Maintenance And Servicing; To Replace Heating Element - Barnstead FB1300 Operation And Repair Manual And Parts List

Maintenance and Servicing

Warning
Disconnect the furnace from the
power supply before servicing.
Refer servicing to qualified
personnel.
Note
Perform only maintenance
described in this manual.
Contact an authorized dealer or
our factory for parts and
assistance.
Note
It is seldom necessary to disconnect
the thermocouple from the controller
if the thermocouple is in good
condition.
Thermocouple Cover
Figure 3: Replacement of a Heating Element
16

To Replace Heating Element

1. Set the furnace on its top. (See Figure
3). Remove thermocouple cover.
2. Remove screw and clamp holding ther-
mocouple, then grasp the thermocouple
at the bend where it enters the furnace
chamber and pull straight back. Retain
porcelain feed-through insulator.
3. When the thermocouple tip is clear of
the furnace back, bend it out of the
way.
4. Remove the screws holding the steel
back plate to the case.
5. Remove the steel back plate.