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  1. #1
    Join Date
    Dec 2007
    Location
    Melbourne
    Posts
    1,628

    Default Surface grinder help

    Ok I have a problem, well a few actually but one in specific I want to ask about.

    I bought a Power Surface grinder last year and am trying to get it running again. It is flat belt driven and the previous oven had started to modify it.

    It has a interesting pulley set up and a weighted tension arm. There is one short belt for the auto feed. The longer one drives the head.


    No issue there I think I have the belts butted out.

    My problem is the long belt with no join is no longer attached to the grinder head spindle.

    He has also machined grooves into that pulley to take rubber belts. I need to replace this with an original one but I can't see how to get it out?


    At the back of the head is a single nut and a bearing race.
    The pulley had a grub screw which I removed but it is still solidly fixed in place....Does that look like a tack weld to anyone else?

    The front is a bit more elaborate and I don't have the spanners for it.


    A few of you have rebuilt other machines is this similar and any tips on the way to tackle it???
    …..Live a Quiet Life & Work with your Hands

  2. #2
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    71
    Posts
    5,942

    Default

    Dale, while you're waiting for an answer, I think it might be a good opportunity to make a few spanners to help disassembly.
    Kryn
    To grow old is mandatory, growing up is optional.

  3. #3
    Join Date
    Jan 2012
    Location
    Hinchinbrook
    Posts
    112

    Default

    Is the diameter of the head pulley small enough to pass through the casting once you remove the bearing in the back of the head? If it wont then you will need to release it from the shaft to get it out.

    And is this the tack weld you are referring to? Sure looks like one to me.
    5d42236627af0c0870b9026f8e8d369b.jpg

    Cheers Phil

  4. #4
    Join Date
    Dec 2007
    Location
    Melbourne
    Posts
    1,628

    Default

    Not much room in there to try and see. But yes that is what I thought may be a weld. I only spotted it in the photo myself.

    The pulley may fit through the hole in the back if the bearing was removed. The bearing would have been pressed in?


    i don't know know if it should come out to the front or rear either.
    …..Live a Quiet Life & Work with your Hands

  5. #5
    Join Date
    Dec 2007
    Location
    Melbourne
    Posts
    1,628

    Default

    Just realised I some how put this in the smithy rather than general section. If mids can shift it please.


    Thanks to a C-spanner from the Swapmeet I got this loose so there is some hope yet.
    …..Live a Quiet Life & Work with your Hands

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