John Deere AC-350 User Manual

Page 13

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Preparation

Operator’s Manual

1

theOrY OF OperAtION

the Fuel System: The motor turns the fuel pump. The fuel pump pulls fuel from the fuel tank. The fuel pump

pushes fuel through a filter and a solenoid valve and out the burner head nozzle. A fine mist of fuel is sprayed into

the combustion chamber.

the Air System: The motor turns the fan. The fan pushes air into and around the combustion chamber. This air

is heated and provides a stream of clean, hot air.

the Ignition System: The electronic ignitor sends voltage to the spark plug. The spark plug ignites the fuel and

air mixture.

the Flame-Out Control System: This system causes the heater to shut down if the flame goes out. It also allows

the fan to continue running after normal shutdown of heater. This cools the combustion chamber.

Fan

Clean

Heated

Air Out

Combustion Chamber Spark Plug

Burner

Head

Solenoid

Valve

Motor

Electronic

Ignitor

Fuel Tank

Nozzle

Fuel

Air for

Combustion

and Heating

Fuel Line To

Solenoid Valve

Fuel

Filter

Fuel Pickup

Line

Cool

Air In

Fuel Pump/

Fuel Filter

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