JD 6110 issues! - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 8 (permalink) Old 03-07-2008, 01:07 AM Thread Starter
 
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Red face JD 6110 issues!

My 6110 has two main issues that I would like to resolve, so please give me some ideas.

First off, it idles rough all the time, but seems to clear up as soon as I touch the brakes, then it idles rough again a few seconds after I release the pedal. Also there is a hiss coming from the rear of the tractor that accompanies the ragged idle, and stops with the brake depression.

Secondly my front end loader has a problem. When switching between the bucket and spear, the hydraulic arms do not sync up. That is, there is a lag between the two, and they don't go up or down together, one is a little behind the other, making hooking on a real pain. But, when the spear or bucket is on, the loader acts fine. Also it has a self leveling mechanism installed.

Any ideas?
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post #2 of 8 (permalink) Old 03-08-2008, 04:27 PM
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Welcome to the TDG.

Does the engine run fine above idle, or does it still run rough? Does the engine seem to feel like it has a load on it til you hit the brakes? If it does seem like it has a load on it, I wonder if your hyd. pump has a stroke control valve that might be sticking.

On the loader, does it have the mechanical self leveling setup or does it do it with the hydraulics? Any physical connection between the 2 bucket cylinders, outside of the bucket or spear?

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post #3 of 8 (permalink) Old 03-08-2008, 09:42 PM
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post #4 of 8 (permalink) Old 03-08-2008, 09:43 PM
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Welcome to TDG

My guess would be the hydraulic pump as well. On the loader Im not sure.

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post #5 of 8 (permalink) Old 03-12-2008, 09:03 PM
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Quote:
Originally Posted by oxblood

Secondly my front end loader has a problem. When switching between the bucket and spear, the hydraulic arms do not sync up. That is, there is a lag between the two, and they don't go up or down together, one is a little behind the other, making hooking on a real pain. But, when the spear or bucket is on, the loader acts fine. Also it has a self leveling mechanism installed.
the arms yours talking about are the loader 'curl' cylinders correct??...they have nothing mechanical that connect them so thats why they curl or move at different speeds...depends on which cylinder has longer hoses or tighter seals...I will agree...does make it difficult but nothing you can do but practice...:

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post #6 of 8 (permalink) Old 03-12-2008, 10:07 PM
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I think bmoeller is right. That tractor has a axial pistion pump so the swash plate might not be destroking all the way and it is trying to deadhead. The sound you hear could be the extra oil flow going over relief.

Does the hissing stop when you move the hitch or trun the steering wheel?
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post #7 of 8 (permalink) Old 03-14-2008, 02:25 AM
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I am guessing that the "bucket curl" cylinders are what are being refered to also. I assume you have the 640 loader, and if it is similar to the 740 loader, it should have a shaft that connects between the quick connect couplers with 3/8" pins. Occasionally my 740 will sheer one of these pins and give me a hard time hooking up as you are talking about.

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post #8 of 8 (permalink) Old 03-18-2008, 03:25 AM
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My grandfather has the same problem with his tractor. A way to fix it is connect the two cylinders on the end of the loder with a bar. Weld it to the quick attach cuplers. We used round pipe. Then you can weld a recever hitchs on it, carful that it clears the bucket. We have a strait bar for implimints, 2 5/16 ball for goose neck trailers, and a 2 inch for bumper pull trailers. It is the fastest way to move things around in the yard. Very Useful! Worth the time to make!
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