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 1176 of 1318

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

0106-8

DRAFT

0106

Change 1

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HWT0824

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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 9.

Disconnect cab instrument panel wire harness side warning light flasher unit connector.

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

Turn Service Drive Lights On

(TM 9-2320-422-10).

Put EMERG MASTER switch to on position (WP 0004).

With a

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

1648 (yellow) at side warning light flasher unit connector, terminal 1 and a known good

ground.

.

If 22 to 28 VDC are not present, repair wire 1648 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 10.

Put SIDE WARNING switch to on position (WP 0004).

Check for 22 to 28 VDC

between cab instrument panel wire harness wire 1649 (yellow) at side warning light

flasher unit connector, terminal 2 and a known good ground.

.

If 22 to 28 VDC are not present, repair wire 1649 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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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION