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 563 of 1318

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

0065-7

DRAFT

0065

NOTE

•

Do not engage PUMP PTO during procedure.

Valve operations cab be checked without

water pump operations.

•

Valve motor 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.

•

Do not remove cap from DRIVER SIDE AUX. INLET.

Water may be released from system

when valve is operated.

Step 9.

Push battery disconnect switch to on position (WP 0007).

While an assistant pushes

pump operator’s panel DRIVER SIDE AUX. INLET valve control OPEN and CLOSE

buttons

(WP 0004), check if DRIVER SIDE AUX. INLET valve control THROTTLED

(yellow) indicator illuminates and driver side auxiliary inlet valve motor operates.

If indicator illuminates and valve motor operates, replace driver side

auxiliary inlet valve drive assembly

(WP 0248).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION