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Case Tractors Discussion Forum
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Case 430 oil leak

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Dave F.

04-22-2005 14:17:16




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found oil leaking around the push rod tubes, at the botom of the tube.("O" rings )can these be replaced with out pulling the head? I realize the push rods will have to be removed to gain acess to the tubes & "O" rings Thanks Dave F.




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DaveF

04-23-2005 08:09:38




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 Re: Case 430 oil leak in reply to Dave F., 04-22-2005 14:17:16  
Dennis, 6 of the 8 tubes are leaking. Could all the push rods be bent??? Engine runs really well.
Thanks, Dave F.



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Dennis/Ohio

04-23-2005 20:06:44




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 Re: Case 430 oil leak in reply to DaveF, 04-23-2005 08:09:38  
They seem to bend with just a backfire. Hopefully none are bent but roll them on a flat surface to be sure.
Best, Dennis..... .....



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Dave F.

04-23-2005 22:02:04




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 Re: Case 430 oil leak in reply to Dennis/Ohio, 04-23-2005 20:06:44  
Dennis, tell me more about quad rings? also maybe your procedure for removing & installing the "o"rings, I have a service manual I can't really tell for sure if the bottom "o" rings go underneath the head in a recess or not. Thanks Dave. & I'll check the push rods.



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Dennis/Ohio

04-24-2005 05:20:26




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 Re: Case 430 oil leak in reply to Dave F., 04-23-2005 22:02:04  
Dave,
You probably should pull the head since so many are leaking. I had a bent push-rod last summer and did one tube. The push rod was rubbing the tube and caused the o-rings to start leaking.
mscdirect.com has the quad-rings but I don't know how size them.
You'll have to remove all the valve train & push rods. The head has a o-ring groove at top and bottom of each tube. Pick out the o-rings with a pick type tool. Install new o-rings. Polish the tubes, oil & push them back in from the top.
Hope that helps, Dennis..... ..

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Dennis/Ohio

04-23-2005 02:07:28




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 Re: Case 430 oil leak in reply to Dave F., 04-22-2005 14:17:16  
Dave,
You can replace them without removing the head. You probably have bent push rods rubbing the tubes. I was told Quad-rings will work better than o-rings but haven"t tried it myself yet.
Best, Dennis..... .



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