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  #1  
Old 04-17-2005, 04:45 PM
tonym tonym is offline
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Walker Hyrdro problem question?

I have a Walker Model C 16hp with 130 hours on it. Today I found a problem with the left side hydro. It has lost power and the mower mostly wants to go around in a circle. The left hydro still moves a little, ust not like it should. I took a look at the hydro , the fan that is connected to the hydro was broken, and just setting beside the hydro(between the hydro and the battery,still spinning), not connected to it. The fluid does not look or smell burnt , and is full.
Does this mean I will need a new hydro, or can it be the pully that is right there where the belt connects to? I will have it picked up by the Walker dealer next week , but wanted to see if anyone had any ideas.
Thanks
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  #2  
Old 04-17-2005, 05:09 PM
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traman traman is offline
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most hydro pumps have a dump valve on them ,this way if engine dies you can push or tow the machine ,it looks like a nut or bolt and you can unscrew it .my be that side cam loose ,and is bi-passing the pump on that side ,worth a look
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an't that a kick in the head
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  #3  
Old 04-17-2005, 06:09 PM
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ed2hess ed2hess is online now
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Since the fan came off is it possible that the pulley on that pump is loose? On the older Walker the release valve(previous response) is a neat little lever that has a yellow boot on it. This is how you release pressure to push-maybe that is actuated?
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  #4  
Old 04-17-2005, 06:22 PM
tonym tonym is offline
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The release valve is not actuated, it is in the position it should be . The plasitc fan was worn threw were it should connect to the pully area. The pully seems like it has some play, but do not know how much if any play it should have.
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Old 04-17-2005, 07:09 PM
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ed2hess ed2hess is online now
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Should be no play between the pulley and the hydro pump. The pulley is held to the shaft with two set screws.
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  #6  
Old 04-17-2005, 07:13 PM
tonym tonym is offline
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The pully seems to have a slight wobble to it. Can the problem just be in the pully attachment to the shaft? Can a new pully be installed?
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  #7  
Old 04-17-2005, 08:18 PM
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You are going to have to take the battery out and remove the belt to get a better look at things before you will be able to tell much of anything.
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Old 04-17-2005, 08:33 PM
tonym tonym is offline
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I did remove the battery, but I did not remove the belt.
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  #9  
Old 04-20-2005, 02:41 PM
tonym tonym is offline
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Diagnosis from Walker dealer is that it needs a new Hydro pump. They cannot explain why it went bad in less then 150 hours, its not under warranty because it is a 98 model. Anyway I havnt heard the estimate yet. Can anyone tell me the price of a hydro? ANd is there any options here? Are there rebuilt ones etc....
Thank you
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  #10  
Old 04-20-2005, 07:17 PM
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ed2hess ed2hess is online now
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Quote:
Originally Posted by tonym
Diagnosis from Walker dealer is that it needs a new Hydro pump. They cannot explain why it went bad in less then 150 hours, its not under warranty because it is a 98 model. Anyway I havnt heard the estimate yet. Can anyone tell me the price of a hydro? ANd is there any options here? Are there rebuilt ones etc....
Thank you
Yep that is a good question I got a 2000 unit that I just bought and it seems to have a problem on one of the pumps. I would guess they can be rebuilt but ...who can do it. In our city there a guys that deal hydro pumps and motor but don't know if they would be interested.
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