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davis loader


 
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it me again
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PostPosted: Thu Dec 06, 2012 4:05 am    Post subject: davis loader Reply to specific post Reply with quote

just got done 1948 ford with a davis loader ..

rebuild my Davis loader got the rattle gone which was cause by a water clamp.. that noises is gone . but the question is . when pull controls back it take a few moment to get started to lift the loader is this normal to build press 2000 pound of pressure..
 
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TheOldHokie
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Joined: 08 Apr 2005
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Location: Myersville, MD

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PostPosted: Thu Dec 06, 2012 4:42 am    Post subject: Re: davis loader Reply to specific post Reply with quote

it me again wrote:
(quoted from post at 08:05:43 12/06/12) just got done 1948 ford with a davis loader ..

rebuild my Davis loader got the rattle gone which was cause by a water clamp.. that noises is gone . but the question is . when pull controls back it take a few moment to get started to lift the loader is this normal to build press 2000 pound of pressure..


You don''t need anything close to 2000 PSI to raise an empty loader. Your slow response indicates a restricted flow problem, an internal leak, or air trapped in the lines or cylinders.

TOH
 
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old
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PostPosted: Thu Dec 06, 2012 7:34 am    Post subject: Re: davis loader Reply to specific post Reply with quote

I will add one more thing to what the hokie said are you sure you have the correct fluid in the system?? If you have a thick hyd oil then yep it will be slow till it warms up
 
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Caryc
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PostPosted: Thu Dec 06, 2012 8:55 am    Post subject: Re: davis loader Reply to specific post Reply with quote


What TOH said sounds about right. My Davis loader has a filter above the front mount pump. Have you checked your filter?
 
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it me again
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PostPosted: Thu Dec 06, 2012 2:51 pm    Post subject: Re: davis loader Reply to specific post Reply with quote

my filter in the hyd oil tank.. we just clean filter out with starting fluid , clean the tank out got dirt crap out of it.. before put new oil in it..
 
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TheOldHokie
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PostPosted: Thu Dec 06, 2012 5:02 pm    Post subject: Re: davis loader Reply to specific post Reply with quote

it me again wrote:
(quoted from post at 18:51:24 12/06/12) my filter in the hyd oil tank.. we just clean filter out with starting fluid , clean the tank out got dirt crap out of it.. before put new oil in it..


Time to start isolating and testing components. Start by doing a pressure test to make sure the pump is producing pressure. Make sure the loader bucket is heavily loaded or chained down when you run the test.

If the pump is making pressure disconnect the hose going to the lift cylinders and insert it into the filler on the loader reservoir. Start the tractor and operate the loader valve to "raise" the loader. Do you get an immediate garden hose type flow into the reservoir?

If you do the problem is in the cylinders.

If not the problem is insufficient flow upstream from the cylinder - e.g. pump or control valve. Repeat the test with the supply hose to the valve to see if it's the valve or the pump. If the flow to the valve is good then it's a pump problem - worn out pump or restricted supply from the reservoir.

TOH
 
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