Craftsman weed trimmer won't start.
I have a Craftsman weed trimmer, model 316,796140, that will not start. I've had it for 5 years and it maybe has 15 hours on it. I drain the fuel and run it completely out of gas every fall. I can occasionally get it running, but then it will run for only a few minutes. I have cleaned the air filter and the spark arrestor, put in a new spark plug, and put in fresh gas. The oly thing I haven't done is adjust the carburetor and check the gap in the rocker arms. I'm getting spark when I take the plug out and pull the starter rope. Also, the HassleFreeIII(yeah right) trimmer head fell completely off at the clamp. It appears that there are some set screws that could be missing, but the diagram in the owners manual is way too small to tell how they hold the trimmer head on.
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