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 261 of 1318

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

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DRAFT

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Change 1

PREPARATION FOR COLD WEATHER OPERATION

1.

Ensure vehicle has been parked in a warm shelter 55°F (13°C) or warmer prior to operations.

2.

Ensure onboard water tank is full.

3.

Ensure foam agent tank is filled (WP 0022).

Use class A foam agent rated for a minimum of -20°F (-29°C).

4.

Ensure water pump is drained and in a “dry condition” (WP 0015).

5.

Ensure all valves are closed and caps are installed.

OPERATING IN COLD WEATHER

CAUTION

If main water pump is in a “wet” (flooded) condition during cold weather operations,

pump must be engaged and re-circulating water to prevent freezing of pump and

plumbing.

Failure to comply may result in damage to equipment.

NOTE

Winterization package allows operation of water pump, foam system and body to -25°F

(-32°C) for a period of no longer than two hours.

This package includes one diesel fired

27,300 BTU heater, located inside pump house compartment.

Heater automatically turns

on at 39°F (+/- 2°F), 4°C (+/- 1°C), and turns off at 39°F (+/- 3°F), 4°C (+/- 1°C).

1.

Start vehicle engine (TM 9-2320-422-10).

2.

Proceed to scene.

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