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Faulty hydraulics on 2130 john deere


 
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Murray Edgar
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PostPosted: Sat Dec 25, 2010 6:47 am    Post subject: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

Front end loader will not lift evenly. Oil is topped up
 
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buickanddeere
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PostPosted: Sat Dec 25, 2010 7:27 am    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

Tilting or sagging on one side? Or is the loader shuddering, vibrating and making noises?
You will have to tell us more info.
Have you been performing regular scheduled service according to the operator's manual?
Did the problem always exist, slowly appear or suddenly occur?
Type of loader, loader control valve(s) and how is the loader plumbed into the tractor?
In Canada or have a tractor jockey special in the US?
 
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Murray Edgar
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PostPosted: Sat Dec 25, 2010 9:03 am    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

loader is lifting even.It has jerking action and than seems to take a hold.With the snow blower raised to maximum height the loader will not lift.It is a John Deere loader installed by John Deere.This problem has been getting worse.(Canada)If the filter on bottom of transmission was changed would this help? I think the pump needs to be rebuilt?
 
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MSM
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PostPosted: Sat Dec 25, 2010 10:09 am    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

Maybe try to lower the snowblower a little. Sounds like the rockshaft has an internal leak at full lift which is bleeding off charge pressure to the front pump.
 
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buickanddeere
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PostPosted: Sat Dec 25, 2010 11:14 am    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

I'm wondering if You know a Ross and Bill Taylor? Or any of the Howatts around Blyth?
The pumps themselves are reliable.Everybody runs out and rebuilds them before ensuring they have a supply of oil. Or if the oil they are pumping isn't leaking internally.
I've seen lots of loaders installed by the dealer that were not properly connected. If the loader is supplied from the scv remote, there is one source of trouble. On your Mannheim Deere the loader oil supply must be tapped into the high pressure line down by the brake cylinder. Return oil from the loader goes to a ported trans filter.
I assume the operator's manual has disappeared?1-800-522-7448 for a new manual. It shows where the trans pre-screen and mail filter are located and when to service. There maybe also be a wee screen in the front pump inlet.
The recent cold weather, has it made the vibrating worse?
The three point hitch position is a vital clue. A seal maybe blown internally and leaking high pressure oil. Have a look in through the trans oil fill with a strong light will the three point is in various positions. You should not see a spray or stream of oil from the rockshaft internals.
What kind of oil have you been pouring into the transmission?
 
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Murray Edgar
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PostPosted: Sat Dec 25, 2010 11:47 am    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

Even in the summer time when the 3point hitch is generally lowered and or not in use, the loader raising and lowering is not a smooth operation. Tipping and raising the bucket itself is affected aswell. We use trans hydraulic oil. Does it make a difference if we are using not JD oil? Have not tried looking in the hydraulic fill hole yet, but will, thanks.
 
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Murray Edgar
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PostPosted: Sat Dec 25, 2010 11:57 am    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

Even when the 3point hitch is not in use and in the lowered position, the loader arms and bucket do not operate smoothly. We use trans hydraulic oil but not a JD product. Does this make a difference? Have not had a look with light yet, but will. We are always checking fluid levels and keep trans Hyd. topped up. Loader is a 145 and dealer installed. Loader worked fine for years, is a recent problem. trying to cover bases before resorting to a pump rebuild.
 
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buickanddeere
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PostPosted: Sat Dec 25, 2010 5:01 pm    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

If you want you can search "rebuilt pump" on this site. You will find dozens of tractor owners who have replaced one or both pumps and the hydraulics still don't work.
If the operator hasn't kept the oil and filters clean. The low pressure trans pump relief and divert valves will chatter which shakes the transmission lines. These lines will split,crack or pop loose. Or the valves will stick from dirt or even from a lost filter "O"ring.
Is the pto operated from a 2-stage clutch or hydraulically engaged? A leak can occur in the pto clutch or the pto brake.
Is there a hydraulic rabbit-turtle transmission shift on the tractor?
The front pump will have problems if there is a high pressure side leak in the power steering, rockshaft or the loader control valves. It sounds like the rockshaft maybe the culprit?
I'm wonder when you keep answering "the dealer connected the loader"? Connected where? Into the hydraulic scv's at the back of the tractor? Or direct from the high pressure line and returns to a port in the transmission filter cover?
It makes a DIFFERENCE.
Using oil other than JD Hy-Gard will cause problems, from mild to severe.Ranging from chattering/jumpy brakes. Up to chemically breaking down the wet clutches and brake friction material.
 
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Tx Jim
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PostPosted: Sun Dec 26, 2010 4:03 am    Post subject: Re: Faulty hydraulics on 2130 john deere Reply to specific post Reply with quote

Murray Edgar wrote:
(quoted from post at 15:57:20 12/25/10) Loader is a 145 and dealer installed.


If loader has an independent hyd valve it's possible to have the convertible type(open to closed center) that an internal quad ring can leak letting valve revert back to open-center. I'd disconnect return line,run engine with both valve levers in neutral and see if oil flows out return line. Oil isn't suppose to flow with levers in neutral.

Also after changing hyd filter and checking screen I'd suggest checking stand-by pressure and set to 2350 psi.

As it's already been stated look inside oil filler hole for spraying oil with 3pt raised and engine running.
 
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