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 1112 of 1318

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

0102-10

DRAFT

0102

Change 1

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HWT1186

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Step 12.

Check for 22 to 28 VDC between cab instrument panel wire harness wire H835 (white)

at blackout relay 2, terminal 86 and a known good ground.

.

If 22 to 28 VDC are not present, repair wire H835 in cab instrument panel

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

panel wire harness (WP 0279).

.

Step 13.

Check for 22 to 28 VDC between cab instrument panel wire harness wire 1138 (red) at

blackout relay 2, terminal 30 and a known good ground.

.

If 22 to 28 VDC are not present, repair wire 1138 in cab instrument panel

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

panel wire harness (WP 0279).

.

Step 14.

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

blackout relay 2, terminal 85 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).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION