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 1131 of 1188

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

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DRAFT

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TFFT02722

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 14.

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

Put WINDSHIELD

DELUGE switch to off position (WP 0004). Remove driver side crew cab access

panel (WP 0499).

Remove pump house panel Q (WP 0540).

Install relay

P6 (WP 0413).

Disconnect pump house wire harness windshield deluge pump

connector.

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

Put

WINDSHIELD DELUGE switch to on position (WP 0004).

With a test lead set, check

for 22 to 28 VDC between pump house wire harness wire 1065 (pink) at windshield

deluge pump connector, terminal A and a known good ground.

If 22 to 28 VDC are not present, go to Step 16.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION