06-18-2011, 08:34 PM #1
- Join Date
- Jun 2011
McCulloch: Mac 2816 weed wacker NO Spark
I've got an old Mac 2816 that has no spark. Initially I tried changing the spark plug with no result. Next I disconnected the kill switch, (which had a small fray on the insulation of the wire going to it. I still got no spark when I cranked it. At this point I suspected either a worn or sheared flywheel key or a faulty ignition module. Both the key, and the keyway were in good shape, showing no wear, or deformity. Finally I was able to find a new ignition module for the machine, (no small feat in itself), but after swapping out the old one, I still have no spark.
Since I had the recoil start housing off the machine I spun the engine using an industrial electric dril at approx 175 rpm.
It's a pretty simple circuit, with no interlocks or anything that I'm aware of. As a result, I'm stumped. Does anyone out there have any new ideas I can try?
06-20-2011, 01:36 PM #2
Re: McCulloch: Mac 2816 weed wacker NO Spark
Hey there - WELCOME to LMF!
I moved your thread to the Small Engine & Mower Repair Forum. You'll get a better response there.
06-21-2011, 06:16 PM #3
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