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> Trying to rebuild my pedal cluster, rust fighting back >> got it apart
Chris914n6
post Nov 27 2016, 05:48 PM
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I popped the roll pin out of the clutch arm. Soaked it, hammered it, stuck it in a vise and muscled it, no budge. What's the trick?
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mepstein
post Nov 27 2016, 05:58 PM
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Our mechanics always use heat to unstick things and lots of it.
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BeatNavy
post Nov 27 2016, 06:00 PM
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It was a royal PITA for me. I soaked it with PB. Then tried that acetone/ATF fluid mix. Lots of heat. BF Hammer. No dice. Finally after several days I think I had it in a vice with a drift the right size. Used the floor jack handle as my cheater bar and finally got it to budge. After that, it was just a matter of time. This one can really suck, no doubt about it. It was harder than the shift bar linkage pin I did last year, and I thought THAT was PITA (IMG:style_emoticons/default/hissyfit.gif)
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gms
post Nov 27 2016, 06:24 PM
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if you don't have a press try an air chisel and heat
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Elliot Cannon
post Nov 27 2016, 06:51 PM
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Or send it to bdstone914.
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injunmort
post Nov 27 2016, 06:51 PM
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i am confused. did you get the roll pin out and now having trouble intsalling
it or have you been unable to remove it?
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Chris914n6
post Nov 27 2016, 08:19 PM
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QUOTE(gms @ Nov 27 2016, 04:24 PM) *

if you don't have a press try an air chisel and heat

I have a 20T HF press. Haven't thought of a way to mount it without damaging it. Pics or a how to?
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porschetub
post Nov 27 2016, 08:21 PM
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QUOTE(Chris914n6 @ Nov 28 2016, 12:48 PM) *

I popped the roll pin out of the clutch arm. Soaked it, hammered it, stuck it in a vise and muscled it, no budge. What's the trick?

Are you punching the pin from the correct side,if I rememeber right theres one end and then the other,Elliot that's sounds like the sort of reply you would get on Pelican,no disrespect to Bruce but many can only afford DIY.
Its not like we own cars that are worth that much ...sad really.
My assembly was all pretty and painted up but little else found most bushes gone or very worn,replaced with bronze bushes all good.
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Chris914n6
post Nov 27 2016, 08:44 PM
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I can see the confusion now. I'm trying to get the arm off to do new bushings, clean and repaint and stuff.

Nothing against bdstone, I just like to do my own stuff.
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bdstone914
post Nov 27 2016, 10:09 PM
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QUOTE(Chris914n6 @ Nov 27 2016, 05:48 PM) *

I popped the roll pin out of the clutch arm. Soaked it, hammered it, stuck it in a vise and muscled it, no budge. What's the trick?


Yes heat. Heat it until the bushings catch fire and burn them out.
If you hammered on the end of the shaft you will mushroom it and never get it out. Hammer the shaft back in by placing the clutch shaft end with the lower clutch arm over the spread vice jaws. Hit straight down just enough to get it to move.
Now inspect the end to see if it is mushroomed. If so file or grind down the flare on the end.

Then clamp the other end of the clutch shaft in the vice and using a large adjustable wrench twist the lower clutch shaft wist back and forth until you can get at least 1/4 turn of movement. Don't use to much force in twisting. I have twisted the hole shaft and stretched the round roll hole oval.

If that is not clear I can take pictures tomorrow. I have had a few out of the couple hundred I have rebuild where I could not get the lower clutch to move. I then grind through the lower clutch arm with an angle grinder.
If you have to do that I can supply a replacement part.

Last resort send it to me and I will rebuild it.
Bruce


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rjames
post Nov 27 2016, 11:22 PM
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When I rebuilt mine I had the same issue and ended up just taking it to a machine shop. They got it out in 10 minutes and didn't charge me anything.
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bdstone914
post Nov 28 2016, 12:04 AM
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Here are some pics. Pound the shaft into the clutch arm with the vice jaws spread just wider than the shaft diameter. You only need to move it about MM. Grind down the flared end.

Clamp either end of the shaft on the vice and twist the other end with a long wrench. Work back and forth until it turns more easy.
Clamp the shaft flange in the vise. Have a helper use two screw drivers to pry on the lower shaft while you twist the lower clutch flange. put the upper clutch pedal back in to have more leverage.







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whitetwinturbo
post Nov 28 2016, 11:24 PM
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(IMG:style_emoticons/default/w00t.gif) (IMG:style_emoticons/default/popcorn[1].gif) (IMG:style_emoticons/default/w00t.gif) (IMG:style_emoticons/default/pray.gif) (IMG:style_emoticons/default/pray.gif) (IMG:style_emoticons/default/pray.gif)
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mb911
post Nov 29 2016, 04:45 PM
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Bruce what bushing kit brand do you recommend and where do you suggest buying them?
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Rsjg911
post Nov 29 2016, 05:53 PM
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Sounds like rebuilding your cluster turned into a Cluster Fuch!

Good luck! (IMG:style_emoticons/default/drunk.gif)
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Chris H.
post Nov 29 2016, 07:38 PM
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That job that is rarely worth doing yourself. The brute force and heat required to get that &*(&^*ing thing apart is nuts. Top 10 on the "914 projects that suck" list. Send it to Bruce, he will send you a nice purty one back.
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mepstein
post Nov 29 2016, 07:59 PM
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QUOTE(Chris H. @ Nov 29 2016, 08:38 PM) *

That job that is rarely worth doing yourself. The brute force and heat required to get that &*(&^*ing thing apart is nuts. Top 10 on the "914 projects that suck" list. Send it to Bruce, he will send you a nice purty one back.

(IMG:style_emoticons/default/agree.gif) 100%
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bdstone914
post Nov 29 2016, 09:01 PM
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To the OP: did you get it apart? did the pictures make sense?


Thanks for all the kind words. After doing a couple hundred you learn a few tricks. I like building them. Some I get apart in ten minutes. Some in an hour and the one in the picture never.
I realize my service is not for everyone and do not mind helping with advice helping other rebuild theirs. I also do them for 911 up through 1989 including the G50 type sets.

Bruce
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bdstone914
post Nov 29 2016, 09:04 PM
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QUOTE(mb911 @ Nov 29 2016, 04:45 PM) *

Bruce what bushing kit brand do you recommend and where do you suggest buying them?


I buy mine from Pelican cause I work there and get them at cost. They all seem to be the same made by Cannon.
Pelican 10-1792-423-M105 for $14.25
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Chris914n6
post Nov 29 2016, 10:32 PM
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QUOTE(bdstone914 @ Nov 29 2016, 07:01 PM) *

To the OP: did you get it apart? did the pictures make sense?


Thanks for all the kind words. After doing a couple hundred you learn a few tricks. I like building them. Some I get apart in ten minutes. Some in an hour and the one in the picture never.
I realize my service is not for everyone and do not mind helping with advice helping other rebuild theirs. I also do them for 911 up through 1989 including the G50 type sets.

Bruce

Thanks. Pics helped alot. I didn't think of pushing it in to break the bond. I'm hoping to get to do car stuff tomorrow. Mine is not nearly that rusty so I'm optimistic.
Is someone making replacement springs? Mine is missing, though I think I'll be engineering a helper spring for the big 9" clutch.
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