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 831 of 1318

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

0075-9

DRAFT

0075

HWT0448

NOTE

•

Do not engage PUMP PTO during this procedure.

Valve operations can be checked

without water pump operation.

•

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.

Step 8.

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

While an assistant pushes

pump operator’s panel TANK FILL & RE-CIRCULATING LINE valve control OPEN and

CLOSE buttons (WP 0004), check if TANK FILL & RE-CIRCULATING LINE valve

control yellow THROTTLED indicator illuminates and tank fill & re-circulating line valve

motor operates.

If indicator illuminates and valve motor operates, replace tank fill &

re-circulating line valve drive assembly (WP 0248).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION