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 284 of 1452

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

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DRAFT

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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 water pump engine off (WP 0022).

Turn battery disconnect switch to OFF

position (WP 0007).

Open pump operator’s panel housing (WP 0325).

Disconnect

pump operator’s panel wire harness water pump engine gauge panel wire harness

connector.

Start water pump engine (WP 0022).

With a test lead set, check for 22 to 28

VDC at water pump engine gauge panel connector wire 1118 terminal 4, to a known

good ground.

If 22 to 28 VDC is not present, repair wire 1118 in pump operator’s panel

wire harness if repairable (TM 9-2320-325-14&P), or replace pump

operator’s panel wire harness (WP 0459).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION