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techtalk:ih:oil01 [2019/06/26 04:21] hippysmack [Cam Cover Oiling] |
techtalk:ih:oil01 [2019/06/27 02:53] hippysmack [Low Oil Pressure] |
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| * The oil check valve could be stuck closed. | * The oil check valve could be stuck closed. | ||
| * No oil to the top end: | * No oil to the top end: | ||
| - | * Check the pinion shaft to bushing clearance to the specs in the FSM. | + | * Make sure the rubber grommets on each end of the stock rocker feed lines are not partially plugging the ends of the rocker feed lines. \\ Then remove the allen-hex rocker spindle plug from the front exhaust rocker spindle, at the right-hand side of the rocker box. \\ Oil should come out there if you have flow with the engine running. ((Hopper of the XLFORUM http://xlforum.net/forums/showthread.php?t=831522)) |
| - | * If the fit is overly loose, this condition will not allow oil to be transferred up the lines at low speed. | + | * Check the pinion shaft to bushing clearance to the specs in the FSM. \\ If the fit is overly loose, this condition will not allow oil to be transferred up the lines at low speed. \\ Oil will just be bled out into the cam chest until RPM sends and over-runs more oil than can be spilled at the bushing. |
| - | * Oil will just be bled out into the cam chest until RPM sends and over-runs more oil than can be spilled at the bushing. | + | * If the fit is out of spec, you'll need to replace the bushing. ((Hopper of the XLFORUM http://xlforum.net/forums/showthread.php?t=831522&highlight=crankcase+pressure)) |
| - | * If the fit is out of spec, you'll need to replace the bushing and line ream using a jig. | + | * Then line ream it using a special reamer through an old right-hand crankcase half to use to guide to get it in square. |
| - | * On 76< motors, it's best to eliminate that possibility before spending time and money yanking the engine out of the frame and inspecting the oil pump. \\ (and before spending money getting a new pinion bushing reamed with the special tooling etc.) ((Hopper of the XLFORUM http://xlforum.net/forums/showthread.php?t=831522&highlight=crankcase+pressure&page=2)) | + | * On 76< motors, it's best to eliminate that possibility before spending time and money yanking the engine out of the frame and inspecting the oil pump. \\ (and before spending money getting a new pinion bushing reamed with the special tooling etc.) ((Hopper of the XLFORUM http://xlforum.net/forums/showthread.php?t=831522&highlight=crankcase+pressure&page=2)) |
| - | * Also make sure the rubber grommets on each end of the stock rocker feed lines are not partially plugging the ends of the rocker feed lines. | + | |
| * The oil pump could be weak or malfunctioning. | * The oil pump could be weak or malfunctioning. | ||
| * 76< pumps: | * 76< pumps: | ||
