electrical shock to personnel.

Step 3.

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

Remove relay P8 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 1673

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

If 22 to 28 VDC are present, go to Step 6.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION