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  1. Replies
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    You don’t need the bushing in the middle. The...

    You don’t need the bushing in the middle. The angular contact bearing on the inside of the gearbox will support 1000+ pounds and the leadscrew maybe weighs 25. The thrust bearing on the outside...
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    I know they make them. I am surprised they were...

    I know they make them. I am surprised they were not in the kit. I would contact them and ask if they are supposed to be included. Did you get the rubber bumper and felt doughnut for the tailstock...
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    1) 1 3/8 ID is a 10L, the 10R has an ID of 1 1/16...

    1) 1 3/8 ID is a 10L, the 10R has an ID of 1 1/16

    2) No spindle lock. Some folks engage the back gear with the bull gear pin still engaged as it locks the spindle. This puts stress on the back...
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    753

    You turn (as in machine) the test bar on your...

    You turn (as in machine) the test bar on your lathe. The leveling screws in the tailstock foot twist the bed so you don’t need shims.

    Leveling with a precision level gets you really close. The...
  5. Replies
    8
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    753

    You need to turn a test bar unsupported by the...

    You need to turn a test bar unsupported by the tailstock to dial in the bed adjustment screws. I think there is a description in the south bend book, How to Run a Lathe. There are a bunch of videos...
  6. Replies
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    Countershaft option. I was fortunate to get the...

    Countershaft option. I was fortunate to get the matching three step flat belt countershaft pulley with my #4 Stark. I used a countershaft motor mount from a 9” South Bend lathe. The set up works...
  7. Replies
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    2,351

    Sounds like you had two problems in the...

    Sounds like you had two problems in the beginning. The gear train should be 20 - 80 - 56 which you have corrected and got you closer. I think the second problem might be the gear attached to the...
  8. Replies
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    It’s a mica undercutting tool for working on...

    It’s a mica undercutting tool for working on electrical motors.

    southbend accessory identification

    Hope this helps

    Ben
  9. Replies
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    You are correct. There should be a brass shoe...

    You are correct. There should be a brass shoe under the thumb screw.
  10. Replies
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    2,016

    The bull gear is keyed to the spindle. Pull the...

    The bull gear is keyed to the spindle. Pull the pin and the cone pulleys turn independent from the bull gear and spindle.

    Hope this helps

    Ben
  11. Replies
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    859

    I have a Heavy 10 with a VFD and as mentioned...

    I have a Heavy 10 with a VFD and as mentioned above run it at ~60hz most of the time and shift the belts when needed. I set the lower frequency limit at 30hz and upper limit at 75hz. I tweak the...
  12. Looks really shiny, love the paint. That was...

    Looks really shiny, love the paint. That was running on the fastest speed so lots of gear noise. I didn’t see oil dripping or slinging so it needs more. The cover will help with the slinging oil,...
  13. Replies
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    I used a 4” hole saw to cut through an old back...

    I used a 4” hole saw to cut through an old back plate. I made a spindle thread protector out of the center Slowest backgear and 30hz on the VFD. Worked surprisingly well. Make sure to back up the...
  14. I am using a 1hp, 220v single phase input, FMX...

    I am using a 1hp, 220v single phase input, FMX TD200 on both my Heavy 10 and my Bridgeport mill. They have been solid performers for a little over a year now. They do not come in an enclosure so...
  15. Replies
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    2,575

    I use a micrometer stop all the time on my Heavy...

    I use a micrometer stop all the time on my Heavy 10. I have the bed bracket as well and the geometry of the bracket through me for a loop until I used it. As pointed out above, the stop doesn’t...
  16. Vertical orientation on the bed bracket is used...

    Vertical orientation on the bed bracket is used when working close to the spindle with stock held in collets. Because of interference with the gearbox you can’t move the bed clamp back far enough to...
  17. Replies
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    My Heavy 10 is the same so I am guessing factory....

    My Heavy 10 is the same so I am guessing factory. Wears on the ends first and works it’s way to the center as it slowly wears itself down. I thought I remember reading somewhere that if you re...
  18. I have the same banjo and gearbox on my Heavy 10...

    I have the same banjo and gearbox on my Heavy 10 and it has the 40 tooth stud gear which is the picture on the left. I am not sure if south bend changed any of the other gears during its production...
  19. I fixed my compound screw by cutting off the...

    I fixed my compound screw by cutting off the threaded portion and drilling and tapping a hole for a retaining screw. I think I used #6 32 counter sunk socket head screw. I made a brass disk that I...
  20. Thread: 30tpi, SB 9A

    by BDRetz
    Replies
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    417

    Confirmed that it worked perfectly on my Heavy 10...

    Confirmed that it worked perfectly on my Heavy 10 swapping the 56 tooth on the gearbox input for a 42 tooth.

    Hope this helps.

    Ben
  21. Replies
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    The specs for the KBMA-24D say it is capable of...

    The specs for the KBMA-24D say it is capable of 115/120 single phase input through a jumper setting. The output is 208/230 three phase though. You will need a three phase motor. The drive will not...
  22. Replies
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    You can swap out the bed for a longer one but...

    You can swap out the bed for a longer one but it’s tedious to do it right. The model B and C lathe beds don’t have the third screw hole for the gearbox mounting so you will need to drill that...
  23. I would verify the pitch with a pitch gauge if...

    I would verify the pitch with a pitch gauge if you have one. Dial indicator to measure travel per revolution as mentioned above. Or scratch a standard pitch and compare it to a bolt you have.

    If...
  24. Replies
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    Discussed here a few years back. Head stock...

    Discussed here a few years back.

    Head stock taper 13" Series S

    Hope this helps.
    Ben
  25. Replies
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    Sounds like an interesting and rare lathe. I...

    Sounds like an interesting and rare lathe. I have only seen one gap bed 9” and it was not metric. If your leadscrew is metric pitched then you should not have any transposing gears in the train...
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