[SEL] Stripped stud

[frank skinner]

Suggestion, install a heli-coil {stainless Steel } and forget it,

The Exhuast wont be kind to  the J-B.

They also make "Thread-serts " but you need a bigger hole for them.

 

          My $.75 worth 

 

http://www.oldengine.org/members/fskinner/index.htm

 

              B,Rgds & good luck



        Franklin S. Skinner 
    Marine Surveyor & Consultant 
3428 Talon Court Wilmington NC 28409 
       34'10.9 North 74'52.4 West 
PH 910-791-8870 Cell 910-612-7470



 
> Date: Mon, 20 Apr 2009 13:03:10 -0500
> From: George_Best at adp.com
> To: sel at lists.stationary-engine.com
> Subject: [SEL] Stripped stud
> 
> Sorry, but this isn't an off topic thread ;-)
> 
> The exhaust stack flange on my 12hp Ingeco is held in place by two 1/2"
> studs to the engine head.
> 
> Unfortunately, the upper stud is missing and the hole is pretty well
> stripped out with only a trace of threads still showing. Only the back
> of the hole still has enough thread left to hold a bolt in place when
> pulled on by hand. I'm sure if you put a nut on the stud the little bit
> of thread wouldn't hold any pulling force.
> 
> I'm debating on how to fix it.
> 
> I could coat a 1/2" stud with JB Weld and put in place and let it cure,
> hoping it will be strong enough to hold the exhaust stack in place.
> Remember there is still one good stud so the JB Welded one is getting
> some help from the other stud. 
> 
> Or.....
> 
> Rethread the stud hole for a 9/16" stud and then cut down the other end
> of the stud and thread it for 1/2". (make a stepped stud, assuming the
> hardware store doesn't already stock stepped studs)
> 
> I'm thinking rethreading for the larger size is probably the better way
> to go, but was wondering if anyone has tried the JD Weld method and had
> it work?
> 
> George
> 
> 
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