TM 3-4230-209-10
HOSE AND CABLE STORAGE COMPARTMENTS (4). Stores power cable assembly,
fuel hose and filler opening assembly, and water hose assembly.
REFRACTORY BOX (5). Evenly distributes heat from the combustor ignited fuel air
mixture from the boiler into the heat exchange tubing, where most of the heat exchange
takes place.
FRAME (6). A welded steel frame that serves as a mount for components of the water
heater.
BOILER (7). A holding tank for heating water.
FUEL PUMP AND IGNITION DRIVE MOTOR (8). 24 Vdc. Prime mover for the fuel pump
and the combustor ignition magneto.
FUEL SOLENOID VALVE (9). Controls the flow of fuel through the solenoid valve body to
the heater or back to the fuel source.
SKID ASSEMBLY (10). Provides a base for the water heater and a means to forklift the
entire unit.
COMBUSTOR ASSEMBLY(11). In the combustor assembly the combustor igniter
ignites an atomized fuel mixture and forced air from the blower motor and then drives the
burning fuel-air mixture through the boiler.
CONTROL PANEL (12). Contains TEMPERATURE SELECTOR valve, HEATER ON/
PURGE ON SWITCH, WATER PRESSURE, FUEL PRESSURE and WATER TEMPERA-
TURE gages, and a TEMPERATURE SELECTOR CAUTION plate.
COMBUSTION AIR BLOWER MOTOR (13). Forces air into the combustor assembly.
EXHHAUST STACK (14). Exhaust heat and fumes from the combustor assembly.
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