Preventative Maintenance
This unit is equipped with a venting system on
the top of the furnace. This is for the removal of
fumes from the chamber of the unit.
Contamination is a major cause of element fail-
ure, therefore, remove all fume forming material
before heating. (e.g. clean cutting oil from tool
steel).
Housekeeping is vital to your electric furnace -
KEEP IT CLEAN. Run your furnace up to 871°C
(1600°F) empty occasionally to burn off the con-
tamination that may exist on the insulation and
elements. Maintain 871°C (1600°F) for at least
4 hours to ensure complete ashing of foreign
materials.
Element life is reduced somewhat by repeated
heating and cooling. If the furnace is to be used
again within a few hours, it is best to keep it at
the operating temperature or at a reduced level
such as 260°C (500°F).
Change the thermocouple every six months.
General Cleaning Instructions
Wipe exterior surfaces with lightly dampened
cloth containing mild soap solution.
To Replace a Heating Element
1. Disconnect furnace from power supply.
2. Remove the back terminal cover of the
furnace. (Note placement and connec-
tions of wires)
3. Loosen the nuts on the terminals of the
element to be replaced.
Maintenance and Servicing
Warning
Disconnect from the power supply
prior to maintenance and servicing.
Warning
Refer servicing to qualified personnel.
Warning
Replace fuses with same type and
rating.
Hot Surface
“Caution. Hot Surface.Avoid Contact.”
To avoid burns, this furnace must not
be touched on the exterior or interior
surfaces during use or for a period of
time after use.
Note
Perform only maintenance described
in this manual. Contact an authorized
dealer or our factory for parts and
assistance.
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