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 1020 of 1318

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

0089-32

DRAFT

0089

Change 1

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HWT1954

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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 46.

Turn Engine switch to OFF position (TM 9-2320-422-10).

Turn Service Drive Lights

Off (TM 9-2320-422-10).

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

Disconnect cab instrument panel wire harness cab power distribution wire harness

connector.

Push battery disconnect switch to on position (WP 0007).

With a test lead

set, check for 22 to 28 VDC between cab instrument panel wire harness wire 1020

(pink) at cab instrument panel wire harness cab power distribution wire harness

connector, terminal 8 and a known good ground.

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a.

If 22 to 28 VDC are present, repair wire 1020 in cab power distribution

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

power distribution wire harness and block (WP 0280).

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b.

If 22 to 28 VDC are not present, repair wire 1020 in cab instrument

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

instrument panel wire harness (WP 0279).

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Step 47.

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

Check if front and rear lower warning light operates.

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If front and rear lower warning lights do not operate, troubleshoot Warning

Lights (All) Do Not Operate (WP 0102).

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION