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Hydraulics on a B question

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Jeff B.

04-15-2010 19:56:54

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As I've been fixing up this tractor I notice that the hydraulic engagement plate on this thing doesn't move enough. The slot in the plate is quite long, but it won't move more than about 1/4". Seems to be locked up. Does the tractor have to be running to be able to engage the hydraulic pump? before I took it apart, the linkage was worn and bent so bad that the lever moved all the way, but wouldn't push the plate to engage the pump. How about giving me some pointers on how the pump engagement works. The outer plate that is spring loaded has full travel, but the inner one won't move. Thanks in advance. Jeff

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04-16-2010 18:04:19

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 Re: Hydraulics on a B question in reply to Jeff B., 04-15-2010 19:56:54  
dont take this as the gospel, but you move one plate with the lever. You move it toward "up" or "down" one way or the ohter. After you move the 1/4 inch or so, the outer plate engages and moves the inner plate. Then the hydrualics go up or down. when you let go of the handle, the lever spring back to the neutral positon or "hold", that is spring loaded. Total movement is about 1/4 of a revolution i think... 90 degrees.

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04-16-2010 17:55:31

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 Re: Hydraulics on a B question in reply to Jeff B., 04-15-2010 19:56:54  
You can lift the rod to engage the pump and then start it if thats what you are asking. You need to have the clutch in if it is running and you try to engage the pump. You can still lower the hydraulics if the tractor is off and pump is disengaged.

If you search on here there is a picture of the pump diagram.

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04-16-2010 15:22:52

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 Re: Hydraulics on a B question in reply to Jeff B., 04-15-2010 19:56:54  
Tractor must be running and PTO must be engaged for the hydraulics to work.

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Jeff B.

04-16-2010 17:53:24

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 Re: Hydraulics on a B question in reply to morton(pa), 04-16-2010 15:22:52  
I realize that it needs to be running for the hydraulics to work, but shouldn't you be able to engage the pump just by pushing the lever? It seems to be locked up so the linkage won't even activate the pump.

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