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  #1  
Old 02-26-2011, 02:43 PM
catflyer catflyer is offline
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Weedwacker Repair?

My brother gave me a cheap John Deere string trimmer. It was in pieces when he gave it to me, and needed the carb cleaned. It was missing one of the muffler bolts. I replaced the bolt, got it running well, and used it for about 3hrs, when I noticed the bolt loosening. I overtightened it, and stripped the threads out of the motor. The local repair guy says on that trimmer there isn't enough metal to use a helicoil(?) to re-thread it. Is there a heat resistant epoxy I could just glue it back in with? I may as well try to get as much use out of it as I can.Thanks, Brian
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Old 02-27-2011, 02:34 PM
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Landrus2 Landrus2 is offline
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Get hear protection and run it with out muffler
Just kidding
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  #3  
Old 02-27-2011, 06:20 PM
GlynnC GlynnC is offline
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I've attempted several different products--none worked. Finally thrashed a perfect running blower due to stripped threads--except it was the carb bolts--darn thing would run until the carb was almost falling off!!!!!!!!!!!!!!!!!!!!!
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Old 02-27-2011, 09:55 PM
jkason jkason is offline
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Quote:
Originally Posted by catflyer View Post
Is there a heat resistant epoxy I could just...
It's not the heat that will do it in, it's the vibration.
Junk it and get another one.
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  #5  
Old 02-28-2011, 11:31 AM
Stan MI Stan MI is offline
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Maybe you could rethread it the next size up.

Or, try a metric thread of similar size.

Or, use a coarse thread bolt.

Put a toothpick in the hole then put the bolt in. (Toothpick takes up a little room.)

JMT's
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  #6  
Old 02-28-2011, 01:03 PM
catflyer catflyer is offline
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Thanks guys. I think I'll try to do something, maybe epoxy/self tapping screw.
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  #7  
Old 02-28-2011, 02:28 PM
betmr betmr is offline
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Try to rethread to next size. I'm guessing you put in a bolt you found in the junk drawer. And it was not an exact match. i.e. Standard bolt in a metric hole. Just a guess.
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  #8  
Old 02-28-2011, 02:49 PM
catflyer catflyer is offline
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Actually, I went to the local hardware store, and a young guy helped me find a match for the original.
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  #9  
Old 03-01-2011, 12:42 PM
STCL01 STCL01 is offline
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Have someone put a helicoil in it. Its an insert that taps in and rethreads the thing. Sometimes it works better in aluminum than a simple rethread. Most mechanics shops can do it.
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  #10  
Old 03-02-2011, 10:30 PM
jkason jkason is offline
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Quote:
Originally Posted by STCL01 View Post
Have someone put a helicoil in it. Its an insert that taps in and rethreads the thing. Sometimes it works better in aluminum than a simple rethread. Most mechanics shops can do it.
Yes, but an honest mechanic will tell you that putting a helicoil in that trimmer is not worth the expense. You won't get that much use out of it before it either breaks again, or something else lets go.

Quality equipment is a better investment. (You get what you pay for.)
__________________
We, the unwilling, led by the unknowing, are doing the impossible for the ungrateful;
We have been doing so much, for so long, with so little, that we are now qualified to do anything with nothing.


The difference between a Technician and a Mechanic - A Technician uses a book, the Mechanic uses his brain.
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