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Technical F1 hubs on 41-48 Spindles

Discussion in 'The Hokey Ass Message Board' started by seb fontana, May 18, 2025.

  1. seb fontana
    Joined: Sep 1, 2005
    Posts: 9,113

    seb fontana
    Member
    from ct

    Looking for grease seals national oil seal 473441 and self adjusting hardware kit. I found seals on amazon @ $40.00 each [really] self adjusting parts piece by piece on Rock Auto. Where else can I look? Late so done for tonight, Thanks.
     
  2. H2540 & H2541 self-adjuster repair kits
    H7144 spring & hold down kit.
    Usually get these from RockAuto @ a reasonable price even considering shipping.

    Last 473441 seals I picked up were from O'Reilly, about $10 each.

    Should use a factory self-adjusting shoe retainer or relieve your existing shoe retainers to clear the forward retract spring.

    F-1 self-adjusting L-H (Medium) - Copy.jpg

    Self-adjuster batwing med.jpg
     
  3. seb fontana
    Joined: Sep 1, 2005
    Posts: 9,113

    seb fontana
    Member
    from ct

    Thank you Rich B.! P/N's and Pics are a big help for the self adj and hold down relieving. Ordered everything from Rock Auto except for seals which I got from O'reilly, still $10. Since the front brake cylinders were so bad and I can't remember ever replacing the rear cylinders I thought I better check them too so I ordered new rear brake cylinders, maybe I will change them just because.. Thanks again. Update: today I got the rear drums off and the brake cylinders are just starting to weep, these are from 1969 or so when I put the 1st 9" rear in. Done good I guess EIS parts I think.
     
    Last edited: May 19, 2025
    alanp561 likes this.
  4. seb fontana
    Joined: Sep 1, 2005
    Posts: 9,113

    seb fontana
    Member
    from ct

    Just a note: Last 473441 seals I picked up were from O'Reilly, about $10 each have to be left about a 1/32" proud of the hub or they will seat on the cone bearing cage! Or maybe can trepand the inner metal shield off in a lathe.
     
    RICH B likes this.

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