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 727 of 1318

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

0072-63

DRAFT

0072

Change 1

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HWT2650

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Step 73.

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

Disconnect pump house wire

harness intake vacuum transducer connector.

Disconnect pump house wire harness

pressure governor ECU J1 connector.

With a test lead set, check for continuity across

pump house wire harness wire 3287 (orange) from pump house wire harness intake

vacuum transducer connector, terminal A to a known good ground.

..

If there is continuity, repair wire 3287 in pump house wire harness if

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

harness (WP 0302).

..

Step 74.

With a test lead set, check for continuity across pump house wire harness wire 3291

(black) from pump house wire harness intake vacuum transducer connector, terminal B

to a known good ground.

..

If there is continuity, repair wire 3291 in pump house wire harness if

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

harness (WP 0302).

..

Step 75.

With a test lead set, check for continuity across pump house wire harness wire 3282

(orange) from pump house wire harness discharge pressure transducer connector,

terminal C to a known good ground.

..

If there is continuity, repair wire 3282 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