I'm I the middle of putting my primary back together, had a bitch to remove compensator bolt, but after welding a socket to a 6 ft, pipe got it off. the ? I have now is a bought a new nut and cup because it looked like the last person to wrench the old one over did it and bent the cup and I jacked the bolt. my issue now is when putting back together and tighten up. the cup is still loose with bolt tight. I'm thinking spacer, but would that put my primary chain out of line. Any thoughts
81 shovel compensator
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I'm I the middle of putting my primary back together, had a bitch to remove compensator bolt, but after welding a socket to a 6 ft, pipe got it off. the ? I have now is a bought a new nut and cup because it looked like the last person to wrench the old one over did it and bent the cup and I jacked the bolt. my issue now is when putting back together and tighten up. the cup is still loose with bolt tight. I'm thinking spacer, but would that put my primary chain out of line. Any thoughts
A compensator bolt?????????
Plus you said... {I have now is a bought a new nut and cup}........ What kind of cup did you buy???
Also do you have a manual for your bike??????? -
Assuming you are not mixing shovel and evo compensator parts, if the cover is loose when the nut is tight, there is wear in the assembly. There are several places that wear. Yes, you can shim it to "take up" the wear. A washer under the head of the nut is NOT, repeat, NOT the way to do this. It will make the cover tight, but does not compensate (no pun intended) for the wear.
The best thing is to use an extra belleville washer from another cover, and add it to your cover, doubling the outer washer, not opposite it (if you know how a belleville washer spring works).
A solid sprocket is also an option.
JimComment
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For Chain Primary Drive, 24-tooth sprocket
for Softail models and Shovelheads from 1972-1990
Fisher Concepts vibration dampers for both chain and belt primary Big Twin, Sportster, and Buell motors.
Each unit includes the damper unit and a custom sprocket or pulley.
Stock compensators are eliminated on Big Twin models to ensure the accurate alignment of the primary drive.Last edited by Dragstews; 03-20-2020, 7:13 PM.Take my 45 and outrun em all ..Comment
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What he is calling the cup is, I think, what I call the cover, the part with the belleville spring inside.
There is a "cup" that fits between the cover and the cam, but you can't tell if that is loose when the unit is assembled. I am trying to interpret the text of the OP's post.
And, if there is any mixing of shovel and evo parts, all bets are off.
JimComment
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Some of ya were asking for pics to help me. also I think what I called cup might be cover that's won't tighten up. and if someone can tell me what the second pic is. was part of James gasket kit. I was wandering if its a spacer for inside of cover that would tighten it . but I could be way off.Last edited by tomt; 03-21-2020, 8:21 AM.Comment
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Jim I'm going to pick your brain again. Looking a the Manuel it shows from in out (1) spacer that's on mine is a large one that goes against the rotor (2)shaft extension(3)comp. sprocket(4) sliding cam(5)cup then cover and bolt. the 3 questions I have are (1) Does what I explained sound right. (2) should the sliding cam and cup separate easily, because mine seam pressed together quit tight. and (3) I removed small spacer like you said and cover snugs up the way it should. The question is the primary chain looks real close to cover, do you think someone put it there for space away from chain, then over tightened. I could swear it was in there when I tore it down. Thanks Again JimComment
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You have the late model rotor with the large washer, about 3" diameter. Between that washer and the extension, you add or subtract shims to adjust the chain line. That is important. MOST shovels take a .030 or a .060 shim. Measure from the gasket surface of the inner primary to the outside of the chain near the motor sprocket and the clutch shell to determine if the chain is running straight.
That extra shim you have may have been used to adjust the chain line. BUT, for those late rotors, there is a .094 shim that MUST be installed under the rotor, between the rotor and the seal spacer on the sprocket shaft.
If the cup is burred up, it may be tight on the cam, nothing to worry about.
The chain will be close to the cover, no worries there either.
JimComment
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