Southbend Gas Convection Oven GS/25

Disconnect the power supply to the appliance

Ensure the power switch is in the 'OFF' position before cleaning the blower wheel

Clean around the rear of the motor

Clean the primary air holes in the rear of the oven

Disconnect the power supply to the appliance before cleaning.

Is the power switch in the 'OFF' position before cleaning the blower wheel?

Turn the power switch to OFF and allow the oven to cool.

Remove the oven-interior racks and rack slide frames.

Wash the racks and rack slides with mild detergent and warm water, then dry thoroughly.

Is there any foreign matter on the blades of the blower wheel?

Remove accumulations from the blower blades using a stiff brush, then wash with soap and water.

Loosen the two set screws that secure the temperature-control knob to the temperature-control shaft.

Remove the knob from the shaft, being careful not to rotate the knob or shaft.

Replace the knob on the shaft so that the indicator mark on the knob points directly at the temperature that was measured at the center of the oven.

Is the oven calibration correct after adjustment?

Record the temperature measured at the center of the oven.

Describe any issues encountered during calibration.

Temperature Controller Check Procedure

Remove all trays and pans from the oven.

Place a thermocouple or a reliable mercury oven-type thermometer at the center of the middle rack.

Turn the oven ON and set the temperature control knob to 400 °F.

Did the amber 'heat on' light go out when the oven temperature was reached?

Allow three cycles for the temperature to stabilize. Enter the number of cycles completed.

Read the thermocouple or thermometer immediately after the light goes out for the third time.

Read the thermocouple or thermometer immediately after it comes on the next time.

Remove lower front panel that covers the door chain mechanism

Check the positioning of the chain on the sprockets

Secure the turnbuckles by tightening their locknuts