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Technical Dented Banjo Tube Fixable?

Discussion in 'The Hokey Ass Message Board' started by brsturges, Feb 3, 2023.

  1. brsturges
    Joined: Oct 22, 2008
    Posts: 966

    brsturges
    Member
    from Miami, FL

    I just picked up this banjo rear end (looks like a 37 or 38 based on the wide five drums and mechanical brakes) but it has a pretty good dent in one of the housings. Fixable? What do you guys think? I will certainly check for straightness as well once I get it apart back home. Just curious if anyone has tackled a fix like this before 667C7906-B431-456B-8555-B01C23DE4549.jpeg
     
    tractorguy likes this.
  2. Corn Fed
    Joined: May 16, 2002
    Posts: 3,409

    Corn Fed
    Member

    Even if that tube wasn't dented it has so many deep rust pits that I wouldn't use it.
     
  3. Doublepumper
    Joined: Jun 26, 2016
    Posts: 1,734

    Doublepumper
    Member
    from WA-OR, USA

    I'd probably weld a bolt there and use a strong back to pull the dent.
     
    Mimilan and brsturges like this.
  4. brsturges
    Joined: Oct 22, 2008
    Posts: 966

    brsturges
    Member
    from Miami, FL

    Yeah, it has seen better days, but are you speaking from just a cosmetic standpoint? It seems plenty solid to use to me, but I appreciate the opinions of others with more experience. Are you saying this pitting would cause a safety concern for you?
     
    Robert J. Palmer and tractorguy like this.
  5. '29 Gizmo
    Joined: Nov 6, 2022
    Posts: 1,129

    '29 Gizmo
    Member
    from UK

    Depends what caused the dent. If it was a point loading such as dropping of a jack then may not be an issue but it its a sign the axle was buckled by some other incident it may mask other more serious problems.

    If its a simple dent it can be fixed using a pipe expander thats used to make exhaust systems
     
    Last edited: Feb 3, 2023
    tractorguy and brsturges like this.
  6. Kiwi 4d
    Joined: Sep 16, 2006
    Posts: 3,804

    Kiwi 4d
    ALLIANCE MEMBER

    Pretty decent rust pits on the housing by the spring perch ,and the backing plate nuts appear to be rusted off . Find out what the bearing lands are like, if you can get the drums off even. Personally after spending time sandblasting etc ,i would continue shopping.
     
    1946caddy likes this.
  7. quickchangeV8
    Joined: Dec 7, 2010
    Posts: 585

    quickchangeV8
    Member

    If this rear banjo was mine, I would first be removing the brake drum and backing plate, to make sure the banjo bearing surface is in good useable condition. A lot of times that bearing surface is badly pitted and rusted or deep scarring from a bad bearing. Personally I would look for another banjo bell. The 1937-41 banjo bells are not all that difficult to find.
     
    tractorguy likes this.
  8. brsturges
    Joined: Oct 22, 2008
    Posts: 966

    brsturges
    Member
    from Miami, FL

    Thanks for the feedback, everyone. I will see what I find when I tear this apart later.
     
  9. brsturges
    Joined: Oct 22, 2008
    Posts: 966

    brsturges
    Member
    from Miami, FL

    Got it all apart last night. Passenger side housing looks useable. The top side of the bearing surface on the housing with the dent looked ok (first picture) but the bottom side has some gouges. I don’t think they are sent related as it seems the bottom half of these surfaces typically has more wear since that is where the weight is resting. both axles look good and straight with good key ways and seal surfaces.

    A658FE18-CABD-4975-AE0C-D18F1C769F32.jpeg

    7340082D-3EDD-4618-9C53-3B90407C1166.jpeg


    Again, I appreciate the feedback. I will keep looking for another rear as this dented housing will need too much work to be worth it I think.
     
    Lloyd's paint & glass likes this.
  10. GearheadsQCE
    Joined: Mar 23, 2011
    Posts: 3,670

    GearheadsQCE
    Alliance Vendor

    Time for another Quickchange?
     
    gimpyshotrods and brsturges like this.
  11. brsturges
    Joined: Oct 22, 2008
    Posts: 966

    brsturges
    Member
    from Miami, FL

    I’ve kicked myself so many times for selling that my butt hurts! I think this is going to be more of a budget build, but if I get the funds, I am definitely in for another one!
     
  12. Glenn Thoreson
    Joined: Aug 13, 2010
    Posts: 1,017

    Glenn Thoreson
    Member
    from SW Wyoming

    That bearing surface needs to be sleeved to be usable. The amount of rust on that thing would make me look for a better one. It would be to your advantage to plan on sleeving those bearing races. The biggest problem with that is finding a machine shop that can, or will, do it. Those races are case hardened. The Hotrod Shop in Idaho is the best at fixing these and usually has a couple in stock already done and ready to ship.
     
    brsturges likes this.
  13. deathrowdave
    Joined: May 27, 2014
    Posts: 4,869

    deathrowdave
    ALLIANCE MEMBER
    from NKy

    If you are determined to use it , anything can be repaired . Blast the thing spotless clean , Weld the heavy rust and grind it clean . If me look for another . There is a ‘46 truck (open driveshaft ) banjo resting 2 blocks from me . The guy says , I’ll call you when ready to scrap it . I check once every spring , nothing moving yet . It will be total junk soon .
     
    brsturges likes this.
  14. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,401

    gimpyshotrods
    ALLIANCE MEMBER

    It's always time for another quickchange.
     
  15. Mr48chev
    Joined: Dec 28, 2007
    Posts: 35,581

    Mr48chev
    ALLIANCE MEMBER

    I'm with QuickchangeV8 in that a decent tube shouldn't be all that hard to find nor that spendy.
     

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