5. Remove two screws securing bezel from bottom of oven.
6. Slide the oven back on the table plus a few inches (to set the bezel on
the bench) and rotate the bottom of the bezel out from the oven. The
top clips will come loose but the wiring will still be connected.
7. Carefully set the bezel on the bench.
8. Remove thermocouple wires from 6-terminal connector by loosening
two securing screws.
9. On roof of oven, locate the clip, which hold thermocouple in place.
Remove thermocouple from clip.
10. Pull thermocouple forward into oven chamber, exposing roughly a 6
inch section of the thermocouple wire.
11. Cut the thermocouple wire to remove the thermocouple sheath.
12. Securely loop together the cut end of the defective thermocouple with
the two leads of the replacement thermocouple. Wrap tape over the
length of the loops to secure them.
13. Gently pull the defective thermocouple out through the electronics
compartment while guiding (“fishing”) the replacement thermocouple
into place.
14. Consult schematic at end of this manual. Then, generally reverse steps
1 through 9 to complete installation of new thermocouple and
reassemble oven.
Note
Verify the yellow thermocouple conductor is under the (+) tab and
the red thermocouple conductor is under the (-) tab.
s
6-10
Isotemp Premium Ovens
Fisher Scientific
Section 6
Service
Replacing the Control
Thermocouple (cont.)
