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 829 of 1318

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

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DRAFT

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HWT0447

Step 5.

While an assistant pushes pump operator’s panel TANK FILL & RE-CIRCULATING

LINE valve control OPEN and CLOSE buttons (WP 0004), check if tank fill &

re-circulating line valve worm gear shaft moves excessively after valve is fully opened

or closed.

If tank fill & re-circulating line valve worm gear shaft moves excessively after

valve is fully open or closed, remove and reinstall tank fill & re-circulating

line valve motor (WP 0248), ensuring all mounting hardware is secure.

NOTE

Water tank must be drained.

Water will be released from water tank uncontrollably when

tank fill & re-circulating line valve is removed.

Step 6.

Drain water tank if required (WP 0015).

Pull battery disconnect switch to off position

(WP 0007).

Remove tank fill & re-circulating line valve (WP 0191) and inspect it for

binding, damage, and contamination.

a.

If tank fill & re-circulating line valve is free from binding, damage, and

contamination, reinstall valve (WP 0191), and go to Step 5.

b.

If tank fill & re-circulating line valve is binding, damaged, and/or

contaminated, repair (WP 0249) or replace tank fill & re-circulating line

valve (WP 0191).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION