BKI COq Convection Oven - Manual (Page 32)

Convection Oven Component Replacement
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Fan Blade
1. Disconnect the oven power supply by turning OFF the circuit breaker in the power supply service panel.
2. Remove the fan cover from the oven.
3. Loosen the set screw on the Fan Blade hub with a 1/8” hex wrench and pull Fan Blade off of Motor shaft.
4. Slide new Fan Blade onto Motor shaft. Space the back of the Fan Blade 1/4”-3/8” [6-9 mm] from back
wall of cavity.
5. Orient set screw in Fan Blade hub over the flat on the Motor shaft and tighten set screw with 1/8” hex
wrench.
6. Spin the Fan Blade by hand to make sure it is properly balanced on Motor shaft.
7. Reattach Fan Cover and turn the power supply to the oven ON.
Fan Motor
1. Disconnect the oven power supply by turning OFF the circuit breaker in the power supply service panel.
2. Remove the back panel and fan cover from the oven.
3. Remove the Fan Blade from the Motor as described above.
4. From the back of the oven, unplug the wiring connections to the Motor. Remove the (3) retaining nuts
with an 11/32” hex driver. Pull Motor straight out from the back to remove it.
5. Install replacement Motor on back of oven over the mounting studs and secure with the (3) nuts.
6. Connect the wiring to the Motor as detailed in the diagram on the next page.
7. The orientation of the yellow and orange wires in the Motor connector establishes the direction of shaft
rotation. Note orientation of yellow and orange wires in the Motor connector. Compare this orientation to
the diagram on the next page. If necessary, unplug connector, rotate one side 180 degrees and plug the
halves back together to achieve proper orientation.
8. Reattach the Fan Blade as described above.
9. Reattach the back panel and fan cover to the oven and turn the power supply to the oven ON.
Fan Cover Micro Switch
1. Disconnect the oven power supply by turning OFF the circuit breaker in the power supply service panel.
2. Remove the back panel from the oven.
3. Disconnect the wires from the Switch and remove Switch using a Phillips screwdriver and ¼” wrench.
4. Install replacement Switch in the same orientation as the Switch that was removed.
5. Connect the wires to the COM and NO terminals of the Switch.
6. Verify that the Switch contacts change state when the Fan Cover is removed and installed. If necessary,
bend the Switch actuator arm as required for proper operation.
7. Reattach the back panel to the oven and turn the power supply to the oven ON.