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Dayton Operating Instructions and Parts Manual
4
Dayton Portable
Forced Air Heater
®
3VG79B
Fuels
Use only Kerosene
or No. 1 fuel oil to
avoid risk of fire or explosion. Never use
gasoline, naphtha, paint thinners,
alcohol, or other highly flammable fuels.
Do not use heavy fuels such as No. 2 fuel
oil or No. 2 Diesel. Using heavy fuels will
result in:
• clogged fuel filter and nozzle
• the need of nontoxic anti-icer in fuel
during very cold weather
IMPORTANT: Use a KEROSENE ONLY
container. Be sure storage container is
clean. Foreign matter such as rust, dirt, or
water will cause the flameout control to
shut down heater. Foreign matter may also
require you to clean fuel system often.
Theory of Operation
THE FUEL SYSTEM
The air pump forces air through the air
line. The air is then pushed through the
nozzle. This air causes fuel to lift from the
tank. 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 ignition control assembly provides
power to the ignitor. This ignites the fuel/
air mixture in the combustion chamber.
THE FLAME-OUT CONTROL SYSTEM
This system causes the heater to shut
down if the flame goes out.
Figure 3 - Cross Section Operational View
Clean
Heated
Air Out
Fuel
Filter
Air Line To
Burner
Air
Output
Filter
Air Pump
Air Intake
Filter
Cool
Air In
Fan
Combustion Chamber
Ignitor
Motor
Ignition Control
Assembly
Air For Fuel System
Air For Combustion
And Heating
Fuel
Nozzle
Fuel
Tank
Front
Handle Rear
Handle
Wheel
Support
Frame
Hot Air
Outlet
Fuel
Tank
Flange
Screw
Air
Inlet
Assembly
This model is furnished with wheels and
handles. Wheels, handles, and the
mounting hardware are found in the
shipping carton.
TOOLS NEEDED
• Medium Phillips Screwdriver
• 3/8" Open or Adjustable Wrench
• Hammer
1. Slide axle through wheel support
frame. Install wheels on axle.
IMPORTANT: When installing wheels,
point extended hub of wheels toward
wheel support frame (See Figure 4).
2. Place cap nuts on axle ends. Gently
tap with hammer to secure.
3. Place heater on wheel support frame.
Make sure air inlet end (rear) of
heater is over wheels. Line up holes
on fuel tank flange with holes on
wheel support frame.
Wheel
Extended
Hub
Nut
Cap Nut
Axle
Figure 4 - Wheel and Handle Assembly