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  1. #16
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    Sep 2012
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    uk
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    More disassembly, the motor came to bits really easy.



    This one looks in good nick

    I hope I don't have to replace this big boy

    Just noticed these under the paint


    Never come across a red earth tag

    I started cleaning up the ways on the bobbin, you can still see the hand scraping.

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  3. #17
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    Sep 2012
    Location
    uk
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    I got the motor rebuilt and thought I would test it before I did any cosmetic work. This motor is not a happy bunny, very loud hum and a juddering spindle. I've got a friendly motor winders local who did the rewind on the JY I did. This motor is 4hp and pretty big I cant imagine what a rewind would cost. He has mentioned before that I could use his motor ovens and he's done small jobs for me for peanuts. Heres hoping its something simple but I very much doubt, I've seen a motor act like that before.

  4. #18
    Join Date
    Sep 2008
    Location
    Petone, NZ
    Age
    61
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    1,581

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    Quote Originally Posted by wallace1973 View Post
    ...very loud hum and a juddering spindle...
    Ouch!
    Quote Originally Posted by wallace1973 View Post
    ...I've got a friendly motor winders local who did the rewind on the JY I did...
    It seems you might get a reasonable deal locally then. With cheap Chinese imports, I'm wondering if friendly local motor winders might become as rare as local sawdoctors.

    Cheers, Vann.
    Gatherer of rusty planes tools...

  5. #19
    Join Date
    Sep 2012
    Location
    uk
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    146

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    My motor guy has just one employee and is tucked away up a side street. I think he gets a kick out of seeing this stuff getting saved. I once took a motor that I wanted rewinding to 240v which was going to cost 400 instead he altered the windings which cost 20

  6. #20
    Join Date
    Sep 2012
    Location
    uk
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    I got a call from my motor guy and he said he had tried the motor in his oven and it hadn't improved the mega test. I was waiting for the huge rewind cost and was surprised at 220. I think that's a cracking price considering its 4hp and physically huge.
    I ordered some Phosphoric acid and citric acid to try out. Both cost half the price of the magic solution from workshop heavin.

    I tried the phosphoric and I am quite impressed.

    The hand wheels look rough but after 30 mins


  7. #21
    Join Date
    Sep 2012
    Location
    uk
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    I've been experimenting with citric acid and phosphoric. The citric was pants then I read that it likes a bit of heat to make it work. A lot of people use an aquarium heater. I am quite impressed by the phosphoric, its really cheap and works with cold water. This piece is probably the worst for rust.

    I had it in the solution for a few hours and then wire wheeled it.


    I finally managed to get the bobbin off the spindle. I drilled the securing bolt out and once I tapped the top off it came off pretty easy.

    A bit pitting on the spindle shaft but I'm happy

    Top motor bearing looks good

    I'm blackening a lot of the bolts so not much shiny stuff, Couldn't resist this guard though. Flapper disc to remove pain, filler and any casting marks. Then rotary sander in drill to level out and then through the grits on the ROS. Just needs polishing

    I went on a little road trip recently and picked up a load tooling, theirs stuff for a pattern miller and LQ tooling plus a load of wadkin forstners

  8. #22
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    Sep 2012
    Location
    uk
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    I have been prepping castings ready for paint.

    I popped in to see my motor guy and he has made some progress, he's doing it when things are quiet to keep the cost down plus I'm in no rush



    A coat of etch primer

    The on/off buttons had been replaced at some point, this is the type that are supposed to be on it. I had these in my stash problem is the one on the right has a different orientation.

    Clean up nice though

    I took it in the house to show the Mrs, looks quite arty don't you think

  9. #23
    Join Date
    Oct 2013
    Location
    Perth, Australia
    Posts
    1,101

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    Great work mate!

  10. #24
    Join Date
    Sep 2012
    Location
    uk
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    To fix the hinges that snapped I drilled and tapped for some bolts and loctited

    I cleaned the electric door, just need to fill a few holes.

    I popped in to see my motor guy, the motor was completed and he had taken some pics for me.



    He had already put the motor together and tried it. By the sounds of it there is a duff bearing. I knew the big bearing was a bit dodgy because moisture must of gotten in and pooled at the bottom of the bearing, There was a small amount of pitting. He called his bearing supplier to get a quote but the price came back from 90 to 140 without vat. He offered to get the bearing through his business to save me the vat.

  11. #25
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    Sep 2012
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    uk
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    I got the bobbin motor put back together and tested, it worked fine.

    I got the bobbing mechanism put back together


    A bit bodge and zinc primer


    While I had the spray gun out I did these



    The isolator came out quite well

    I've been dreading this part, trying to fix the broken castings.

    I superglued the part together whilst I drilled and tapped the pieces together. My wadkin bench drill was perfect for this job.



    I got some brazing gear and nickel rods, so I just need to V out and see which works best.

  12. #26
    Join Date
    Jan 2014
    Location
    Sydney Upper North Shore
    Posts
    1,875

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    Fabulous renovation as usual but the pics. of the motor rewind are brilliant. It's an art form in itself.
    Thanks for sharing.

  13. #27
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    Sep 2012
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    uk
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    I got talking to the guy saying you could probably do this in your sleep, he said yeah probably been doing it for 42 years. I'm pretty lucky having this place local to me. He only has one employee and is happy to help if I go in with a question.

  14. #28
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    Sep 2012
    Location
    uk
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    The tables look rough but after a shave, wire wheel and scotchbright they are in pretty good condition.



    For the long screw that adjusts angle of the table I decided to blacken it, to save on solution I put it in a pipe.


  15. #29
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    Oct 2012
    Location
    Gosford
    Posts
    9

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    looking good. what solution did you use to blacken the adjustment screw.

  16. #30
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    Sep 2012
    Location
    uk
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    146

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    Its Caswell's cold blackening

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