 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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| Bartlett 914 |
Dec 7 2024, 08:43 AM
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#2
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Advanced Member Group: Members Posts: 2,218 Joined: 30-August 05 From: South Elgin IL Member No.: 4,707 Region Association: Upper MidWest |
I reuse mine. I use a torch and warm the screw. You will see the plastic ball soften. It will come out easily. I then insert a 1/8" nylon ball n place. A drop of instant adhesive will hold in in place. When inserting the screw, some will be cut off. You may think it all came out but it hasn't. I have done this for yr\ears. McMaster Carr will sell 100 1/8" nylon balls for less than a single cone screw. I have done this for years and no issues!
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| 930cabman |
Dec 7 2024, 09:39 AM
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#3
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Advanced Member Group: Members Posts: 3,780 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States
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QUOTE(Bartlett 914 @ Dec 7 2024, 09:43 AM)  I reuse mine. I use a torch and warm the screw. You will see the plastic ball soften. It will come out easily. I then insert a 1/8" nylon ball n place. A drop of instant adhesive will hold in in place. When inserting the screw, some will be cut off. You may think it all came out but it hasn't. I have done this for yr\ears. McMaster Carr will sell 100 1/8" nylon balls for less than a single cone screw. I have done this for years and no issues! May I nominate you sir for CSOB of the year? (IMG:style_emoticons/default/beer.gif) |
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| Bartlett 914 |
Dec 7 2024, 01:30 PM
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#4
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Advanced Member Group: Members Posts: 2,218 Joined: 30-August 05 From: South Elgin IL Member No.: 4,707 Region Association: Upper MidWest |
QUOTE(930cabman @ Dec 7 2024, 10:39 AM) QUOTE(Bartlett 914 @ Dec 7 2024, 09:43 AM) I reuse mine. I use a torch and warm the screw. You will see the plastic ball soften. It will come out easily. I then insert a 1/8" nylon ball n place. A drop of instant adhesive will hold in in place. When inserting the screw, some will be cut off. You may think it all came out but it hasn't. I have done this for yr\ears. McMaster Carr will sell 100 1/8" nylon balls for less than a single cone screw. I have done this for years and no issues! May I nominate you sir for CSOB of the year? (IMG:style_emoticons/default/beer.gif) Thanks. But cheap isn't it. Shipping delay also plays a part. I never need to wait on one. |
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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 Spoke The cone screw thread appears to be folded over at... Dec 6 2024, 08:03 AM Superhawk996
The cone screw thread appears to be folded over a... Dec 6 2024, 08:33 AM 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 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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