Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU) "1962" Questions

I have an old furnace I think it is a 1962 series.I try to turn it but I forget all the procedures to make it happen.Can I please have some help to turn it on? Jack turn on the power to the furnace, ...

...Colorado 80907 Ph: 866-635-1928 www.nelsonappliance.com New York YEMMA APPLIANCE PARTS, INC. 1962 Teall Ave. Syracuse, New York 13206 Ph: 800-962-7532 ...