9A cone pulley lube
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  1. #1
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    Default 9A cone pulley lube

    I have read some of the older post's about Cone pulley lube , the book calls out for teflon grease , the older post say no grease , so what is the recent thought's on lubing the cone pulley & what ever is calling for teflon grease . I live in a small town & neither of my options have teflon grease , so what are my options . I am starting to reassemble my 9A after a much needed cleaning & some fresh paint.
    tks
    animal

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    Way oil....

  3. #3
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    FWIW, here's my experience. My 10K has "grease" stamped on the cone pulley, so I got some teflon grease and tried it. Bad idea - it may have been the wrong teflon grease, but it bound up the pulley. I had to force the grease out with pressurized spindle oil to free it up. Since then have been using way oil like iwanna suggests, and it works great. So if there's any doubt about the grease available to you, save yourself a hassle and use oil.

  4. #4
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    I have tried way oil, and various other types of oil on my cone pulley. I've had problems with each. Mainly every time I go to use the back gears, the cone pulley is stuck to the spindle. I have to break it free and Re-lubricate it. Several years ago I started using "Super lube". And I have not had a problem. The key is using the right lubricant. And making sure you get it into the pulley bearing. Make an adapter for a small grease gun. And make sure it comes out of the ends of the pulley.

    Also the thrust bearing is the most neglected bearing on the machine. Make sure you lube it periodically. This may mean taking the guard off to get to it.

    Stay safe and have fun.

    Joe.

  5. #5
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    Back in '83 when I bought my 197 10K I also purchased some South Bend teflon grease specifically for the cone pulley. Well, soon the thing was too stiff to turn well and was heating up. The SB dealer didn't know what was going on, but when I was in there another machine owner came in with the same complaint! So it was plain to me that teflon wasn't the right stuff.

    I took it apart and cleaned it all out. Since then I"ve used Mobile ISO 68 oil, the same as the apron, gear box, etc.

    When I stripped it all down about 8 years ago those surfaces looked new.

    So that's my experience.

    Pete

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    The older lathes have "OIL" stamped on that screw hole I think. In any event a quick shot of
    ATF in there once in a while works for me.

    I *do* know however if you pump that fitting full of long fiber wheel bearing grease, it will lock that damn thing
    up HARD. I know because Dave Sobel's helper did that to my 10L before I bought it. Took me about of month
    of injecting ATF in there to get it to free up.

  7. #7
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    I use the Roy Dean grease that was made for south Bends. Have been using it for for several years. This fall I picked up a nice 10K and used the bottle of Roy Dean I've had, It was just as fresh and good as new. It is closer to a #0 grease in consistency.

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    I used Sil-Glide from Napa. its a silicone grease, basically the same as the SuperLube. Its probably a #1 grease. I don't use the back gear very often but I have never had trouble with the cone being stuck to the spindle. Its not packed full or anything, I gave a generous wipe of grease on the surfaces when I put it together.

    at the end of the day I don't know that it matters a whole lot so long as you've got some lubricant in there that will flow.

  9. #9
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    Mine is stamped "Oil," so I use oil, and have been running the machine (a 1952 10k) for ~30 years. It works great this way, and I'd never use grease in it.

  10. #10
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    I've been running South Bend lathes of one sort or another for 65 odd years now and have always used whatever oil was going into the spindle bearings in the cone pulley "oil" hole. My sense is that what you put in there is somewhat less critical than the fact that you did put something in.

  11. #11
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    I'm an oil guy too.
    But my buddy uses motor assembly lube,gets it at the auto parts store.


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