TM 9-4540-202-12&P
1-8. EQUIPMENT DATA
Capacities
Fuel tank ..............................................................................
2.2 gallons (8.33 liters)
Heat output ...........................................................................
35,000 British Thermal Units
Cubage, crated .....................................................................
5.6 cubic feet (0.159 cubic meters)
Diameter
Combustion chamber ............................................................
14 inches (35.6 cm)
Pipe .....................................................................................
4 inches (10.2 cm)
Length
Burner ..................................................................................
8 7/8 inches (22.5 cm),
Heater only ...........................................................................
34 inches (86.4 cm)
Heater with fuel tank .............................................................
35 1/4 inches (89.5 cm)
Weight
Complete ..............................................................................
35 pounds (15.9 kilograms)
Crated ..................................................................................
50 pounds (22.7 kilograms)
1-9. DIFFERENCES BETWEEN MODELS
Model M67 is the only model covered in this manual.
SECTION III. TECHNICAL PRINCIPLES OF OPERATION
1-10. HEATING
After the flue has been preheated to provide the needed draft, the heater is ready to be lit. With the fuel valve open, the
stream of fuel is ignited with the burning igniter cup.
The fuel falls over the burner vaporizer plate in the burner compartment and is burned in the combustion chamber.
The heater is vented through the flue compartment and the smokestack
1-4
