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#11
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In article , Sheldon Brown
writes: my blather snipped I think the original problem was the loose right side locknut. If a right side locknut is loose, the normal rotation of the wheel will tighten the cone (away from the locknut) locking up the axle. It's possible that the axle elongated under the stress of the overtightened cone, and that this is what snapped the skewer. This certainly fits. B. Could improperly tightened lock nuts cause this? I spent some time at it and I'm pretty sure I locked both sides. The right side should be seriously tight against the locknut, generally you want to make your adjustments with the left side. If the left side is a bit loose, the wheel's rotation will only loosen it a bit more, not usually a serious problem. I do use the left side for the adjustments, but if I didn't make the right side *really* tight it sounds as if it would be all for nought. C. Any ideas for getting those cones to turn? Cone wrenches are not great for high torque applications. If it's an old-style thread-on freewheel hub, remove the freewheel. This will give you access to the right cone. Since the right cone locknut is loose, you can then remove it and put a serious 15 mm open end wrench on the right cone. Use a serious 17 mm wrench on the left locknut, and something's gotta give. You'll either be able to remove the left locknut, or the right cone will loosen up. (Your wrench sizes may vary, but the sizes I mentioned are by far the most common.) Those are the right ones. If it's a cassette hub, you won't be able to reach the right cone until the left side is loose. I got the cassette off. Some cones have deep enough flats that you can use a pedal wrench on them (same 15 mm size.) You can apply a LOT more oomph with a pedal wrench than with a typical cone wrench. I wound up slowly spinning the wheel with the axle in the axle vise while holding one of the cones as best I could with the cone wrench and it finally loosened. D. Are my bearings probably toast? Alas, yes. Thanks very much for your help, once again, Sheldon. Sheldon "Ouch!" Brown +-------------------------------------------+ | I millihelen = the amount of | | beauty required to launch one ship. | | --Peter Shickele | +-------------------------------------------+ Sheldon, are you being a little "troy" here? Tom Gibb |
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#12
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#13
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#14
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if the bearings are of good quality, the races will be shot. in this
situation, usually, the balls are slightly harder than the races and if the ball surfaces are spalling, you can bet the races are ruined. To preserve hubs then, should one use cheap balls? Balls are cheaper than races. Have you had problems with the longevity of properly-adjusted hubs? -- Phil, Squid-in-Training |
#15
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if the bearings are of good quality, the races will be shot. in this
situation, usually, the balls are slightly harder than the races and if the ball surfaces are spalling, you can bet the races are ruined. To preserve hubs then, should one use cheap balls? Balls are cheaper than races. Have you had problems with the longevity of properly-adjusted hubs? -- Phil, Squid-in-Training |
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