J-head oil spindle oil cup
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  1. #1
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    Default J-head oil spindle oil cup

    I think our spindle oil cup is plugged, as the oil level doesn't go down overnight. I read not to take it out because the tube is bent at the factory and will never be right again. Anybody know if that's true? I can't pull the head apart right now, but would like to at least check the oil tube. I do know the machine does not have sealed bearings, but the open ones like it should, as confirmed by the rebuilder. I haven't seen any oil come out the bottom in quite a while. Hmmm... too many "oil" in the title but can't change it now.

  2. #2
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    I know Bridgeports are incredibly rare machines, especially in a commercial/professional setting, but I can't believe nobody knows the answer to this.

  3. #3
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    Hey Conrad,
    Do you have the step pulley or the Reeves Drive vari-speed mill?
    There is a slight difference in lube point location.
    Inserted within the the oil cup is a pipe cleaner with length long enough to
    touch the the felt shield that sits on top of the quill.
    The pipe cleaner will degrade over time and also trap debris
    to restrict the flow of oil.

    "not to take it out because the tube is bent at the factory and will never be right again"
    Don't think this is valid info.
    John

  4. #4
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    It's a Reeves. Thanks for the info- I'm going to pull the oil cup because whatever problem I create won't be worse than getting no oil!

  5. #5
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    Here are the images for Head lube.
    The spindle bearing oil location is the same for J-Head and the 2J2-Head (Reeves Drive).
    #194 is not listed in the part list. That's the "pipe cleaner" (actually it's much better than a cheap pipe cleaner) that
    delivers oil across the void to the Felt Strainer #151.
    bridgeport-2j-j-head.jpgj-head.jpg2j2-head.jpgbridgeport-j-head-assembly.jpgbridgeport-worm-gear-shaft.jpg
    Note the difference in recommended oil for the spindle bearings from the J-Head Vactra Heavy medium to
    Light Spindle Oil in the 2J2 Head. The Vactra oil for spindle oil must have been a typo or screw-up.
    John


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