TM-9-2320-328-13-P-1

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3

MARCH 2009

TM-9-2320-328-13-P-1 - Page 1021 of 1318

TM 9-2320-328-13&P-1

0089-33

DRAFT

0089

Change 1

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HWT0780

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WARNING

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ICON 3

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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.

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Step 48.

Put EMERG MASTER and F/R LOWER WARNING switches to off position (WP 0004).

Pull battery disconnect switch to off position (WP 0007).

Disconnect cab instrument

panel wire harness check for open compartment door when light is on flasher unit

connector (WP 0196). Pull battery disconnect switch to on position (WP 0007).

Turn

Service Drive Lights to On position (TM 9-2320-422-10).

With a test lead set, check for

22 to 28 VDC between wire 1186 (gray) at cab instrument panel wire harness check for

open compartment door when light is on flasher unit connector, terminals 1 and 2 and a

known good ground.

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If 22 to 28 VDC are not present, go to Step 57.

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Step 49.

Turn Service Drive Lights Off (TM 9-2320-422-10).

Pull battery disconnect switch to off

position (WP 0007).

Check for continuity across wire 1640 (black) from cab instrument

panel wire harness check for open compartment door when light is on flasher unit

connector, terminal 4 to a known good ground.

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If there is no continuity, repair wire 1640 in cab instrument panel wire

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

panel wire harness (WP 0280).

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION