TM-5-4210-249-13-P-2

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 2 OF 4

TM-5-4210-249-13-P-2 - Page 127 of 1452

TM 5-4210-249-13&P-2

0131-7

DRAFT

0131

TFFT03554

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 9.

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

Remove relay 13 from cab

power distribution block (WP 0402).

Install fuse FS 8 (WP 0401).

Turn battery

disconnect switch to ON position (WP 0007).

Check for 22 to 28 VDC between cab

power distribution wire harness wire 1361 (grey) at relay 13, terminal 1 and terminal 5 to

a known good ground.

If 22 to 28 VDC are not present at both terminals, replace cab power

distribution wire harness and block (WP 0441).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION