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 241 of 1318

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

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DRAFT

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Change 1

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NOTE

Perform Step (9) only if foam system and foam agent tank is going to be left in a “dry

condition”.

9.

Drain and flush foam agent from foam tank (WP 0022).

NOTE

Ensure all inlet and discharge valve controls are in closed position before proceeding.

10. Put WATER TANK DRAIN switch (4) to OPEN position.

Indicator light (5) will illuminate.

Keep WATER TANK

DRAIN valve in open position during entire procedure.

11. Put FOAM FLUSH switch (6) to ON position.

Indicator light (7) will illuminate.

12. Open manual FOAM METERING valve (8) to fully open position.

HWT1443A