3 Barnstead|Thermolyne • 800-553-0039
Warnings
WARNING
To avoid electrical shock, this furnace must:
1. Be installed by a competent, qualified electrician who insures compatibility among furnace
specifications, power source and grounding code requirements.
2. Be disconnected from the power supply before servicing.
3. Have the door switch operating properly.
To avoid burns, this furnace must:
1. Not be touched on the exterior or interior surfaces during use or for a period of time after use.
2. “Caution: Hot Surface. Avoid Contact.”
To avoid personal injury:
1. Do not use in the presence of flammable or combustible materials ; fire or explosion may result.
This device contains components which may ignite such material.
2. Refer servicing to qualified personnel.
3. THIS FURNACE CONTAINS REFRACTORY CERAMIC INSULATION WHICH CAN PRODUCE
RESPIRABLE FIBERS AND DUST WHEN HANDLED. THESE FIBERS CAN CAUSE
IRRITATION AND CAN AGGRAVATE PRE-EXISTING RESPIRATORY DISEASE. THE
INTERNATIONAL AGENCY FOR RESEARCH ON CANCER (IARC) HAS CLASSIFIED
REFRACTORY CERAMIC FIBER AS POSSIBLY CARCINOGENIC.
AFTER SERVICE REFRACTORY CERAMIC FIBER DUST MAY CONTAIN CRYSTALLINE
SILICA, WHICH MAY CAUSE LUNG DAMAGE (SILICOSIS) AND WHICH HAS BEEN
CLASSED BY IARC AS A PROBABLE CARCINOGEN.
The refractory ceramic materials are located in the door, the hearth collar bricks, and in the
chamber of the furnace. Tests performed by the manufacturer indicate that there is no significant
risk of exposure to dust or respirable refractory ceramic fiber resulting from operation of the
equipment under normal conditions. However, there may be a risk of exposure to respirable
refractory ceramic dust or fiber when repairing or maintaining the insulating materials, or when
otherwise disturbing the materials in a manner which causes release of dust or fibers therefrom.
Through the use of proper handling procedures you can work safely with these insulating
materials and minimize any exposure. Accordingly, before you repair or replace any insulating
materials, or perform any other servicing on this product which could disturb or cause exposure
to dust from insulating materials, you should consult the appropriate Material Safety Data Sheets
(MSDS’s) for such products with respect to proper handling and appropriate protective
equipment. For additional MSDS’s, or additional information concerning the handling of refractory
ceramic products, please contact the Customer Service Department of Barnstead/Thermolyne
Corporation.
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