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 720 of 1318

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

0072-56

DRAFT

0072

Change 1

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HWT2639A

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Step 62.

With a test lead set, check for continuity across pump house wire harness wire 3296

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

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

terminal 57.

..

If there is no continuity, repair wire 3296 in pump house wire harness if

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

harness (WP 0302).

..

Step 63.

Disconnect pump house wire harness pressure governor ECU J2 connector.

With a

test lead set, check for continuity across pump house wire harness wire 3284 (white)

from pump house wire harness discharge pressure transducer connector, terminal C to

pump house wire harness pressure governor ECU J2 connector, terminal 24.

..

a.

If there is continuity, replace pressure governor ECU (WP 0288).

..

b.

If there is no continuity, repair wire 3284 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