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jerky loader

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Author  [Modern View]

12-30-2018 11:13:56

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I just purchased a jubilee that came with a loader it was all in pieces. I was able to put it all back together but now when I operate the loader it is jerky. at first I thought it had the wrong hyd fluid so I drained it and added ford f/a fluid. btw it is a davis skyline loader. I also cleaned the screen for the pickup it was plugged up. im hoping the pump is still good any suggestions. oh btw I have tried to dead head the pump several times thinking this would help to bleed the system of air.

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12-31-2018 12:29:37

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 Re: jerky loader in reply to crobins1, 12-30-2018 11:13:56  

here is what my pump looks like as you can see it has a 3 hole gland that mounts it. anyone know what kind of pump this is

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Jim Buford

12-31-2018 11:02:37

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 Re: jerky loader in reply to crobins1, 12-30-2018 11:13:56  
I live in the South and resent that everything that is going bad is referred to as going South. Just kidding. I understand why the term is used and everyone understands what it means.

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David Snipes

01-10-2019 17:15:45

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 Re: jerky loader in reply to Jim Buford, 12-31-2018 11:02:37  
Maybe in the southern hemisphere they say "It went north".

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Jim Buford

01-10-2019 19:11:55

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 Re: jerky loader in reply to David Snipes, 01-10-2019 17:15:45  
We usually say it went down the toilet-maybe to Australia or New Zealand. During the Civil War going South is what Gen'l Sherman did.

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Michaels Dad

12-30-2018 14:40:57

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 Re: jerky loader in reply to crobins1, 12-30-2018 11:13:56  
Quoting Removed, click Modern View to see

Depending on what type pump, it could make a difference on suction / discharge.

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12-30-2018 14:21:29

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 Re: jerky loader in reply to crobins1, 12-30-2018 11:13:56  
im not sure how the pump went does it matter if it could be upside down? the inlet and outlet is correct I wouldn't think it would matter on a hydraulic system

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12-30-2018 17:58:48

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 Re: jerky loader in reply to crobins1, 12-30-2018 14:21:29  
Usually the inlet or suction side is larger opening than the pressure side. Yes it makes a difference to the sealing of the pump internals. Sounds like you are sucking air somewhere. Is hydraulic fluid foaming? If so. Indicates sucking air.

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David G

12-30-2018 13:46:43

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 Re: jerky loader in reply to crobins1, 12-30-2018 11:13:56  
My guess would also be air.

Dead heading will not help bleeding, keep cycling it.

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Larry NCKS

12-30-2018 11:58:00

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 Re: jerky loader in reply to crobins1, 12-30-2018 11:13:56  
Unless your pump is starving or going south, I'm going to guess you still have trapped air in the system.

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