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 745 of 1318

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

0072-81

DRAFT

0072

Change 1

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HWT2706A

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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.

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Step 98.

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 main wire harness cab pressure governor control

connector, terminal 3 and a known good ground.

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If 22 to 28 VDC are not present, repair wire 2839 in main wire harness if

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

harness (WP 0292).

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Step 99.

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

Pull battery disconnect switch to off

position (WP 0007).

With a test lead set, check for continuity across main wire harness

wire 1640 (black) from main wire harness cab pressure governor control connector,

terminal 2 to a known good ground.

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a.

If there is continuity, replace cab pressure governor control (WP 0197).

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b.

If there is no continuity, repair wire 1640 in main wire harness if

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

harness (WP 0292).

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION