Posted by ScottyHOMEy on December 07, 2009 at 03:53:01 from (70.105.235.89):
In Reply to: Farmall 230 posted by Forrest Clifton on December 06, 2009 at 20:39:29:
Sounds of things, you're already headed the right direction in shopping for a new block, but all may not be lost.
Did the cam gear itself break, leaving the center on the shaft, or did it snap off the end of the cam? Cams and cam gears can be bought as salvage, as can the governor/distributor drive gear. If you can do that, great. But where the governor gear was probably bunged up by the cam gear being out of alignment (I'm guessing busted or chewed up teeth on the gears) you should suspect at least the potential of the crank gear being similarly damaged. A sudden stop of the motor, as I assume occurred can also bend a crank. If either is the case, a replacement crank would do the job, keeping in mind that you'd want to have it turned (or buy one that has been), which will mean new rod and main bearings for it.
All the notion of swapping in parts hinges on being able to weld the busted "ears" on the crankcase. There are a good many that have had those ears busted and welded back up and holding fine, though I don't know that I'd trust it too far with any heavy loader work, if that's a factor.
There will be unknowns with a replacement block or complete motor, so there's some risk there. But there's just as much unknown about what other, hard to detect damage was done to the one you have. It may take a machine shop to evaluate your crank, cam and block, a good welder, and some shopping and shipping to go that route.
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