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 822 of 1318

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

0074-8

DRAFT

0074

Change 1

END OF TASK

FOLLOW-ON MAINTENANCE

1.

Install hump hose if removed (WP 0187)

2.

Remove wheel chocks (TM 9-2320-422-10)

END OF TASK

END OF WORK PACKAGE

.

HWT2980

.

Step 12.

Check if air can be heard escaping from water tank fill cover vent.

.

If air cannot be heard escaping from water tank fill cover vent, fault

corrected.

.

WARNING

.

ICON 26

.

•

Be sure to wear proper eye protection to prevent injury or death.

Be careful when

using high air pressure. High air pressure can blow out parts, hoses, or debris with

force.

•

Air pressure should not exceed 50 PSI (345 kPa) during procedure. Failure to

comply may result in damage to equipment. Failure to comply may result in injury

to personnel.

.

Step 13.

Disconnect air hose from PUMP BLOW OUT adapter (WP 0033).

Release air pressure

from system.

Slide hump hose on to pipe (WP 0187).

Connect air hose to PUMP

BLOW OUT adapter (WP 0033).

While an assistant maintains 50 PSI (345 kPa) on

pressure governor display (WP 0033).

Check for air escaping from tank-to-pump valve.

.

a.

If air can be heard escaping from tank-to-pump valve, replace tank-to-

pump valve (WP 0322).

.

b.

If air cannot be heard escaping from tank-to-pump valve, replace tank

fill & re-circulating line valve (WP 0191).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION