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techtalk:ih:engmech03a [2018/04/17 22:31] ixl2relax |
techtalk:ih:engmech03a [2018/05/17 02:24] hippysmack [Installation of the Top End] |
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| - Re-check (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | - Re-check (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | ||
| - Tighten base nuts. Don't go ape on torque. Iron heads use fine threads, cars use coarse. Fine threads have way more mechanical advantage. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | - Tighten base nuts. Don't go ape on torque. Iron heads use fine threads, cars use coarse. Fine threads have way more mechanical advantage. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | ||
| - | - Tighten all head bolts somewhat. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | + | - Tighten all head bolts somewhat. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) |
| + | - Torque up the base nuts using a torque wrench and a ground down crows foot. The base nuts take 30ft Lbs or 360 in/lbs. With the crows foot, you torque to 335 in/lbs to make up for the extra leverage. [[techtalk:ref:notes03y#ih_cylinder_base_nut|If you grind down the crows foot like this]], it works quite well. ((Hopper of the XLFORUM http://xlforum.net/forums/showthread.php?t=395586)) | ||
| - Re-check. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | - Re-check. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | ||
| - Get a nice 3/8" breaker bar with a nice 9/16" socket and tighten all 8 head bolts to the same feel. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | - Get a nice 3/8" breaker bar with a nice 9/16" socket and tighten all 8 head bolts to the same feel. (((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&highlight=Ironhead+Crankcase+Drain+Plug&page=8)) | ||
