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   rec.crafts.metalworking      Metal working and metallurgy      215,319 messages   

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   Message 214,468 of 215,319   
   Snag to All   
   Precision ?   
   21 Jun 25 12:51:01   
   
   From: Snag_one@msn.com   
      
     I have to replace the engine on my log splitter* ... fortunately I   
   happen to have a suitable engine on hand for the replacement . Just   
   gotta make a couple of minor changes , like coarse instead of fine   
   thread bolts to hold the pump to the motor . And a motor crankshaft   
   that's a bit larger than the original .   
      So I'm trying to dial the coupler half in on the lathe to bore it for   
   the larger shaft . What a piece of shit , machining tolerances must be   
   just a vague idea in the shop that machined this thing . Finally got it   
   dialed in within a thousandth or so to the face and radius of the part   
   and start to machine the bore . Which is neither square nor centered in   
   the part . OK , so it was only a couple or 3 thousandths , but damn ,   
   this part was probably CNC machined and I expected closer tolerances .   
   OK , rant is over now .   
      * I thought it was fuel starvation , but that wasn't it . No power ,   
   governor surge , and it dies under load . Choke on/off makes no   
   difference and I've done a spray solvent vacuum leak check . I've   
   thoroughly cleaned the fuel tank and replaced the carb and all fuel   
   lines . This is a Viper 196cc OHV engine , and I have put a lot of hours   
   on it in the last 9 or 10 years . Might just be worn out ...   
   --   
   Snag   
   We live in a time where intelligent people   
   are being silenced so that   
   stupid people won't be offended.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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