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Harry Ferguson Tractors Discussion Forum
Show Parts for Model:

To 30 lift arms want go down

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Brian Anderson

04-01-2013 14:52:57
65.12.163.150



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I have a to 30 I rebuilt the pump chambers on the pump and went thru the lift cylinder everything looks ok. I put everything back together and the lift worked perfectly then when i went to put the tractor up the lift arms wouldnt go down I had a box scrape on the back of it it leaked down by the next morning. But I hooked up a set of harrows that are heavy and the lift works fine I was wondering if this could have something to do with the big spring on the back of the tractor. any suggestions.

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HillsOfTN

04-02-2013 15:48:59
74.179.43.135



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 Re: To 30 lift arms want go down in reply to Brian Anderson, 04-01-2013 14:52:57  
Brian, you might want to check and see if adjusting the quadrant will allow it to lower. I had the same problem - ie it lowered with a heavy implement, but not with a light one. After adjusting the quadrant, it now works fine.



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Jason S.

04-02-2013 06:07:47
204.54.36.245



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 Re: To 30 lift arms want go down in reply to Brian Anderson, 04-01-2013 14:52:57  
The spring won't cause the arms to go down. It does need to be adjusted properly so the draft control works properly. More than likely your control valve is sticking in the pump. does yours still have the oscillator on the control valve? I have learned that if the control valve does not have an almost mirror finish to them like when they were new they will stick.



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brian anderson

04-02-2013 12:08:27
65.12.163.150



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 Re: To 30 lift arms want go down in reply to Jason S., 04-02-2013 06:07:47  
I think it does when I had the pump out i cleaned it with brake cleaner and had to replace the clip that holds the spring back I will drain the oil down and check that control valve and see if it is sticking I may need to just order another one. thanks for the advise.



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Jason S.

04-03-2013 06:07:18
204.54.36.245



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 Re: To 30 lift arms want go down in reply to brian anderson, 04-02-2013 12:08:27  
I don't think you can get the control valve that came in the TO30's anymore, but the one for the TO20's works just fine in it. If you are going to adjust the quadrant make sure you adjust the draft spring first because that will change your quadrant setings. I ended up changing the conrol valve in my TO20 because mine would stick with the arms up and then all at once it might slam down. Mine looked ok just some discoloration and very,very small pits from water at some point in time. I changed it out and haven't had a problem since.

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