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 604 of 1318

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

0068-14

DRAFT

0068

Change 1

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HWT0595

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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 19.

Install circuit breaker P5 (WP 0262).

Open pump operator’s panel (WP 0207).

Disconnect pump house wire harness NO. 1 DRIVER SIDE DISCHARGE VALVE

control connector.

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

With a

test lead set, check for 22 to 28 VDC between pump operator’s panel wire harness wire

4076 (purple) at NO. 1 DRIVER SIDE DISCHARGE valve control connector, terminal A

and a known good ground.

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If 22 to 28 VDC are not present, go to Step 21.

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Step 20.

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

With a test lead set, check for

continuity across wire 3895 (black) from pump operator’s panel NO. 1 DRIVER SIDE

DISCHARGE valve control connector, terminal B and a known good ground.

.

a.

If there is continuity, replace NO. 1 DRIVER SIDE DISCHARGE valve

control (WP 0210).

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b.

If there is no continuity, repair wire 3895 in pump operator’s panel wire

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

operator’s panel wire harness (WP 0303).

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION