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Message: <blockquote data-quote="Tazza" data-source="post: 7626" data-attributes="member: 82">The brake system is very simple, it uses a cam that pushes on brass pucks that lock 2 brake disc's in the chain case. If the bolt is too loose it won't put enough pressure on the brass pucks. You will simply need to tighten the nut on the long bolt you were talking about. Its best to bash the concrete off as its a pig to install a new bolt. It fowles on just about everything when trying to get it out and worse when putting it back in. It takes a LOT of wear to make you need to replace any of the braking system.I have had machines that the nut was really tight, i used vice grips on the bolt and a rattle gun on the nut. You may need to do the same.You don't need the pedal to be really stiff, you want it firm but not really tight. It doesn't take that much pressure to lock the brake disc's, it really is a very good braking system (when adjusted correctly)</blockquote>