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Old 05-12-2009, 02:09 PM   #1
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Default TC3 spring pin replacement

Does anyone use replacement (steel pin??) for the spring pin in hex drive in TC3?? I just found out the pin is a little big and every time I need to nearly destroy the pin to pull it out. Any advice will be appreciated
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Old 05-12-2009, 02:22 PM   #2
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Default Spring pins

Try McMaster-Carr for good replacements. 500 of them are about $8. If you want to go crazy, you can get them in stainless.
Here's a link:
http://www.mcmaster.com/#roll-pins/=1ufvmy
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Old 05-12-2009, 02:28 PM   #3
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Default Roll pin tool

Also, if you take a pair of needlenose pliers and grind a notch in the side of the "nose", you can use the pliers to remove and install the pins easily. Basically, you want one part of the pliers to push the pin out into the space created by the notch you just ground out of the the other part of the pliers.

I made a pair about 10 years ago and I use them often. The cheaper the pliers, the easier it is to make the tool.
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Old 05-12-2009, 02:41 PM   #4
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Quote:
Originally Posted by jhberger View Post
Try McMaster-Carr for good replacements. 500 of them are about $8. If you want to go crazy, you can get them in stainless.
Here's a link:
http://www.mcmaster.com/#roll-pins/=1ufvmy
I am not sure if the pin is too big or the hole is too small. The spring pin used in TC3 is 1/16', maybe the pins come with the car is not exactly right size. So should I go for 1/16 or slightly smaller? I have other two cars, Tamiya ta05 and HB Cyclone, their pins are solid steel and the holes have some tolerance so that you can easily push/pull the pin through the hole. Just curious why such a good car has this small but annoying problem
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Old 05-12-2009, 05:11 PM   #5
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How about drilling out the hole to accept the larger pin?

I've run into this problem as well and i drilled quarter way into the hole from both sides to free up the pin after i push it through. Less material is holding the roll pin so it's a bit easier to pull the pin through.
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Old 05-12-2009, 06:23 PM   #6
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I used to use 1/6 drill bit shanks cut to the right lenght.
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