Posted by tractorcedric on December 21, 2017 at 17:15:58 from (63.248.49.229):
So I got the injection pump off of my 3020 JD. Many of you posted very good info! The metering valve was stuck. The plastic ring that drives the governor was gone. The bad news is that I busted the cam ring advance bolt. It did not want to come loose. I drilled a hole through it from the hole in the opposite side of the cam ring and used an easy out and some heat. I read some were that JD used a special headed advance bolt? Would I have to get it from them? I have torks 45 that worked well on the two other pumps I have done for Gleaner engines. Also I noticed that since the plastic ring has been gone for a while the little pins that it fits over are worn. So were is the best place to get the updated governor and one of those advance bolts? Thanks for all your helpful info!
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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