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 744 of 1318

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

0072-80

DRAFT

0072

Change 1

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HWT2704A

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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 97.

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

Disconnect main wire harness

cab pressure governor control connector (WP 0197).

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 cab pressure governor control connector, terminal 1 and a

known good ground.

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If 22 to 28 VDC are present, repair wire 1663 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