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    3. AR3 J3 Spindle is Loose
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    Ran Tao
    Apr 8, 2020

    AR3 J3 Spindle is Loose

    I’m building the AR3 with aluminum parts and I‘m stuck on page 100 where I just installed the J3 spindle retainer. After tightening the screws a lot, i accidentally stripped one of the screws, but the spindle is still decently loose, has approximately 1mm of play. I’m not sure how to recover from this situation. I also have very few tools. I’ve tried to push the spindle and retainer closer together using the mounting bracket of a vice grip and a piece of plastic to grip the spindle retainer end to avoid the shaft, but I couldn’t seem to grip it farther. I also tried to cut one of th M3x10 shorter and tighten it harder, but it doesn’t seem to make the retainer and spindle any closer. I want to take it apart and see if there’s something inside wrong but I don’t know how to recover this stripped screw... Any advice would be appreciated.



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