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 686 of 1452

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

0175-8

DRAFT

0175

TFFT04318

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 11.

Check for 22 to 28 VDC between wire 4075 (red) from pump house power distribution

block relay P5, terminal 1 to a known good ground.

a.

If

22 to 28 VDC are present, replace relay P5 (WP 0413).

b.

If 22 to 28 VDC are not present, replace pump house power

distribution wire harness and block (WP 0457).