Differences
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techtalk:ih:wheels01a [2017/11/22 20:54] hippysmack created |
techtalk:ih:wheels01a [2024/01/02 16:43] (current) hippysmack |
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| - | ==== Problems Associated with Drum Brake Rear Hubs ==== | + | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] |
| - | Article by Dr Dick of the XLFORUM ((http://xlforum.net/vbportal/forums/showthread.php?t=1525902)) | + | ====== IH: Wheels, Brakes & Tires - Sub-01A ====== |
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| + | ==== Problems Associated with Drum Brake Rear Hubs ==== | ||
| + | Article by Dr Dick of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/140736-rear-hub-thread?t=1525902)) | ||
| * The problems associated with drum brake rear hubs depends on your definition of what a problem is to you. If you have reoccurring problems with wheel bearing failure, brake performance or chain life, this info maybe helpful in tracking down the cause. | * The problems associated with drum brake rear hubs depends on your definition of what a problem is to you. If you have reoccurring problems with wheel bearing failure, brake performance or chain life, this info maybe helpful in tracking down the cause. | ||
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| * All bearings referred to below are the right side. | * All bearings referred to below are the right side. | ||
| - | * 1952-1954 models: | + | **1952-1954 ↓ models:** |
| * Used the asymmetric flange hub (smaller spoke flange on left side). | * Used the asymmetric flange hub (smaller spoke flange on left side). | ||
| * Torrington needle bearing (9011). | * Torrington needle bearing (9011). | ||
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| * This shield is same design as the swingarm Timken shields. | * This shield is same design as the swingarm Timken shields. | ||
| - | * 1955-E1958 models: | + | **1955-E1958 ↓ models:** |
| * Used the 1st symmetric flange hub. | * Used the 1st symmetric flange hub. | ||
| * No bearing change. | * No bearing change. | ||
| * Used the grease shield assembly between right bearing and brake backing plate. | * Used the grease shield assembly between right bearing and brake backing plate. | ||
| - | * L1958-1962 models: | + | **L1958-1962 ↓ models:** |
| * Same hub as previously used. | * Same hub as previously used. | ||
| * U the double row 'duplex' ball bearing (9010). | * U the double row 'duplex' ball bearing (9010). | ||
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| * Used the grease shield assembly between right bearing and brake backing plate. | * Used the grease shield assembly between right bearing and brake backing plate. | ||
| - | * 1963-1965 models: | + | **1963-1965 ↓ models:** |
| * Same hub as previous. | * Same hub as previous. | ||
| * Used two separate single bearings (9008) & (9009) stacked up. | * Used two separate single bearings (9008) & (9009) stacked up. | ||
| * Grease shield is no longer used. | * Grease shield is no longer used. | ||
| - | * 1966-1972 models: | + | **1966-1972 ↓ models:** |
| * The brake side hub flange was made thicker at the bolt mounting area. | * The brake side hub flange was made thicker at the bolt mounting area. | ||
| * Longer drum lugs were used. | * Longer drum lugs were used. | ||
| * No bearing change. | * No bearing change. | ||
| - | * 1973-1978 models: | + | **1973-1978 ↓ models:** |
| * Some time between 1973 & 1975, brazing got replaced by welded construction. | * Some time between 1973 & 1975, brazing got replaced by welded construction. | ||
| * No bearing change. | * No bearing change. | ||
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| - | * Regarding bearing issues. | + | * **Regarding bearing issues.** |
| * The most common of all hub complaints is the outer right side bearing being loose in the hub. This is very common on '66→ hubs but not as common '63-'65 and non existent on → '62. | * The most common of all hub complaints is the outer right side bearing being loose in the hub. This is very common on '66→ hubs but not as common '63-'65 and non existent on → '62. | ||
| * This loose bearing is never a problem in itself. It won't leave you stranded. | * This loose bearing is never a problem in itself. It won't leave you stranded. | ||
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| + | [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | ||
