350 C valve adjustment

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donnaldp46
40C crawler
40C crawler
Posts: 12
Joined: Sat Jan 16, 2010 11:31 am

350 C valve adjustment

Post by donnaldp46 » Mon Mar 14, 2016 6:28 pm

I have a JD 350 C. I went to adjust the valves and there are NO set screws with lock nuts on the rocker arms above the push rods. There is a nut on the push rod below the rocker arm. Looking down into the hole in the rocker arm above the push rod it looks like a tube is threaded into the rocker arm but I see no way to adjust that. WHAT DO I HAVE???? Can and how do I adjust the valves? HELP PLEASE

Thank you

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LeonardL
350 crawler
350 crawler
Posts: 869
Joined: Thu Oct 06, 2011 7:11 pm
Location: Missouri

Post by LeonardL » Fri Mar 18, 2016 9:32 pm

I know this is late but the nut is what you turn to adjust the valves. They are fitted in the rocker arm with a very tight fit. So it takes considerable force to turn these nuts. Sorry again for not seeing this post earlier.
40 plus years working on JD 350s, 400Gs, 450s and other equipment both Ag and Construction.
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donnaldp46
40C crawler
40C crawler
Posts: 12
Joined: Sat Jan 16, 2010 11:31 am

Post by donnaldp46 » Sat Mar 19, 2016 8:17 am

Thank you. After talking and showing pictures to an older local engine machinist we concluded the same. I was able to adjust them yesterday and the tractor sounds better now

Thank you

donnaldp46
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