dsavarese0812(at)bellsout
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 Posted: Fri May 14, 2010 5:14 am Post subject: No Title |
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Terry,
What is the symptom with the starting coil? No spark to the magneto cap? If so, definitely check the starting coil wire to the mag cap first. Many times the wire itself is bad, as the rubber casing deteriorates over time and the wire tends to arc to ground before the spark gets into the mag cap. If you've determined the starting coil wire is good, then check the points under the top cover of the starting coil. Many times you will find they have a mound on them, preventing the points to close flush. Dress the points with a point file or similar file. Then with the starting coil wire held close to ground (approx. 1/2" or so), the spark should jump to ground when the start button is pressed. BTW, before you press the start button to test this, to prevent engine rotation turn the main air off and squeeze the brake handle until you can not hear any air exhausting when you release the brakes. That way when you press the start button, all you'll get is the spark from the starting coil. No engine rotation. Adjust the point gap with the knurled screw near the points (it probably has some thread locker on it) until you see the spark jump about 1/2" to ground at the end of the staring coil wire. If the wire is good and the points are clean and you can not get the spark to jump about 1/2" at the end of the starting coil wire, the coil assembly is most likely bad. Call Doug for a new one.
Hope this helps,
Dennis
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