 Shifter Cone Screw Keeps Loosening, Thread Locker or Worn? |
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| Spoke |
 Dec 6 2024, 07:30 AM
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#1
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Jerry  Group: Members Posts: 7,104 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None 
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Every 6 months I have to retighten the cone screw on the shifter. This time it came out real quick. I thought it might come out all together. I couldn't get 2nd without hitting reverse. The picture shows how much the screw backed out.
Not sure how much torque I applied but I was bending the allen wrench. Questions: Should I have thread locker on this? What is the torque required for the cone screw? Possible that the threads have been widened by repeated looseness? Why didn't they put a bolt through this to really lock the hub onto the shaft? TIA (IMG:style_emoticons/default/beerchug.gif) Attached image(s) 
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| Spoke |
Dec 6 2024, 08:03 AM
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#2
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Jerry Group: Members Posts: 7,104 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None
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The cone screw thread appears to be folded over at the bottom. Really messed up.
Attached image(s)  
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| Superhawk996 |
Dec 6 2024, 08:33 AM
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#3
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914 Guru Group: Members Posts: 6,598 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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QUOTE(Spoke @ Dec 6 2024, 10:03 AM)  The cone screw thread appears to be folded over at the bottom. Really messed up. Looks like maybe the cone maybe is hitting the top of the pocket in the shaft (rolling the 1st thread). Hard to say if the cone screw wasn’t machined properly or maybe the pocket in the shaft is getting enlarged by having been loose for too long. Inspect Remove 1st thread if needed to allow the set screw to seat fully in the shaft pocket. |
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Posts in this topic
Spoke Shifter Cone Screw Keeps Loosening Dec 6 2024, 07:30 AM
brant Intended to be one time use
Replace both. And you... Dec 6 2024, 07:33 AM
JamesM
Intended to be one time use
Replace both. And yo... Dec 7 2024, 07:40 PM 87m491
The cone screw thread appears to be folded over a... Dec 6 2024, 09:25 AM Superhawk996
Why didn't they put a bolt through this to r... Dec 6 2024, 08:29 AM Steve Unless their worn or partially stripped, I just pu... Dec 6 2024, 08:55 AM VaccaRabite A small amount of blue loctite is all you need.
T... Dec 6 2024, 09:02 AM Superhawk996
A small amount of blue loctite is all you need.
... Dec 6 2024, 09:22 AM 930cabman
A small amount of blue loctite is all you need.
... Dec 6 2024, 10:50 AM ejm First time I've seen a cone screw facing up. I... Dec 6 2024, 11:14 AM 930cabman
First time I've seen a cone screw facing up. ... Dec 6 2024, 12:52 PM r_towle
First time I've seen a cone screw facing up. ... Dec 9 2024, 07:30 PM Spoke
First time I've seen a cone screw facing up.... Dec 9 2024, 07:47 PM rjames
I don't know what the exact spec is, but it... Dec 6 2024, 11:44 AM GregAmy I know it's often said these are one-use items... Dec 6 2024, 11:49 AM Spoke I cleaned up the first thread on the cone nut and ... Dec 6 2024, 12:26 PM flipb If you want to replace the coupler, the part numbe... Dec 6 2024, 03:26 PM mb911
Every 6 months I have to retighten the cone screw... Dec 7 2024, 07:20 AM DC_neun_vierzehn This is the cheapest I've found the Genuine Po... Dec 7 2024, 08:42 AM Bartlett 914 I reuse mine. I use a torch and warm the screw. Yo... Dec 7 2024, 08:43 AM 930cabman
I reuse mine. I use a torch and warm the screw. Y... Dec 7 2024, 09:39 AM Bartlett 914
I reuse mine. I use a torch and warm the screw. ... Dec 7 2024, 01:30 PM brant I've salvaged knuckles in the past...
take the... Dec 7 2024, 08:43 AM rhodyguy That’s why you buy 4 at a time. They fit in the ... Dec 7 2024, 02:14 PM sixnotfour I wish they still had the square head with lock wi... Dec 7 2024, 06:24 PM SKL1 Thanks for the part numbers! Think I'll o... Dec 7 2024, 09:13 PM 913B I remember there was a vendor that had a modified ... Dec 8 2024, 12:45 PM Spoke Problem solved. Sort of. At least I can move the c... Dec 9 2024, 10:11 PM 930cabman
Problem solved. Sort of. At least I can move the ... Dec 10 2024, 11:18 AM Spoke
Side note, how is progress with your 930?
The t... Dec 10 2024, 03:07 PM TheCabinetmaker Your coupler is on upside down. Get a new coupler ... Dec 10 2024, 10:35 AM 930cabman
Your coupler is on upside down. Get a new coupler... Dec 10 2024, 11:17 AM |
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