Help! 1935 unstyled model a john deere tractor

tractorgirl

New User
I am working on putting together the engine of an unstyled model a john deere tractor for part of a class. I can't use the manual, and because this is such a rare tractor, I am having a really hard time finding the information that I am looking for. This tractor was made at the end of 1935 and it is made up of different pieces and isn't necessarily the same as other unstyled a tractors. I am trying to find the proper rocker arm gap, the torque sequence for the head, and the spark plug gap. If anyone has any tips on putting this together or knows any of these specifications, that would be really helpful. Also, what tools do I need? My teacher is already bringing in something to measure the torque and the rocker arm gap, as well as the tools we used to take the tractor apart, but do I need anything else?

Any tips or anything that can help me in the right direction would be wonderful.
 
Well, I can't answer your questions, but if you'll post down in the John Deere section below, someone will know.

But I have a question. Why can't you use a manual? A manual is of critical importance when going into something like this! Chances are you will get some replies to your answers. Unfortunately, "If it's on the internet, it must be true!" does not apply on this, or any forum! LOL

Manuals are cheap. One simple mistake can cause the destruction of costly, irreplaceable parts, not counting the time and heartbreak of seeing a good effort wasted, and possibly an avoidable injury!

If your instructor is telling you not to use a manual, please show him/her my response! Not being mean to you, just want you to do it right, learn something, be safe, and enjoy your experience!
 
There isn't a good service manual for the unstyled tractors. The owners manual will have most everything you need for info.Clearance at the rocker arms is .020. When torqueing the cylinder head, start at the middle and work out in a clockwise rotation. They're not difficult to work on. Many old farmers overhauled them under a shadetree without a book.
 
I agree with Steve. If this instructor believes there is some "honor" in attempting this without a manual then you BOTH are in for a long hard (and expensive) road. Get one and do it right....or leave it to the instructor.
 

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