It was first installed around 1970 and my father in law failed to leaved the instructions, he's gone and I just want to make sure its set up right for wood operations, Chimney is regularly maintained and stove has worked, just seems it could work better. It has a removable iron plate in the bottom of the firebox which reveals a grate over a removable ash collector in the lower chamber which also serves as the heat source for a built in fan to circulate the air. The lower chamber has a single door with a rotating round vent adjustment. The firebox has two doors and a vent control on each.. It has always been operated with the plate in place. The question is, should the wood be on the grate or is that strictly for coal which will never be used?