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#Post#: 84345--------------------------------------------------
Stripped bar bolt PS540
By: rayvil01 Date: February 3, 2019, 7:05 pm
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I had a moment of abject stupidity. Just leaned on a bar bolt
nut too hard and stripped the threads completely on the casing
side of an old favorite saw, my Dolmar PS 540. Can I get away
with an 8mm X 1.25 Helicoil for a repair?
Thanks,
Ray
#Post#: 84363--------------------------------------------------
Re: Stripped bar bolt PS540
By: Chainsawrepair Date: February 6, 2019, 6:47 am
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I ask the chainsaw repair group for you.
Some ideas.
I wouldn't reccomend helicoil for anything unless material is
lacking. Stihl studs can sometimes be screwed in. For thread
repair I'd use these.
HTML https://www.mcmaster.com/#90699A315
Stainless threaded insert works great on any say. Drill and tap
for tge insert and JB Weld the threads before screwing it in.
Better then factory
Stihl stud repair I know of. But these I didnt know if they had
a bigger repair stud or not. Seen folks drill out case and tap
for a redneck bar stud deal. Cant remember it all.
I wonder if the stihl ones I have saved in thread would work for
him. Turn or grind shoulders down.
#Post#: 84364--------------------------------------------------
Re: Stripped bar bolt PS540
By: Chainsawrepair Date: February 6, 2019, 7:25 am
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Nate a dolmar makita echo dealer = i would skip the
helicoil....key sert like shawn suggested or time sert. on holes
that were to big for a time sert i have also drilled/tapped to
next size up and screwed a bolt in it with red loctite on it.
after it set up i cut the bolt off flush and drilled/tapped it
for the correct thread.
#Post#: 84365--------------------------------------------------
Re: Stripped bar bolt PS540
By: rayvil01 Date: February 6, 2019, 8:57 am
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Thanks for the info. Much appreciated.
Ray
#Post#: 84366--------------------------------------------------
Re: Stripped bar bolt PS540
By: HolmenTree Date: February 6, 2019, 12:46 pm
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I can't remember off the top of my head for sure what saw I
fixed, I think it was my old Stihl 019.
But I was able to put a longer bar stud in it and back a nut
onto it inside the oil tank, right through the oil tank filler
hole.
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