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Posted: Sat Nov 16, 2013 2:10 pm
by joshh
ryjonesacct wrote:Hey so I have made lots of progress, but in order to get the control sheave out from the poly v belt I took out the speed changing assembly. I just couldn't get around it. And now I am questioning/ debating with my father in law where the pork chop should be in regards to the threads on the speed changing dial. We had to turn it WAY beyond "fast" in order to get the loop off the pork chop. Not sure where it should be now as we put in back together.
I just reread your post. The porkchop will be threaded most of the way in when the dial is at fast, it unscrews as it goes towards slow. I would still do the
bolt modification and check the threads for damage. The porkchop is very easily damaged when maintenance isn't done or the speed control is forced, and is a very common fail item.
Here is a video showing it from slow to fast, then back to slow.
http://youtu.be/2jH2umzB02g
Posted: Sat Nov 16, 2013 2:32 pm
by JPG
The outer indicator dial is easily mis-aligned(and easily aligned correctly) when the knob is removed(reinstalled). So 'Fast setting of the control'(porkchop, control sheave etc.)has nothing to do with that dial! When all else is set to fast, then the dial is aligned to indicate 'fast'.
The second step from 'last' when reinstalling the speed control is adjusting the 'high speed stop'.
The next to last step is aligning the outer indicator dial.
The last step is reinstalling the knob and tightening the set screw.
Until that time the indicator dial positioning is irrelevant!(not to be 'worried' about!:)).
Your caution is appropriate! Do keep in mind all was not 'normal' inside when you started. Do keep us apprised of your status. If it doesn't make sense, ask!
Your FIL will be amazed at how well it will work when you get finished!;)
Have you got the main shaft removed yet?
Posted: Sat Nov 16, 2013 11:47 pm
by billmayo
joshh wrote:The wormgear should be centered on the threads of the porkchop. What can happen is the ears of the porkchop spread apart and the relationship of the gear/teeth shifts causing damage.
Here is a picture with a damaged one left and a new one right. While you are at it, Bill Mayo suggests replacing the rollpin with a bolt, star washers, and a locknut. This prevents the ears ever opening up again and holds it all together well.
https://forum.shopsmith.com/viewtopic.php?t=13231

Free bolt kits are still available. This also shifts any wearing motion from the leg holes (roll pin is like a dull drill bit) to a much wider quadrant body and smooth bolt. You will need to straighten the bent leg and maybe both legs so the worm gear is centered in the miiddle of the quadrant teeth as shown in the above post. It does not take much force to bend the leg. I do it in small steps checking each time I attempt to straighten the leg(s). I use a home made tool (U shaped) that fits tightly on each side of the leg to lightly bend them. Hitting the leg at the end may only bend the end of the leg making bolt alignment difficult. The leg(s) can crack (bi-metal alloy, Pot metal?) if bent too much each time or hit too hard. Be sure to check after bending any leg.
Posted: Sat Nov 16, 2013 11:57 pm
by ryjonesacct
Sorry for not posting an update earlier, once I got everything put back together I was excited to play with it. But its all done, cleaned up and belts replaced. All pieces (including the pork chop) are in their proper place. And there was minimum swearing involved

Thank you all for your help and support. Between all your posts and trying things out we figured out how to get it right. And my FIL was pleasantly surprised and how much better it sounded. He also told me to keep it at my house as long as I want. He is glad to see it being well cared for and put to good use. Thanks again for all your help. Now that I know how to fix it I just need to learn how to use it better. I'm sure I'll find more great info on here.