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 632 of 1318

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

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DRAFT

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HWT0576

NOTE

•

Do not engage PUMP PTO during this procedure.

Valve operations can be checked

without water pump operations.

•

Valve motor operation can be checked either by noting vibration of valve assembly, or by

observing rotation of 7/16” hex at end of valve drive assembly worm gear shaft.

•

Do not remove cap from PASSENGER SIDE AUX. INLET.

Water may be released from

the system when valve is operated.

Step 9.

Push battery disconnect switch to on position (WP 0007).

While an assistant pushes

pump operator’s panel PASSENGER SIDE AUX. INLET valve control OPEN and

CLOSE buttons (WP 0004), check if PASSENGER SIDE AUX. INLET valve control

THROTTLED (yellow) indicator illuminates and passenger side auxiliary inlet valve

motor operates.

If indicator illuminates and valve motor operates, replace passenger side

auxiliary inlet valve drive assembly (WP 0248).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION