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 617 of 1318

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

0069-9

DRAFT

0069

Change 1

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HWT0565

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Step 10.

Open pump operator’s panel (WP 0207).

Check No. 2 passenger side discharge valve

control wire harness at NO. 2 PASSENGER SIDE DISCHARGE valve control and No. 2

passenger side discharge valve motor for loose connections.

..

If No. 2 passenger side discharge valve control wire harness connectors are

loose, reconnect loose connectors (WP 0284).

..

NOTE

•

Engine may have to be running to provide enough power to operate valve control.

Valve

will operate with less voltage, but only yellow indicator light will register on valve control.

•

Do not engage PUMP PTO during this procedure.

Valve operations can be checked

without water pump operation.

•

Valve motor operation can be checked 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 NO. 1 DRIVER SIDE DISCHARGE.

Water may be released from

system when valve is operated.

..

Step 11.

While an assistant pushes pump operator’s panel NO. 2 PASSENGER SIDE

DISCHARGE valve control OPEN and CLOSE buttons (WP 0004), check if NO. 2

PASSENGER SIDE DISCHARGE valve control yellow indicator illuminates and No. 2

passenger side discharge valve motor operates.

..

If indicator illuminates and valve motor operates, replace No. 2 passenger

side discharge valve drive assembly (WP 0248).

..

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION