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Old 04-22-2010, 08:31 AM   post #1 of 4
dieselscout80
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Default IH 424 3 Pt Won't Work after Hydraulic Filter Change

I drained my hydraulic oil and cleaned the screen/filter on my 424, but after refilling it the 3 point hitch doesn't move. Moving the lift lever or the draft control levers have no control of the hitch. I can grab the 3 pt arms (while engine is running) and lift them all the way up its like some linkage is disconnected. The power steering works fine so the hydraulic pump is working.

Anyone have a good starting point on trouble shooting this?
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Old 04-23-2010, 09:59 PM   post #2 of 4
dieselscout80
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Default Re: IH 424 3 Pt Won't Work after Hydraulic Filter Change

I popped the cap off the pressure line tee where it connects into the flow divider that separates the power steering from the 3 pt hydraulics and it shot oil out after a second or so,

Can the flow divider that separates the power steering from the 3 pt hydraulics stick?

I had very little flow out the orifice valve screen port when running and none out the auxiliary port.
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Last edited by dieselscout80; 04-23-2010 at 10:08 PM.
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Old 05-01-2010, 02:57 PM   post #3 of 4
dieselscout80
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Default Re: IH 424 3 Pt Won't Work after Hydraulic Filter Change

Quote:
Originally Posted by dieselscout80 View Post
I popped the cap off the pressure line tee where it connects into the flow divider that separates the power steering from the 3 pt hydraulics and it shot oil out after a second or so,

Can the flow divider that separates the power steering from the 3 pt hydraulics stick?

I had very little flow out the orifice valve screen port when running and none out the auxiliary port.
Well today a bleed it somemore (more like took a hydraulics shower ) at the flow divider and it started working.
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Old 05-12-2010, 08:26 PM   post #4 of 4
TheLawnRanger
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Default Re: IH 424 3 Pt Won't Work after Hydraulic Filter Change

Air in the hydraulics will do it everytime.
I have has similar issues on occasion with my IH404.
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