730 Case CK gas hydraulic

JCCWI

Member
730 CK gas....Is there a way too boost hydraulic pressure?
According to serial number should be 1956 model.
I have the IT shop manuel but having some trouble following diagrams to check pressure and etc.
Having trouble raising old 1424 JD hydro-swing haybine. No trouble with field cult or pushing baler out. Will swing hydro-swing from side to side OK but not lift so good.
 
Yes you are right Loren....1965...I'll double check to make sure. I did notice in the IT book there was a change between early and late models on 730 hydraulics but no serial number mentioned when change took place.

John
 
I agree with replacing the cylinder on the haybine with a larger diameter cylinder. Since 1960 Deere tractors have had 2000 psi hydraulics. Your 730 is probably around 1500 psi maximum. Check the specifications for your tractor and the haybine to be sure and go from there.
 
I have had good results by shimming relief valve spring. Need to remove seat and platform to a find. You should hook a pressure gauge in remote and shoot for 1500-1600#. A penny usually does the trick.
 
Duane...Took seat off andstill did not locatepressure relief valve. Platform has to come off also?????

John
 

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