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Hinge bolt

Boileregger
Boileregger Posts: 614
in EggHead Forum
So last week when I was opening the dome I felt it pull hard to the left.  I found that one of the hinge bolts had snapped completely in half.

Replaced the bolt and got a lock nut to put on there.  One week later I find the lock nut is not locking and is coming loose.  Do I have a bad lock nut or is something else going on with the hinge?  I tried to tighten it back and it just spins.


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Comments

  • Markarm4119
    Markarm4119 Posts: 526
    If bolt and lock nut were same size then what temp did you get the egg up to ? A locking nut typically uses nylon inside on the threads to lock, possible heat distortion ?
    LBGE, and just enough knowledge and gadgets to be dangerous .
    Buford,Ga.
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  • RRP
    RRP Posts: 26,089
    Those hinge bolts are meant to be a bit loose so play is important. My guess is your use opening and closing aborted the nylon grip. 
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  • Boileregger
    Boileregger Posts: 614
    @RRP should I not use a lock nut then?  the original but looked to be a lock nut 
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  • Fred19Flintstone
    Fred19Flintstone Posts: 8,173
    I've never had the difficulty you're describing.  If a lock nut fails, then why not go old school and double nut it with a jam nut?  Just a thought.
    Flint, Michigan
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  • poster
    poster Posts: 1,255
    edited March 2017
    That nut looks a little large for the bolt. Sounds dumb, but you sure you got matching sizes? If so try adding a washer, and moving up to a stover nut
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  • Boileregger
    Boileregger Posts: 614
    poster said:
    That nut looks a little large for the bolt. Sounds dumb, but you sure you got matching sizes? If so try adding a washer, and moving up to a stover nut
    LoL.  While I am mechanically challenged, I'm not THAT mechanically challenged.  ;)
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  • poster
    poster Posts: 1,255
    Boileregger said:
    poster said:
    That nut looks a little large for the bolt. Sounds dumb, but you sure you got matching sizes? If so try adding a washer, and moving up to a stover nut
    LoL.  While I am mechanically challenged, I'm not THAT mechanically challenged.  ;)

    lol, I know it was out there, you never know though, ive seen stranger things. I know lots of people with a random assortment of fasteners in a jar.... metric, imperial, and is there a term better than Chinese? all mixed together. Throw in a 16" crescent and a pair of linesman pliers to tighten them up and you can make just about anything fit together
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  • RRP
    RRP Posts: 26,089
    poster said:
    Boileregger said:
    poster said:
    That nut looks a little large for the bolt. Sounds dumb, but you sure you got matching sizes? If so try adding a washer, and moving up to a stover nut
    LoL.  While I am mechanically challenged, I'm not THAT mechanically challenged.  ;)

    lol, I know it was out there, you never know though, ive seen stranger things. I know lots of people with a random assortment of fasteners in a jar.... metric, imperial, and is there a term better than Chinese? all mixed together. Throw in a 16" crescent and a pair of linesman pliers to tighten them up and you can make just about anything fit together
    I hear you - but I trusted him as he was way ahead of some eggers in that he knew it was a bolt not a "screw". ;)
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  • RRP
    RRP Posts: 26,089
    Boileregger said:
    @RRP should I not use a lock nut then?  the original but looked to be a lock nut 
    Nothing wrong with a locking nut at that hinge location - just don't run it up tight as that junction is supposed to move when the dome is opened and closed.
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