Posted by Andy C on April 28, 2012 at 18:58:41 from (74.103.166.48):
I am working on getting a Detroit 4-53 (I think) running for a customer. It sat for a few years and the starter would only move the crank a few degrees at a time. Took the starter off and used a pry bar on the ring gear teeth but couldn't budge it. Next step was to remove the oil pan.I took off # 3 Main to try to get an idea of brg conditions. The bearing looked darn near perfect. I went this route first as It was quick and I was also advised that someone may have tried to start it with water in cylinders and bent connecting rod(s). The next step seems to be remove the head (looking to see rust in cylinders)The first question is: Can I remove the head by just taking out the head bolts and disconnecting the fuel rail from the Governor. I Understand the injectors need to be synchronized and don't want to mess with that if I don't have to. I would like to get some info on this motor such as torque specs., HP etc. on the little aluminum plate it says Mod. 5043-5001, Unit# 4D290174. I also see it has N45 Injectors. Is this a 4-53? Is there a good place to get parts? I am interested in the HP as we will probably not spend a lot of money to get this running and may have to look another similar size motor as a replacement. Any suggestions on procedures to continue troubleshooting would be appreciated. Thanks, Andy
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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