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ASSEMBLY
4
THEORY OF OPERATON
ASSEMBLY
Continued
(FOR 115T AND 165T MODELS ONLY)
These models are furnished with wheels and a front handle. Some
models are furnished with a rear handle also. Wheels, handle(s), and
the mounting hardware is 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: Place extended hub of wheel toward wheel
support frame.
2. Place cap nuts on axle ends. Gently tap with hammer to se-
cure.
3. Place heater on wheel support frame assembly. Make sure air
inlet end of heater is over wheels.
4. Place front handle on top of fuel tank flange. Insert screws
through handle(s), fuel tank flange and wheel support frame.
Attach nut finger tight after each screw is inserted.
5. Tighten all nuts firmly.
Screw
Hot Air
Outlet
Fuel Tank
Flange
Wheel
Support
Frame
Wheel
Nut
Cap Nut
Figure 5 - Wheel and Handle Assembly, 115T/165T Models Only
Front
Handle
Air Inlet
Extended Hub
Axle
For more information, visit www.desatech.com
For more information, visit www.desatech.com
THEORY OF OPERATION
The air pump forces air through the air line. The
The Fuel System:
air is then pushed through the nozzle. This air causes fuel to be lifted
from the tank. A fine mist of fuel is sprayed into the combustion
chamber.
The motor turns the fan. The fan pushes air into
The Air System:
and around the combustion chamber. This air is heated and provides
a stream of clean, hot air.
The ignition control assembly provides
The Ignition System:
power to the ignitor. This ignites the fuel/air mixture in the combus-
tion chamber.
The Flame-Out Control System:
shut down if the flame goes out.
Combustion Chamber
Ignitor
Clean
Heated
Air Out
Nozzle
Fuel
Tank
Air For Fuel
System
Figure 6 - Cross Section Operational View
This system causes the heater to
Motor
Air Pump
Fan
Fuel
Air Line
Ignition Control
Filter
To Burner
Assembly
Air For
Combustion
And Heating
Air Intake
Filter
Cool
Air In
Air
Output
Filter
Fuel
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