Posted by gramesj on December 15, 2017 at 05:10:41 from (68.226.152.92):
In Reply to: JD 300B posted by gramesj on December 13, 2017 at 18:41:58:
I appreciate the offer on the pdf but I got a paper copy with the tractor. I think the book is from the early 80's, but it's in decent shape.
I did manage to get the pressure relief valve out on the side of the tractor. It looked pretty good. I was able to actuate the relief spring inside it. I didn't tear into the reverser control valve yet. But when I had the floor pan up I saw there was a plug on the top of the break control valve. I opened it a it was empty except for some used hydraulic sludge. Am I wrong or doesn't the break control valve get its hydraulic fluid straight from the reverser control valve? They're both bolted together. It that's the case then there has to be something I'm not seeing clogging the reverser control valve. I also undid a plug on top of the reverser control valve and it had a ball and spring under it. The ball rides on the linkage gear. it gives the linkage that knuckled in feel when you shift from forward to reverse. Anyways it had plenty of clean fluid in the valve.
So that's all I got today. Still no forward drive. I'll break apart the reverser control valve and hopefully I find something. Is there a rebuild kit for that valve? Could that be what I need? To put in some new seals?
Fun fact: Every time I try to post a response YT says I used a weird character and won't let me post. I have had to retype this because I have no idea what character it's talking about.
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