Specifications

29 Barnstead |Thermolyne • 800-553-0039
MSDS’s, or additional information concerning the handling of refractory ceramic products, please contact
the Customer Service Department of Barnstead/Thermolyne Corporation.
WARNING
To avoid electrical shock, this furnace must always be disconnected from the power supply
prior to maintenance and service.
Perform only maintenance described in this manual. Contact an authorized dealer or our
factory for parts and assistance.
To Replace a Heating Element:
a. Disconnect furnace from power supply.
b. Remove the back terminal cover of the furnace (Note placement and connections of wires).
c. Loosen the screws and nuts on the terminals of the element to be replaced. Be careful not to nick
element lead wires.
d. Open the door and pull the defective element out.
e. Slide the new element into place, threading the leads through the insulating porcelain bushing on
the back of the furnace.
f. Cut off any excess lead wire. Be careful not to nick element lead wires. Reinstall terminal connections
and tighten screws and nuts securely.
g. Replace the back terminal cover.
h. Reconnect furnace to power supply.
i. Test operation of furnace.
To Replace a Platinel II Thermocouple:
a. Disconnect furnace from power supply.
b. Remove the back terminal cover of the furnace. (Note placement and connection of T/C lead wires).
c. Remove the screws on the thermocouple terminals and pull the thermocouple straight out.
d. Insert the new thermocouple into the furnace with blue and yellow beaded lead connected to the
positive (+) marked terminal and other lead to negative (-) terminal.
e. Secure connections with screws removed in c.
f. Replace the back terminal cover.
g. Reconnect the furnace to power supply.
h. Test operation of furnace.