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 485 of 1188

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

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DRAFT

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TFFT04438

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 6.

Turn water pump engine off (WP 0022).

Turn battery disconnect switch to OFF

position (WP 0007).

Remove cab instrument panel E (WP 0311).

Disconnect main

wire harness personnel cab pressure governor 12-terminal wire harness connector.

Open pump house panel A (WP 0539).

Disconnect pump operator’s panel wire

harness ECU wire harness connector.

With a test lead set, check for continuity across

wire 1967 from personnel cab pressure governor 12-terminal connector, terminal 9 to

ECU connector, terminal 23.

If continuity is not present, go to Step 10.

Step 7.

With a test lead set, check for continuity across wire 1966 from personnel cab pressure

governor 12-terminal connector, terminal 1 to ECU connector, terminal 25.

If continuity is not present, go to Step 9.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION