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Chasing Threads on an RV-7 Axle?

donmtt

donmtt

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Has anyone ever had to chase the threads on an RV-7 axle because the aluminum axle nut was getting stripped?

I did tires, etc on my RV and I found that the aluminum nut was completely stripped. Ordered some more from Vans and came up with a temp solution (by shortening the existing nut to get down to "good" threads)...But it pretty much stipped out too (under hand screwing pressure). Damn that aluminum is soft!

Want to figure out the core issue before putting on the new nuts. I'm betting the alxe threads are bunged up and need to be chased?
 
It’s called a thread file or thread restorer file.
It is square and has a different thread on each side.

Use your good nut and a thread gauge to verify what thread size you have before buying or borrowing one.
 
+1 on the thread repair file. They're like $15 on Amazon. I've had one in my toolbox for years; it looks kinda like a square rod with eight different thread sizes on it. It doesn't get used a lot, but it sure is the right tool for the job when you need it.
 
My guess is you have just one small spot on the thread where it was damaged. I have repaired mant threads with just a simple needle file. You can get a small package assortment for a few bucks. You want the three sided one. It has 120* angles that match the std 60* thread angle. Just fix the damaged area and work the specific thread. This type of damage is usually at the tip and not the root. A 10x magnifier will help.
 
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