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 747 of 1318

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

0072-83

DRAFT

0072

Change 1

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HWT2998

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Step 101.

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

Disconnect main wire harness

pump operator’s panel 27-pin connector. Push battery disconnect switch to on

position (WP 0007).

With a test lead set, check for 22 to 28 VDC between wire 1118

(red) at main wire harness pump operator’s panel 27-pin connector, terminal 9 to a

known good ground.

..

a.

If there is continuity, repair wire 1118 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).

..

b.

If there is no continuity, repair wire 1118 in main wire harness if

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

(WP 0292).

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HWT2708

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Step 102.

Turn Service Drive Lights On (TM 9-2320-422-10).

With a test lead set, check for 22 to

28 VDC between wire 2839 (white) at pump operator’s panel wire harness pressure

governor control connector, terminal 3 and a known good ground.

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If 22 to 28 VDC are present, go to Step 104.

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION