Engineering Principles Back of Fess Construction

l.()i/ Simmer. The oil is pui11ped on .1 patented single line system passing through two strainers. one at the pump. the other at the machine.

3.()// ”mil (T/uIm/u‘r. By means or .1 double-acting float \'.1l\'e. a constant e\en level of oil is main- tained at all times.

5 » ii. Bil/I (T/ii'i'l'. This holds

g the oil in the line. and like the oil lloat chamber. is an assurance that the lire will 1 start promptly.

l.()// I’Iim/i. A gear—driven, high vacuum pump which

deliyers oil to the machine in .1 constant flow. It is capable of pumping oil from outside storage tank a considerable distmee away.

3_()/I I’i'i'nm'i' (f/mm/u‘r. Oil is delivered by the pump into this chamber. where the exact amount required {or proper combus- tion is taken. and remainder of oil returned to the oil lloat chamber.

'. ()1/ Volume (full/ml Vii/i t’, This is .1 positive type of rotating needle valve which ensures a steady flow of oil. It makes it possible for

the machine to burn the cheapest grade of fuel oil.

' ()i/ PH'HIH’l' Vii/14'. Independent control of oil and air makes it possible to install equip-

Model [3.5. "Deluxe" ment at considerable distance from the Finished in Bronze Lacquer with Brass parts heavily furnace if necessary.

Nickel-plated.

5‘. Air I’n'xmre Adjmling Valle. Maintains proper ll. :Hdlll Bear/ugh .Ihese and the rotor case cover 1', preSSurc for atomization and permits the insert are made or self-lubricating bronze. .l . . , 1 machine to adapt itself to the varying boiler condi- 12. ()le l’renurr (hinge. Keeps accurate check on 0”

tions that are encountered. pressure. The central gauge (not numbered in

photograph) is indication of air pressure under

9. Sig/J! [“117] Lulu/mini: The machine is self-lubri- which machine is operating. eating. Like the modern motor car. all bearings

n 15’. [51' i//' \l l 2C I [/H" I)i'ii 2 li - rx- [1 . are lubricated by the "full force system. ’ H I‘ ‘ " ”’ " ‘1’ .s ‘ nsu ts it

proper alignment of motor shaft necessary for

tuiet (neration. HI. W'orm Driie. Reduces speed of pump and rotat— ] l

ing needle-valve units. Ensures quiet operation 11. 01/ Line In 1\'u;;/i'. Oil is carried by this pipe and long life to the machine. direct to nozzle located in fire-door insert.