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 825 of 1318

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

0075-3

DRAFT

0075

HWT0447

NOTE

Valve 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 2.

Remove pump house panel K (WP 0339).

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 operates.

If tank fill & re-circulating line valve does not open and close, go to Step 7.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION