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clutch hub stud removal

Moderators: Curt!, Pa

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fenderguitarleo

Posts: 34

Joined: Mon Jul 01, 2013 2:43 pm

Post Tue Jul 15, 2014 3:37 pm

clutch hub stud removal

Hey guys I cant find any info anywhere on how to replace the worn clutch hub studs on my 45 ? Any thoughts ? they looked peened in place.

Leo
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45Brit

Posts: 1416

Joined: Tue Nov 27, 2007 2:29 am

Post Wed Jul 16, 2014 12:02 am

Re: clutch hub stud removal

I've never done this on a 45 but its a common job on designs from that period. Usually they are threaded into the basket and peened on the outside of the basket.
Shoot, a man could have a good weekend in Dallas with all that stuff...
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Pa

Site Admin

Posts: 4700

Joined: Sun Mar 12, 2000 1:01 am

Location: Ohio USA

Post Wed Jul 16, 2014 6:38 am

Re: clutch hub stud removal

45 clutch hub studs are lightly pressed and peened.

2478-41A stud

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2477-41A stud

Image
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45Brit

Posts: 1416

Joined: Tue Nov 27, 2007 2:29 am

Post Wed Jul 16, 2014 12:02 pm

Re: clutch hub stud removal

Wow, is that all? Are they an interference fit then? Do you chill the stud and warm the hub first?
Shoot, a man could have a good weekend in Dallas with all that stuff...
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Pa

Site Admin

Posts: 4700

Joined: Sun Mar 12, 2000 1:01 am

Location: Ohio USA

Post Wed Jul 16, 2014 12:21 pm

Re: clutch hub stud removal

45Brit wrote:Wow, is that all? Are they an interference fit then? Do you chill the stud and warm the hub first?


Interference fit is correct. Just press them in at room temperature but protect the end of the non threaded stud with brass and protect the threaded stud with a nut. Heat the peened end after pressing to soften the steel for peening. I use a jewelers torch to do that task because the tip is mini and the flame hits only the peening area.
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fenderguitarleo

Posts: 34

Joined: Mon Jul 01, 2013 2:43 pm

Post Wed Jul 16, 2014 4:19 pm

Re: clutch hub stud removal

Thanks a bunch, I appreciate the info.

Leo
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fenderguitarleo

Posts: 34

Joined: Mon Jul 01, 2013 2:43 pm

Post Thu Jul 17, 2014 4:38 pm

Re: clutch hub stud removal

One more question on the clutch hub studs. How should I take the old ones out ? Grind off the peen ? Hand file the entire surface hitting all the studs ? It seems like it could be a big mess.
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Pa

Site Admin

Posts: 4700

Joined: Sun Mar 12, 2000 1:01 am

Location: Ohio USA

Post Thu Jul 17, 2014 8:36 pm

Re: clutch hub stud removal

fenderguitarleo wrote:One more question on the clutch hub studs. How should I take the old ones out ? Grind off the peen ? Hand file the entire surface hitting all the studs ? It seems like it could be a big mess.


Use a die grinder on the peens being careful not to dig into the hub itself. You only need to take the peen off real close to the hub surface. The thin excessive material you leave behind will fold up like foil and follow the old studs out while pressing them out. Use a press pilot just a bit smaller than the area of the new studs press shank. A 1/16" smaller diameter pilot is sufficient. Just make sure you press it straight and use support beneath the hub on the side the stud pushes out from.
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45Brit

Posts: 1416

Joined: Tue Nov 27, 2007 2:29 am

Post Fri Jul 18, 2014 5:44 am

Re: clutch hub stud removal

I'm aiming to rebuild the clutch for that 45 project with the Shovelhead forks while I'm home, so THIS thread needs to be on my bookmarks list..
Shoot, a man could have a good weekend in Dallas with all that stuff...
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fenderguitarleo

Posts: 34

Joined: Mon Jul 01, 2013 2:43 pm

Post Fri Jul 18, 2014 10:44 am

Re: clutch hub stud removal

Hey thanks again PA, I thought that was the way but wanted to check with you, the expert !!
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Pa

Site Admin

Posts: 4700

Joined: Sun Mar 12, 2000 1:01 am

Location: Ohio USA

Post Sun Jul 20, 2014 6:13 pm

Re: clutch hub stud removal

fenderguitarleo wrote:Hey thanks again PA, I thought that was the way but wanted to check with you, the expert !!


Expert .....LOL .......It is trial and error Bro ! I've done the worse and found out the best.... LOL

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