John Deere 4300 trouble with Power Beyond?: John Deere Review  -- John Deere Tractors Discussion Forum and Review John Deere 4300 trouble with Power Beyond?: John Deere Review -- John Deere Tractors Discussion Forum

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 06-24-2007, 23:19 Post: 143170
markpee

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 John Deere 4300 trouble with Power Beyond?

So here's my situation. I have a JD4300. Two months ago the dealer took it and mounted my new 447 backhoe on it, along with the required Power Beyond Kit (PBK). Yesterday I removed the backhoe to use mr rear blade for grading. I noticed that when I pull the Rockshaft Control Lever (RCL) all the way back, it sounds like the hydraulic pump hisses, and the tractor bogs down like its under a load. If I push the RCL foward, it seems to relieve the pressure, and operates fine. I don't remember this happening before I had the PBK installed. I'm afraid the pump is going to burn out costing some big bucks! I also had the hydraulics serviced with a new filter when it was there getting the hoe. Help please.

Mark






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 06-25-2007, 05:16 Post: 143175
hardwood

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 John Deere 4300 trouble with Power Beyond?

Mark; DO NOT resart the engine untill you have plugged the power beyond hose you disconnected from the backhoe back into the tractor. Your pump has no bypass with this hose disconnected and you will ruin it The owners manual to the hoe should explain and likely have some pictures to help identify things. Be carefull with any hydraulic lines that may be under pressure, sometimes you have to use a couple wrenches to loosen the coupler from the hose to relieve built up ressure before a coupler will completely plug in. Again please read your owners manual explaining the dangers involved with high pressure fluids being suddenly released. Frank.






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 06-25-2007, 09:31 Post: 143185
markpee

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 John Deere 4300 trouble with Power Beyond?

The hose is looped back into the PBK....so I know its circulating. I can feel fluid moving through the hose.






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 06-25-2007, 09:32 Post: 143187
markpee

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 John Deere 4300 trouble with Power Beyond?

It always was....to clarify. This was not the issue.






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 06-25-2007, 12:16 Post: 143201
hardwood

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 John Deere 4300 trouble with Power Beyond?

Markpee; Sorry I did'nt read your post well enough and immeadiately thought it was a hose connection problem. I've had no experience with things inside the transmission case under the seat. Frank.






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 06-25-2007, 12:52 Post: 143204
Murf

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 John Deere 4300 trouble with Power Beyond?

MArk, it sounds like the lever that acctuates the 3pth lift is out of adjustment, that's all.

If you have not been using the 3pth it is likely this has been the case for some time but you just didn't know it.

There is a relatively simple adjustment on most tractors that involves loosening the two jamb nuts on the shaft that comes out through the side of the rear end and moving the lever a little then re-tightening the nuts.

Of course you can also just not move the lever that last 1/2" that is the problem also. Wink yeah right

Best of luck.






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 06-25-2007, 20:58 Post: 143216
harvey



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 John Deere 4300 trouble with Power Beyond?

It was my understanding that JD adjusts the 3PH level to insure a full lift of the hoe into mounting position. They said the laboring is the way it needs to be. Used to work perfect. Of course after 3 years the hoe needs a final boost from the stabilizer legs and boom to fully mount. Maybe I should take the time to readjust it.

I sometimes still stroke it all the way to the top. The relief valve unloads I slap myself in the forehead and say DUH!






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 06-26-2007, 14:35 Post: 143230
crunch



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 John Deere 4300 trouble with Power Beyond?

Harvey, I have the same problem. The owners manual states that the rockshaft should lift it all the way up so you can pin it into position. I took it back to the dealer and they said no - you have to use the stabilizers to get it to lift all the way. I then called the JD support center to check on the dealer who told me the dealer was correct and that it was a design flaw. You have to use the stabilizers. So I wouldn't go looking for an adjustment.

Markpee - once the backhoe is in position it should be pinned into place correct? So there should be no weight/stress on the hydraulic system once pinned.






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 06-26-2007, 16:41 Post: 143233
hardwood

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 John Deere 4300 trouble with Power Beyond?

Crunch; I've never heard of using the stabilizers to lift to the pin holes. Mine goes right up with the rockshft and the pins slide in easily. It's been of and on a lot of times since it was first on the 4300 then on the 4310. Frank.






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 06-26-2007, 20:01 Post: 143238
crunch



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 John Deere 4300 trouble with Power Beyond?

Frank, that is interesting. When I took it to the dealer saying it didn't lift to the pin holes - they didn't hear me right and tried mounting the backhoe over and over (using the stabilizers). When I came back in they said they couldn't find the problem. I told them it should lift in position with the rockshaft.

They got so angry with me they said they were going to charge me (while under warranty). I told them it stated in the user manual to bring it to the dealer for adjustment if it didn't mount with the rockshaft. So they backed off. Then I contacted the JD tech line and they agreed with the dealer that the stabilizers had to be used.

I spent a lot of time on this. Maybe I have the wrong dealer. I can tell you I would think again before I bought from them. So far my 4310 has not had a failure other than some wires that got caught in the brush. Thank heavens!






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Review Forum

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crunch 4 | earthwrks 1 | hardwood 9 | harvey 2 | james123 6 | kwschumm 2 | markpee 5 | Murf 3 |




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