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 646 of 1318

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

0071-8

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 12.

Release pump operator’s panel PUMP COOLER switch (WP 0004).

While an assistant

puts cab PUMP COOLER switch to off position (WP 0004), check if pump cooler valve

operates to closed position.

If pump cooler valve does not operate to closed position, go to Step 16.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION