This video from Sears PartsDirect shows how to replace the activating switch in a downdraft vent. The activating switch triggers the gear motor that raises and lowers the air vent. If your air vent won’t rise when you press the button, you may need to replace the activating switch.
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The video includes these parts and tools. Look up your model to make sure you get the right parts for your vent.
Activating Switch
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Transcript:
The activating switch triggers the gear motor that raises and lowers the air vent. If the activating switch doesn't start the gear motor, replace it using the steps in this video. Wear work gloves to protect your hands. Put the air vent in the raised position. Unplug the power cord from the wall outlet. Remove the mounting screws and pull the switch cover off. Remove the screws from the switch bracket. Slide the switch bracket down and then pull the bracket out. Pull the knob off the speed control switch stem. Remove the mounting nut. Pull the speed control switch out of the switch bracket. Disconnect the activating switch wires. Cut off the wire tie. Remove the activating switch and switch bracket. The new activating switch includes a new bracket. Secure the wires with a wire tie. Connect the activating switch wires. Reinstall the speed switch on the switch bracket and secure it using the mounting nut. Reinstall the knob on the stem of the speed control switch. Slide the switch bracket into the vent. Adjust the switch bracket so that the activation switch lightly touches the membrane pad. Tighten the bracket screws firmly. Tip: Mounting the switch bracket up too high will keep the switch depressed and the vent will raise and lower continuously when power is restored. Reinstall the switch cover and secure it using the mounting screws. Reconnect the power cord.
29 окт 2015