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Oct 16th, 2007, 08:13 PM
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#1 | | Rookie 10+ posts
Join Date: Oct 2007
Posts: 29
| Pinion shaft nut removal
Anybody have some insight into how the heck I remove the pinion shaft nut off my pinion shaft? I am replacing the pinion gear. The nut seams to be welded on. Is this a shop work deal?
Thanks in advance.
I bought a 1981 shovelhead and have not even started it yet. Arggg.
Help.
JD | 
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Oct 16th, 2007, 08:41 PM
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#2 | | Very Active Poster 50+
Join Date: Apr 2007 Location: alabama
Posts: 69 Model: 90 flhtcu, 95 flhtcu, 99fltr Interests: motorcycles/women/food not always in that order Occupation: industrial mec/elect
| The pinion shaft nut is left hand threads. So if will come off as if you were tighting.
paco | |
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Oct 16th, 2007, 10:03 PM
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#3 | | Rookie 10+ posts
Join Date: Oct 2007
Posts: 29
| Thanks I know this, but how to loosen the nut
I put it in a vice and it scared the shaft, just spun in the vice. I put a vice grio wrecnh on it and again it spun. Is there a secret I need to know about? I want to ride my new bike,.... Help | |
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Oct 17th, 2007, 02:28 AM
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#4 | | Has posted 500+
Join Date: Dec 2006 Location: Stanton, NJ
Posts: 1,378 Model: 04 Dyna WG (with a 240 rear tire) Interests: Harleys, drag racing, family, fishing, my rottweilers, the UFC Occupation: Carpenter/Builder
| Sometimes an impact gun will jar it loose if hit in quick bursts....sorry my only suggestion.  | |
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Oct 17th, 2007, 09:34 AM
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#5 | | Has posted 500+
Join Date: Jun 2004
Posts: 3,107
| Possibly red loctited on very tight, you can heat it with a torch that will cause the red loctite to flow and then you can get it off, or an impact, be sure you have a locking tool to keep everything else from moving.
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Oct 17th, 2007, 10:00 AM
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#6 | | Moderator Has posted 500+
Join Date: Jul 2005
Posts: 7,426
| you dont want to score or scratch the shaft....the gear slides on it... 
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Oct 18th, 2007, 09:30 AM
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#7 | | More than 100 posts!
Join Date: Dec 2006 Location: Cape Coral, Florida
Posts: 151 Model: '04 FXDL.... Interests: drag racing, muscle cars, street rods, annoying others
| I know Paco already said this, but really hope you caught the part that they are REVERSE threads ! (clockwise to loosen) | |
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Nov 6th, 2007, 09:55 PM
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#8 | | Newbie
Join Date: Nov 2007
Posts: 5
| Re - Pinion shaft nut removal
I had this same problem on my recent starter drive gear replacement. Don't know if the Shovel 4-speed primary is the same as Evo, but on mine I couldn't use an impact cuz the nut has that weird rounded shape (not hex). I put the shaft in a vise, with the jaws around the shaft in the area between the tranny and primary seals. That way if it does get scratched, its not in a place where it really counts. Heated it up plenty (not enough to change color, though) with a plumbing torch to melt all the old loctite. Took a few blows with a mallet on the 5/8" combo (in the CW direction) to get it loose. Then when it cooled I cleanned it all up with aluminum-oxide 200 grit and Mother's. | |
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