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Old 06-04-2017, 09:19 AM   #21
Samhain
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Right, goes into stock basket. Brain wasn't firing on all cylinders.
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Old 06-09-2017, 01:07 PM   #22
packrat56
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Default Re: Ways to make shovelhead clutch easier to pull?

Installed the new clutch, seems simple enough.

There are no instructions and no noticeable way to make any adjustments to the diaphragm?

Do I simply tighten the 5 nuts and make center adjusting screw adjustments?
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Old 06-09-2017, 03:15 PM   #23
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That's how the primo adjusts. Snug the bolts up, you can measure the diaphragm crown but it's supposed to come set to spec. just set your cable and pushrod.
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Old 06-09-2017, 03:41 PM   #24
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Default Re: Ways to make shovelhead clutch easier to pull?

Went to tighten them and found if I run them down to contacting and tighten that would collapse the spring completely. So, is there a simple procedure to do this?
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Old 06-09-2017, 06:18 PM   #25
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Default Re: Ways to make shovelhead clutch easier to pull?

Quote:
Originally Posted by packrat56 View Post
Went to tighten them and found if I run them down to contacting and tighten that would collapse the spring completely. So, is there a simple procedure to do this?
You adjust by looking straight down at it, placing a straightedge on the outside and measuring the gap of the curve.

On the Rivera Primo, the diaphragm spring will be compressed to within .010”-to-.020”of being flat when correctly installed & adjusted

manual here: http://www.riveraprimoinc.com/PRO-CL...IONS-lores.pdf
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Old 06-14-2017, 04:18 PM   #26
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Default Re: Ways to make shovelhead clutch easier to pull?

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Originally Posted by packrat56 View Post
Went to tighten them and found if I run them down to contacting and tighten that would collapse the spring completely. So, is there a simple procedure to do this?
Run them down till there is just a little gap between the spring and the edge of the plate, then check by pulling the lever. The spring should be flat with the lever pulled. Final adjustment is just like a stock clutch, fine tune it with all 5 nuts so that the pressure plate does not cock sideways when it pulls out and all of the washers are snug under the nuts.
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Old 06-20-2017, 11:24 AM   #27
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Default Re: Ways to make shovelhead clutch easier to pull?

Thanks for the assistance all. This seems to be an overall improvement and is much easier for the ol lady to use.

Appreciated!
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Last edited by packrat56; 06-20-2017 at 11:30 AM.
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