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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Brakes
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<blockquote data-quote="greg brillus" data-source="post: 83429" data-attributes="member: 597"><p>A lot of the time the pins are bent in the brake plates, this bending is probably the biggest weak point as far as I can see. A small bridge plate across there would help, but the problem has come from poorly fitting shoes. Another cause would also be grease from the bearings getting on the linings, which then causes the rider to apply the brakes harder to the point that something bends. When the linings are bonded on, I feel sometimes the clamps that hold the lining to the alloy shoe are done up too tight, when the assembly is baked in their oven, the shoes can end up bent.......Meaning the original radius of the shoe becomes smaller, this shifts the cam face of the shoe closer to the axle. This becomes obvious when you machine the linings in the lathe and you can see the shape of the lining material. The brakes are a continual issue on these bikes just as the breather system is also in the same basket. They are marginal design faults that Vincent owners have had and will continue to do battle with. It is trying to come up with a decent "Fix" that tries to keep things looking original that is the real challenge.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 83429, member: 597"] A lot of the time the pins are bent in the brake plates, this bending is probably the biggest weak point as far as I can see. A small bridge plate across there would help, but the problem has come from poorly fitting shoes. Another cause would also be grease from the bearings getting on the linings, which then causes the rider to apply the brakes harder to the point that something bends. When the linings are bonded on, I feel sometimes the clamps that hold the lining to the alloy shoe are done up too tight, when the assembly is baked in their oven, the shoes can end up bent.......Meaning the original radius of the shoe becomes smaller, this shifts the cam face of the shoe closer to the axle. This becomes obvious when you machine the linings in the lathe and you can see the shape of the lining material. The brakes are a continual issue on these bikes just as the breather system is also in the same basket. They are marginal design faults that Vincent owners have had and will continue to do battle with. It is trying to come up with a decent "Fix" that tries to keep things looking original that is the real challenge. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Brakes
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