DescriptionThis video provides step-by-step repair instructions for replacing the convection fan blade on a Kitchenaid microwave (Model #KMBP100ESS01). The most common reason for replacing the blade is if it is damaged or noisy.
All of the information for this fan blade replacement video is applicable to the following brands:
Kitchenaid, Whirlpool
Tools used: multi-screwdriver
Step-By-Step Instructions1
Since we encourage you to perform this repair safely, a warning icon will appear when you should use caution to replace the convection fan blade in your microwave oven.
2
You will need to remove the appliance from the cabinet to do this.
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First, shut off the power supply to the oven junction box.
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Open the oven door and remove any racks from the oven, along with the turntable and support.
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Now use a Phillips head screwdriver to unthread the two screws securing the mounting flanges to the cabinet.
6
Remove the washers as well, if still intact.
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Now have an assistant help you to pull the appliance out of the cabinet and set it on a sturdy surface.
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Be aware that if the conduit cable is not long enough to move the microwave oven, you will need to disconnect the power and grounding wires and remove the conduit cable from the junction box.
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Using a T10 Torx bit, unthread the two screws securing the rear cover.
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Lift the cover up to detach.
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Now use a T20 Torx bit to unthread the six screws securing the convection housing.
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Support the housing as you detach the temperature sensor bracket.
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Turn the housing around and use a 5/16 inch socket or nut driver to loosen the fan blade mounting nut by rotating it clockwise.
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Fully unthread the nut and remove the old blade.
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Before you install the new convection fan blade, confirm that the washer is intact on the motor shaft.
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Align the new blade on the shaft, then thread the mounting nut on counterclockwise and tighten.
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Reposition the housing on the rear of the oven and replace the temperature sensor bracket.
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Thread and tighten the six screws to secure the housing.
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Align the rear cover on the tabs, then fully position the cover and secure it with the screws.
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Return the microwave oven to the cabinet and push it into position.
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Insert the washers into the holes in the flanges, then thread the two screws to secure the flanges to the cabinet.
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Replace the support and align the turntable on the coupling.
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With the repair completed, turn the power supply back on and the microwave oven should be ready for use.