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|Leave the knife switch open. (CAUTION: When the knife switch is closed, the smoke trap will be “ON.” When it is, do not touch the terminals on the coil, the wires from these terminals, or the aluminum foil. They can give you a hair- raising shock. It’s the same kind of shock you’d get if you touched an automobile or lawn mower spark plug with the engine running. Scary, but not dangerous.)|
OK, let’s see what our smoke trap can do. Hold a sourceof smoke under the bottom of the “chimney.” A burningincense cone or twisted damp paper towel should work nicely.
When you see smoke coming from the top of the chimney, close the knife switch. Hey, it works! Now open the switch to see if the chimney starts smoking again. Yup, there it goes. Naturally, your model won’t be as efficient as industrial electrostatic precipitators. But its principle will certainly be the same.
A word about the coils: No matter whether you use the F-7996 coil or the Ford coil, it will have a vibrator on it. The vibrator should buzz smoothly when the knife switch is closed. If it doesn’t, open the switch and adjust the nut on the vibrator arm.