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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Adjusting steering head bearings
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<blockquote data-quote="davidd" data-source="post: 34450" data-attributes="member: 1177"><p>John,</p><p></p><p>You pose some interesting questions. I may not know enough to answer sensibly. I have always been unimpressed with the finish and roundness of the steering stem. Because of its crudeness and lack of consistent dimension, I was under the impression that it did not mate with anything in the steering system (which may not be correct.) The lower bearing is mounted on a machined part of the lower casting and the upper bearing is mounted on FF1. I was under the impression that the sleeve of the nut, which is machined, centers in FF1. I did not think that the stem itself was utilized at all in the system. This is most unlike modern taper roller systems that rely on a machined surface on the stem to support the upper and lower bearing. I was not aware that FF1 could wear to the point of uselessness. I have always been surprised that FF1 seems to be sufficiently robust to use a coil-over shock, thus taking all of the pounding that would normally be absobed through the eccentrics. </p><p></p><p>I no longer have a backhoe (since 2004), but it is one of the tools I miss most!</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 34450, member: 1177"] John, You pose some interesting questions. I may not know enough to answer sensibly. I have always been unimpressed with the finish and roundness of the steering stem. Because of its crudeness and lack of consistent dimension, I was under the impression that it did not mate with anything in the steering system (which may not be correct.) The lower bearing is mounted on a machined part of the lower casting and the upper bearing is mounted on FF1. I was under the impression that the sleeve of the nut, which is machined, centers in FF1. I did not think that the stem itself was utilized at all in the system. This is most unlike modern taper roller systems that rely on a machined surface on the stem to support the upper and lower bearing. I was not aware that FF1 could wear to the point of uselessness. I have always been surprised that FF1 seems to be sufficiently robust to use a coil-over shock, thus taking all of the pounding that would normally be absobed through the eccentrics. I no longer have a backhoe (since 2004), but it is one of the tools I miss most! David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Adjusting steering head bearings
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