chainbrake

I purchased a new MS 391. I used it once for no more than an hour. The second time I used it I started it with the chain brake on and let it warm up for two minutes as told by the Stihl Dealer I purchased it from. After two minutes of Idle (chain Brake on) I turned it off and went to start it 5...

Hi, after getting my saw pinched today the chainbrake wouldn’t release. The break moves back and forth and makes the sounds of a properly functioning brake but it doesn’t release. How do I get the cover off? Thanks

Anyone feel like chiming in here about any tricks to get this back together? The mechanism is extremely stiff and I can’t get the brake to pivot as soon as I put the cam pin in. I’ve searched for videos online and found one about a 55 but it’s not the same. This is a circa 89/90 era saw. I had...

I am looking for the fix for a Stihl MS660 brake that engages too easily. The basic symptom is that it will occasionally engage during normal cutting. The brake handle has excessive play as well. Short of replacing the entire assembly, which components are the normal failure points? Thank you!