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 657 of 1318

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

0071-19

DRAFT

0071

HWT0528

NOTE

•

Ensure system air pressure is at least 85 psi (586 kPa) during this procedure.

System air

pressure is required to activate valves.

•

Do not engage PUMP PTO during this procedure, except when performing complete

system checks.

Valve operations can be checked without water pump operation.

•

Valve operations can be checked by observing valve shaft rotation.

Step 27.

While an assistant puts cab PUMP COOLER switch to on position (WP 0004), check if

pump cooler valve operates to open position.

If pump cooler valve does not operate to open position, go to Step 34.

HWT1199

Step 28.

Put cab PUMP COOLER switch to off position (WP 0004).

Put pump operator’s panel

REEL DISCHARGE switch to ON position (WP 0004).

Check if REEL DISCHARGE

indicator illuminates.

If REEL DISCHARGE indicator does not illuminate, go to Step 32.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION