Water Heater. - TM-3-4230-209-20-P0026

TM 3-4230-209-20&P

1-16

(4) Open VALVE NO. 1 MANIFOLD (6) on pump unit. This routes the

b. Water Heater.

water from the upper DISCHARGE quick disconnect (7) to the lower quick

(1) Fuel (gasoline, diesel fuel, or kerosene), water, and electricity must

disconnect (8) on the heater unit to fill the boiler (9). As water enters the boiler

be supplied to the water heater. Subparagraph a. above and

from the lower quick disconnect, air in top of boiler is forced out of the boiler

TM 3-4230-209-10 cover the water supply.

through the upper quick disconnect (10) and water hose (11) and pumped into

(2) The fuel hose assembly (1) connects a 5-gallon can (2) to the fuel

the tank unit where it is released. When all the air has been expelled, water will

supply and return quick disconnect fittings (3) on the water heater. The free

be transferred back to the tank unit. When water is flowing through the upper

end of the electrical power cable (4), stored in top of the heater, connects the

quick disconnect, the boiler is completely full of water and safe to start heating

water heater to the pump unit HEATER RECEPTACLE AND SWITCH OFF/

operations.

ON (5).

(5) Placing the pump unit HEATER RECEPTACLE AND SWITCH

(3) With the electrical power cable (4), fuel hose assembly (1), and all

OFF/ON (5) to ON routes the 24 vdc power to the heater control box

hoses connected for the mode operation needed (see TM 3-4230-209-10) and

assembly (12) on the water heater.

the pump running at 3850 RPM, the heater unit can be powered up.