Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision Last revision Both sides next revision | ||
|
techtalk:evo:engmech04a [2019/02/12 17:41] hippysmack [About Relieving Valve Pressure] |
techtalk:evo:engmech04a [2019/02/17 15:39] hippysmack [About Relieving Valve Pressure] |
||
|---|---|---|---|
| Line 88: | Line 88: | ||
| ====== Before Removing Lower Cover ====== | ====== Before Removing Lower Cover ====== | ||
| ===== About Relieving Valve Pressure ===== | ===== About Relieving Valve Pressure ===== | ||
| + | See also [[techtalk:ref:svcproc16#hydraulic_lifter_-_disassembly_inspection_assembly|Hydraulic lifter disassembly - inspection - assembly]] in the REF section of the Sportsterpedia. \\ | ||
| + | |||
| (also known as "Bleeding the Lifters") \\ | (also known as "Bleeding the Lifters") \\ | ||
| You are not actually doing anything but allowing the oil time to leave the lifter body out of the holes in the each lifter before removing the lower rocker mounting bolts. \\ | You are not actually doing anything but allowing the oil time to leave the lifter body out of the holes in the each lifter before removing the lower rocker mounting bolts. \\ | ||
| Line 104: | Line 106: | ||
| This could cause the camshafts to crook sideways and gouge the bushings. \\ | This could cause the camshafts to crook sideways and gouge the bushings. \\ | ||
| - | **The 04-Up FSMs changed the sequence of removing the bolts**. \\ | + | **They 04-Up FSMs still state to rotate the crankshaft so both valves are closed on the head being repaired**. \\ |
| + | **But they changed the sequence of removing the bolts**. \\ | ||
| Removing them in the proper order also prevents potentially warpage of the cover(s). ((Screw Loose Dan of the XLFORUM http://xlforum.net/forums/showthread.php?t=1488750)) \\ | Removing them in the proper order also prevents potentially warpage of the cover(s). ((Screw Loose Dan of the XLFORUM http://xlforum.net/forums/showthread.php?t=1488750)) \\ | ||
| It also mentions making sure that both valves are closed prior to removal for each cylinder (separately) of the rocker box you're removing. \\ | It also mentions making sure that both valves are closed prior to removal for each cylinder (separately) of the rocker box you're removing. \\ | ||
