4030 steering problems

monty18 · Oct 13, 2014

i just got a jd 4030 got home and hyd stoped working. ended up taking control valve out changing all the oil and filters and went to working great. after 3 days using it it did it again. where no hyd pressure at all. took control valve out again and adjusted. once again went back to working fine other than no power steering going to the left. turn right easy as can. but going left have to work at it and sometimes plum hard as can get . ive removed every line off the steering hoping to bleed and such forth but have only gotten to where its a little easier. does anyone have any ideas on something else i can try without paying jd 100 hr to work on it

FBH44 · Oct 13, 2014

You'll get better response over on the Deere forum.

roaddevil49 · Oct 13, 2014

(quoted from post at 17:18:31 10/13/14) i just got a jd 4030 got home and hyd stoped working. ended up taking control valve out changing all the oil and filters and went to working great. after 3 days using it it did it again. where no hyd pressure at all. took control valve out again and adjusted. once again went back to working fine other than no power steering going to the left. turn right easy as can. but going left have to work at it and sometimes plum hard as can get . ive removed every line off the steering hoping to bleed and such forth but have only gotten to where its a little easier. does anyone have any ideas on something else i can try without paying jd 100 hr to work on it

Sounds like the power steering control valve needs to be rebuilt,might be wrong but I think the same valve was used in the early 544-644 industerial loaders, they acted the same way.

Tech 7 · Oct 13, 2014

and ask for Tim S

Tx Jim · Oct 13, 2014

Did you use the correct special plate and dial indicator to adjust the control valves?

4030 steering problems

monty18

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FBH44

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roaddevil49

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Tech 7

Well-known Member

Tx Jim

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