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 675 of 1318

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

0072-11

DRAFT

0072

Change 1

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HWT2625

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Step 15.

Turn ENGINE switch to OFF position (TM 9-2320-422-10).

Pull battery disconnect

switch to off position (WP 0007).

Open pump house access door assembly (WP 0008).

Disconnect pump house wire harness manual override manifold pump displacement

solenoid connector.

Disconnect pump house wire harness pressure governor ECU J1

connector (WP 0288).

With a test lead set, check for continuity across pump house

wire harness wire 3263 (green) from pump house wire harness manual override

manifold pump displacement solenoid connector, terminal 1 to pump house wire

harness pressure governor ECU J1 connector, terminal 48.

..

If there is no continuity, repair wire 3263 in pump house wire harness if

repairable (TM 9-2320-325-14&P), or replace pump house wire

harness (WP 0302).

..

Step 16.

With a test lead set, check for continuity across pump house wire harness wire 3264

(black) from pump house wire harness manual override manifold pump displacement

solenoid connector, terminal 2 to pump house wire harness pressure governor ECU J1

connector, terminal 50.

..

If there is no continuity, repair wire 3264 in pump house wire harness if

repairable (TM 9-2320-325-14&P), or replace pump house wire

harness (WP 0302).

..

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION