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 766 of 1318

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

0072-102

DRAFT

0072

Change 1

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HWT2713A

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WARNING

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ICON 3 AND 15

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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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Stay clear of rotating PUMP PTO drive shaft.

Clothing or other material may catch

on rotating PUMP PTO drive shaft, causing damage to equipment or serious injury

or death to personnel.

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CAUTION

Engine must be at idle before engaging PTO.

Failure to comply will result in

damage to PTO and/or transmission.

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Step 124.

Put PUMP PTO switch to off position (WP 0004).

Turn engine off (TM 9-2320-422-10).

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

Disconnect pump house wire

harness pressure governor ECU J1 connector (WP 0288).

Push battery disconnect

switch to on position (WP 0007).

Start engine (TM 9-2320-422-10).

While an assistant

puts PUMP PTO switch to on position (WP 0004), with a test lead set, check for

continuity across pump house wire harness wire 1973 at pressure governor ECU J1

connector, terminal 27 and

a known good ground.

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

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION