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 1203 of 1318

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

0107-9

DRAFT

0107

Change 1

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Step 10.

Put UPPER REAR WARNING switch to on position (WP 0004).

Check for 22 to

28 VDC between cab instrument panel wire harness wire 1632 (brown) at upper rear

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

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If 22 to 28 VDC are not present, repair wire 1632 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 11.

Put EMERG MASTER and UPPER REAR WARNING switches to off position

(WP 0004).

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 upper rear warning light flasher unit connector,

terminal 4 to a known good ground.

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a.

If there is continuity, replace upper rear warning light flasher unit

(WP 0196).

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b.

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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HWT3286

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Step 12.

Check if all three driver side upper rear warning lights operate.

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a.

If all three driver side upper rear warning lights are operating, go to

Step 21.

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Step 13.

Check if at least one driver side upper rear warning light operates.

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a.

If all three driver side upper rear warning lights do not operate, go to

Step 16.

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION