S/G pulley loose on crankshaft of 149

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S/G pulley loose on crankshaft of 149

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04-14-2014, 07:36 PM

Dave R

Senior Member

Join Date: Dec 2010

Location: Kirbyville, Missouri

Posts: 187

S/G pulley loose on crankshaft of 149

I have been using the 149 about a year after an overhaul. I had noticed recently a knocking/rattling sound from the front of the engine. After looking it over and tugging on this and that, it turns out the big pulley on the crankshaft that turns the starter generator was loose on the end of the crankshaft.

I tightened the pulley with the two allen screws. I finally took the pto clutch off and got into it. I turned the allen screws as tight as I could without breaking the wrench, put the pto clutch back on, ran it a while and darn if the big pulley wasn't loose enough to wiggle it again.

I remember when I had it all apart there was a locking collar somewhere behind the big bearing the pto mounts on. Is it possible that collar is loose that is causing my problem. I'm not anxious to take all that off again, but I think that is what's coming.

Dave in SW Missouri

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