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 593 of 1318

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

0068-3

DRAFT

0068

Change 1

.

HWT0585

.

NOTE

•

Valve 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 3.

Open pump house controls access door (WP 0008).

While an assistant pushes pump

operator’s panel NO. 1 DRIVER SIDE DISCHARGE valve control OPEN and CLOSE

buttons (WP 0004), check if No. 1 driver side discharge valve operates to open and

close positions.

.

If No. 1 driver side discharge valve does not operate to open and close

positions, go to Step 10.

.

Step 4.

While an assistant monitors the operation of No. 1 driver side discharge valve.

Push

pump operator’s panel NO. 1 DRIVER SIDE DISCHARGE valve control OPEN and

CLOSE buttons (WP 0004).

Check if NO. 1 DRIVER SIDE DISCHARGE valve control

opened (green) and closed (red) indicators illuminate before No. 1 driver side discharge

valve is fully open and closed.

.

If NO. 1 DRIVER SIDE DISCHARGE valve control indicators illuminate

before No. 1 driver side discharge valve is fully opened or closed, go to

Step 14.

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION