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 1062 of 1318

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

0096-2

DRAFT

0096

Change 1

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HWT0390

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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.

.

Step 2.

Remove cab instrument panel C (WP 0205).

Check for 22 to 28 VDC between cab

instrument panel wire harness wire 1677 (white) at PUMP PTO ENGAGED indicator

connector and a known good ground, with PUMP PTO engaged.

.

If 22 to 28 VDC are not present, go to Step 5.

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Step 3.

Put cab PUMP PTO switch to off position (WP 0004).

Shut off engine

(TM 9-2320-422-10).

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

Check

for continuity across cab instrument panel wire harness wire 1640 (black) from PUMP

PTO ENGAGED indicator connector to a known good ground.

.

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 0279).

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Step 4.

Remove jumperwire 2768 (white) from PUMP PTO ENGAGED indicator terminals.

Check for continuity across wire 2768 (white).

.

a.

If there is continuity, replace PUMP PTO ENGAGED indicator

lamp (WP 0198).

.

b.

If there is no continuity, repair or replace jumperwire 2768

(TM 9-2320-325-14&P).

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION