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King pin/hub bearing cups install

Discussion in 'Early CJ5 and CJ6 Tech' started by Chuck, Feb 26, 2006.

  1. Feb 26, 2006
    Chuck

    Chuck Sponsor

    Southshore Ma
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    I would like some opinions on the most favorable technique/tool for installing king pin cups and the larger hub cups. Thanks
     
    Chuck, Feb 26, 2006
    #1
  2. Feb 26, 2006
    speedbuggy

    speedbuggy Looking for a Jeep now

    Living the Good...
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    Chuck- I used a socket and a ball hammer for removal and seating the new cups. Nothing to it ;)
     
    speedbuggy, Feb 26, 2006
    #2
  3. Feb 26, 2006
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    Socket to remove, brass hammer to install or if necessary a socket.
     
    sparky, Feb 26, 2006
    #3
  4. Feb 26, 2006
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    :iagree:
     
    w3srl, Feb 26, 2006
    #4
  5. Feb 26, 2006
    Chuck

    Chuck Sponsor

    Southshore Ma
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    Thanks for the replies. :)

    Sparky, do you use just the brass hammer to install the hub cup? The cup is recessed 1 5/8” into the hub maybe a brass drift punch is in order? The cup is too large for any socket I own (11" drum).
     
    Last edited: Feb 29, 2008
    Chuck, Feb 26, 2006
    #5
  6. Feb 26, 2006
    luk4mud

    luk4mud New Member

    Minneosta
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    I used the old one to put the new one in. Use brass hammer to set. To get out use an extension and pop it out from the opposite side, comes out pretty easy. Don't smack the cast with a regular hammer or it will chip. Trust me.
    Dana
     
    luk4mud, Feb 26, 2006
    #6
  7. Feb 26, 2006
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    Brass drift or an old bearing cup as Dana mentioned above. I prefer the drift, since I've gotten the "old" cup stuck in there, :rofl: although you can use a steel drift to remove the "old ones since you aren't reusing them. ;)
     
    w3srl, Feb 26, 2006
    #7
  8. Feb 26, 2006
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
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    You can use a punch to install but if it were me I would use nut, washers and a nice 1/2"-3/4" bolt and pull them in by tightening it all up.
     
    Mcruff, Feb 26, 2006
    #8
  9. Feb 26, 2006
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    Brass hammer to set, socket if it's recessed where I can't get to it after that. Just make sure to hit the socket evenly.
     
    sparky, Feb 26, 2006
    #9
  10. Feb 27, 2006
    Chuck

    Chuck Sponsor

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    Thanks for the replies

    I don’t own a socket that large 2 11/16” the largest I have is a spindle nut socket and that’s too small.

    I could just use the brass drift punch but I have 8 to install and that could be time consuming. I like Mike’s idea of using a nut and bolt with washers it sounds like a good plan if I can find washers large enough. I will look around today at lunch time. Again, thanks
     
    Chuck, Feb 27, 2006
    #10
  11. Feb 27, 2006
    Boyink

    Boyink Super Moderator Staff Member

    Tulsa, OK
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    FWIW - go buy a cheapie 3/4" socket set. I think I've used the sockets more for this kind of thing than their intended use.
     
    Boyink, Feb 27, 2006
    #11
  12. Feb 27, 2006
    tommy b

    tommy b Member

    Golden, Colorado
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    What I've done in the past is to take a grinder to shave the outside diameter of the old cup, since I wasn't going to keep it. Don't need to take much off. A couple of thousandths will keep it from sticking. FWIW.

    tommy b
     
    tommy b, Feb 27, 2006
    #12
  13. Feb 27, 2006
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
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    Single biggest thing I can think of no matter what tools you use, TAKE YOUR TIME!

    Work slowly and deliberately putting the race in. I've never had any issues as long as I've done that. Work your way around the race with little taps, etc. I've used punches to install some races as well this way with no ill effects.
     
    sparky, Feb 27, 2006
    #13
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