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sugarmaker

TD6 Dozer/Loader

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Folks, 

Have been very busy with the maple syrup season. just boiled the last syrup of the season today.  Our small operation keeps me busy. Had 200 folks come through the sugarhouse this past weekend!

 Regards,

 Chris

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Folks,

So The TD6 may come home in a week or so but the young man borrowing it says it wont pick up any thing now. I assume something is amiss in the hydraulics. A valve or seals or something. This is the ATECO loader with the hydraulic valve body in the back behind the fuel tank. Any ideas where I should start on diagnosing the non lift issue? Matt did adjust the main clutch which he said the machine now acts way better and can actually dig into a pile and spin the tracks. Glad he is youing and spry, because I would not have been able to stand on my head and get down in the cockpit. This has very high sides and no easy access to the clutch area.

I want to move some dirt with it at my daughters but the lifting issue is not going to cut it. I have pictures of the tag/ name on the valve body somewhere. But I am NOT a hydraulic guy at all! Will need your help if I tear into it.

Regards,

 Chris 

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Folks,

Forgot to take pictures, but Matt brought the TD6 out and dropped it at my daughters. I am going to see if it will move some dirt? Not sure what the hydraulis need. But may need your help.

DSC04673.jpg

It is a HYDRECO  control valve. Where should I start to look for issues? Any suggestions would be appreciated!:) I will try and see how it does lifting dirt, and report.

Regards,

 Chris

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Folks,

Some shots of the TD6. 

Owen was at the controls.

 

Ts1V01e.jpg

 

kMR35Z5.jpg

kDtLthI.jpg

We didnt try to move any dirt.

 Regards,

 Chris

 

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Folks,

Any guidance on the lack of good hydraulics and trouble shooting would help. Neighbor mentioned checking hydraulic filter, but I dont see any. Anyone have a clue if there might be a filter in the system somewhere? These were made before we had spin on/off filters I believe. And I dont see one of those, but maybe there is some type of screen filter in the tank or line??

Regards,

 Chris

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Can you check the pressure between the pump and the valve?

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Rawleigh,

 There is no guage in the system. So I would need to plumb one in. 

Regards,

 Chris

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Chris, if it does have a filter it would be on the suction side (to the pump). All the ones I have seen (factory IH) are located in the hydraulic tank. The relief valve in the valve body could also create the problem you are having. After all that checks out it's time to look at your pump. 

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16 hours ago, sugarmaker said:

Rawleigh,

 There is no guage in the system. So I would need to plumb one in. 

Regards,

 Chris

Probably a good place to start looking at things. But from most other hydraulics on old crawlers 1000 to 1200 psi was tops when new. From my experience anything over 700 psi is probably OK. 

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Lou, Ray,

 Thanks for the tips on the old dozer hydraulic system. So if there is a filter in the tank how do you get to it? I am not near the machine right now and dont have the manual here. Not sure this is the std tank? 

I was thinking the pressure would be around the 1000 psi mark.

Its on the list of things to do but down there a little ways right now. My brain is on this old shed we are going to try to throw up this year.

Hope things are good in RED land!

Regards,

 Chris

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Chris, T6International has a contact for ATECO, they may be able to tell you if there is a filter in the hydraulic system. Here are pictures from the IH parts book, IH offered two different hydraulic systems for the later tractors (62 series). These pictures are just for reference to show how the strainers are mounted into the IH system. Your ATECO may or may not have a strainer. The IH system is a stainless metal mesh strainer.

IH Hydraulic tank filter strainer small tank.jpg

IH Hydraulic tank filter strainer.jpg

IH TD6 TD9 Hydraulic filter strainer.jpg

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