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I'm working on a neglected Ariens 924038 with a 7HP Tecumseh. I presume it's an HM70 but the top is too rusty to clearly identify.

I removed the nasty carb for a good cleaning and noticed one of mounting studs was loose. I was able to apply just enough force on the attached throttle bracket to hold it while I removed the nut. After cleaning the carb I am unable to tighten the nuts on the mounting studs- now both carb mounting studs are turning even if I try to leverage the throttle bracket to force the studs from turning.

Is there an easy trick to solve this issue? I considered using a dremel to grind a slot in the stud head for a screwdriver. Otherwise, I'll need to dig into more disassembly to get behind the mounting studs to determine a better approach.

Thanks in advance.
 

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Take the small manifold that carries the bolts (they aren't actually studs - they go no farther than the small manifold at the right in your picture) off the head (the philips bead bolts for that are visible - to the right and just below the nut with the arrow) and ensure that the appropriate lock washers are behind the bolt heads.
 

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Premium Member
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Discussion Starter #3
Take the small manifold that carries the bolts (they aren't actually studs - the go no farther than the small manifold at the right in your picture) off the head (the philips bead bolts for that are visible - to the right and just below the nut with the arrow) and ensure that the appropriate lock washers are behind the bolt heads.
Great idea-- I should have thought of that~ thanks!
 
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