Author Topic: can't get the torx head bolts out of bottom of Stihl ms 310 engine  (Read 351 times)

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Offline Fish

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Damn, yeah you need to get some good quality bits then.

Heck, just drop buy your local Stihl dealer and pay him $10 to knock them loose.

Offline KilliansRedLeo

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I just had the same sort of problem with a ms660 clutch  no matter what I did, even a 1/2 inch air gun would not break it loose. Then I remembered something my father taught me. I set the gun to tighten the clutch ( yes I know it is reverse thread ). One or two burps then set it to remove the clutch and burp burp and it came right off. It has something to do with breaking the thread contact area down by tightening the fastener.
"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

Thomas Jefferson
1743-1826

Offline Fish

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yes, knocking it into any movement can work, but the saw in question utilizes more or less a self tapping fastener, so that
is something to keep in mind....

Offline Stihl got it

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Place your torx in the screw and smack your torx with a hammer a couple sharp raps. Then it will loosen. Works every time for me.

Offline Al Smith

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Wiha of Germany makes some sturdy tools that I doubt you could twist off .

Offline David Young

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Heat gun the top alum conducts. And it's connected to the bottom.  PB blaster and a Milwaukee cordless impact have done it for me. Is the screw head super clean?

Offline rdhart

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I got them out. I just had to get the new bit. Thanks

Offline stihls066

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I use the t-handle wiha and never have a problem, even the loctited ones come out easy. only thing I ever had a problem on was a fried 660 clutch and it took the big half inch air impact to get er off after I torched the clutch a little
chainsaws are chainsaws but stihl runs through my veins
Stihl 044,440,046,460,064,066,660,084,088,880
Ht 101,131
Mac sp125,125c,5-49

Offline Jd2007

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I got them out. I just had to get the new bit. Thanks

That's good you got them out & can continue with the work needed.  Out of the several Stihl saws I've taken apart with the engine mounting bolts on the bottom I've always been able to use a scrench that comes with the saw.
Stihl 029/039, MS280, MS250
Craftsman 4218

 

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