Barnstead F46110CM Operation Manual And Parts List page 33

the insulation, or other materials you have
placed in the chamber. In many instances
this reaction is detrimental to operation.
2. Clean exterior surfaces with lightly damp-
ened cloth containing mild soap solution
3. Occasionally check the electrical connections
in the control section. Repeated heating and
cooling can cause terminals to loosen.
4. The type B thermocouple used in this fur-
nace is matched to the temperature con-
troller. It is possible that its calibration can
drift, particularly when operated near the
upper temperature limit, and especially in
the presence of contaminants. It is a good
idea to inspect it at regular intervals or when
its accuracy is suspect.
5. Check the cooling fans at regular intervals
to be sure they are functioning properly and
are not obstructed.
The following pages are intended to help you resolve
functional problems with your furnace.
Barnstead International is always available to assist
you with problems. If this guide does not direct you to
your specific problem, call Barnstead International at
1-800-553-0039.
P M
REVENTIVE AINTENANCE
33