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Case Tractors Discussion Forum

Case 630 problems

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Dairy Farmer

05-18-2006 19:44:41

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We bought a Case 630 a cople years ago and no matter what, it burns the front main bering in the engine rods. It's been gone through MANY times an we've checked for pluged oil lines and they are all clear. Anyone have a clue what else might be wrong? Thanks fer yer help!

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05-19-2006 19:51:30

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 Re: Case 630 problems in reply to Dairy Farmer, 05-18-2006 19:44:41  
A crankshaft that is not straight can cause this problem also.

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Gene Dotson

05-19-2006 18:55:19

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 Re: Case 630 problems in reply to Dairy Farmer, 05-18-2006 19:44:41  
Has this tractor been used with a front end loader? If so, the weight to the front axle is carried through the front of the engine. It is possible the area of the front main bearing is distorted. The only cure is to have the main bearing bosses line bored to true them up. Frame reinforcement plates should be used on these tactors when a loader is used on them. The front of the engine is the weak point on these engines and many have the front ears broken where the front axle attaches. The frame reinforcement plate can be made from 3/4 inch steel and bolted to the front cultivator mounting holes and the side mounting holes in the clutch housing... Gene

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Doc Larry

05-19-2006 04:21:21

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 Re: Case 630 problems in reply to Dairy Farmer, 05-18-2006 19:44:41  
"front main bearings in the engine rods"

Is the problem the front main bearing, or the front rod bearing, or more than one front rod bearing?

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Dairy Farmer

05-19-2006 18:17:16

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 Re: Case 630 problems in reply to Doc Larry, 05-19-2006 04:21:21  
The Front main Berings
I was getting myself mixed up

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Roger (Mi)

05-19-2006 03:58:19

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 Re: Case 630 crankshaft problems in reply to Dairy Farmer, 05-18-2006 19:44:41  
Gone are the days when one could put a piece of bacon rind around a crankshaft main journal or connecting rod journal and make do. Today's engines require .001" clearances on the mains and rods. Unless you remove the crankshaft from the engine and have it machined properly, you'll continue to have problems.

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Walt Davies

05-18-2006 19:48:37

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 Re: Case 630 problems in reply to Dairy Farmer, 05-18-2006 19:44:41  
Can olny be two things no oil or setup to tight. Walt

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