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10" Brake Drum And Hub Assembly Questions...

Discussion in 'Jeepster Commando and Commando Tech' started by Yellow67, Sep 8, 2021.

  1. Sep 8, 2021
    Yellow67

    Yellow67 New Member

    Tulsa, OK
    Joined:
    Jul 1, 2021
    Messages:
    2
    Good afternoon, all -

    In removing the rear brake drums from my '67 convertible, one of the drums was pretty frozen to the tapered shaft, and I ended up bending it with the drum puller I bought. Bought a new hub, new drum, and new studs to replace it with. I have a few questions about assembling the hub and drum:

    On the new drum, there is a weight welded to the outside of the drum (see pic). My old drum doesn't have this weight. Does it matter where this weight is indexed with respect to the hub?

    Jeep Drum & Hub 3.jpg

    I've read that the drum and hub are pressed together, then the studs are pressed into the hub/drum assembly. I have a press (the Harbor Freight bottle jack type) that I use often, but don't really have enough room or correct fixtures to press this thing together correctly without the concern of bending new parts. What kind of shop could press this thing together for me? A machine shop?

    Jeep Drum & Hub.jpg

    Any and all help greatly appreciated!
     
  2. Sep 8, 2021
    OzFin

    OzFin Vintage Jeep Guy

    Michigan
    Joined:
    Jul 16, 2007
    Messages:
    800
    I don't believe that the drum needs to be indexed in any particular position. I've had several vehicles in the past that had the balance weights on the drums and I never made any effort to orientate them in any way and never experienced balancing issues.
    My 1970 Jeepster Commando originally had 10" drums and they were not swaged onto the hubs or flanges.

    Here is some useful information too
    Jeepster Service Manual
     
  3. Sep 8, 2021
    Andrew Theros

    Andrew Theros Member

    Los Osos, CA
    Joined:
    Feb 24, 2021
    Messages:
    124
    I am going through this right now.
    Hopefully my hubs will be waiting for me when I get home today.
    Lots of good info here,
    Rear Hub Split
    These guys know their stuff.
    I am definitely more confident with their advice in my pocket.
    What about wheel cylinders? I had a heck of a time finding rebuild kits locally.
    Finally ended up buying new on amazon. Still have part #’s if you want them.
     
  4. Sep 8, 2021
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor 2021 Sponsor 2020 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    23,048
    Re the wheel cylinders, apparently new ones were available. I would throw away the old and buy new. Don't rebuild.
     
  5. Sep 8, 2021
    Lockman

    Lockman My " Rosie" 2022 Sponsor 2021 Sponsor 2020 Sponsor

    White City, NY 14617
    Joined:
    Dec 4, 2018
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    That's the factory balance weight for that particular drum . Install it anyway. It's in it's own world.
     
  6. Sep 9, 2021
    colojeepguy

    colojeepguy Colorado Springs

    At the foot of...
    Joined:
    Apr 4, 2010
    Messages:
    5,652
    A 70 has 1 piece axles, so it's a different setup.
    You can do this yourself with an air hammer....or a BFH if you eat your Wheaties!
     
  7. Sep 9, 2021
    Yellow67

    Yellow67 New Member

    Tulsa, OK
    Joined:
    Jul 1, 2021
    Messages:
    2
    Thank you all for the replies - I appreciate the help!

    Guess I'll give the air hammer a try...
     
  8. Sep 9, 2021
    OzFin

    OzFin Vintage Jeep Guy

    Michigan
    Joined:
    Jul 16, 2007
    Messages:
    800

    Yeah... I should have mentioned that my 70 is a late production 1969 titled as a 70, it had the hood reflectors, narrow front springs, 10" brakes, Ross steering and the two piece rear axle. The axle / drums were original and were not swaged. I left the drums on for additional support when I pulled the rear hubs, but they would slide right off the lug nuts :shrug:
    It's possible that someone had removed them in the past before i owned it.
    [​IMG]

    [​IMG]

    Front axle / 10" brakes
    [​IMG]




    Yellow67, take one of your new lug studs and see if it fits freely through the holes in your replacement drums. If it does and your drums mount on the outside of the hub/flanges then I wouldn't think there would be a reason to swage the new drums /studs together.
     
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