The ceramic board arrived.
I removed the sheet metal skin and
applied the board. I ran the element wires
between the insulation brick and the board.
I connected the leads to the power supply with
small bolts and washers after testing the wire and bolts.
I re-used the sheet metal
by bending the corners back flat.
I made a ridged frame of an old bed frame.
I added legs to the back so the oven could be
used as a furnace. Then did a test run to see
how hot the metal sides would get. Let it heat for
about 45 minutes. The sides were again too hot to
lay your hand upon. But I am satisfied that no fire
will ensue.
The PID control I showed earlier was for demonstration.
It does not have the needed heat range for this oven.
Still looking for the correct controller.
As the heating coils are exposed and are electrically hot
when in use it is always a good idea to turn off the power
before entering the chamber. As I plan on using the oven
with the door open at times I have not installed an
automatic shut off switch.
I attached the door with a removable hinge. I also ordered
a small piece of glass for a site hole.
http://www.skylinecomponents.com/In-Stock_FusedQuartzDiscPlate.html