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3 Point hitch lift system

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Chuck
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Posts: 1
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2001-06-14          29260


I finally have my tractor running and operating, except the lift. It is now wired up on a 3 way switch (Not Stock) works but have no control on where it stops up or down except for releasing the switch. This gets pretty frustrating when operating a box blade or a cultivator which requires precesion depths. Right now I have a lift lever and a linkage rod (about 6") on the right side of my seat and the rest of the lift mechanisim has been removed and replaced with that little 3 way switch. Can anyone tell me what is missing and where I might order the real part.Thanks Chuck



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3 Point hitch lift system

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TomG
Join Date: Feb 2002
Posts: 5406 Upper Ottawa Valley
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2001-06-15          29303


Chuck: I wonder what kind of tractor it is. What you describe doesn't sound like a hydraulic 3ph type lift. ....


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3 Point hitch lift system

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Chuck
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2001-06-15          29308


Tom,
You talked to me about it before. It's a Shibaura SD-1643 (About the same as a Ford 1500) it is a hydraulic lift but it is controlled by electric switch, I just don't know what is missing to make it stock. It works fine except for me not being able to control the position I want it to stop at. Need someone with a parts manual or something. ....


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3 Point hitch lift system

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Murf
Join Date: Dec 1999
Posts: 7249 Toronto Area, Ontario, Canada
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2001-06-15          29313


Chuck, I have seen this as a "factory" set-up (the electric control of the hydraulics that is) on many Asian tractors. It seems that this is their idea of a convenient control system since these machines are used for nothing but field work, in which case the 3 pth needs only be either full up for travel, etc., or full down for operation. The switches I have seen were usually mounted on or very near the steering wheel, the ones I've seen with a 3 way switch usually were setup as up, draft control engaged, and down respectively. The electronics merely run a solenoid instead of the "manual" version were used to seeing. In which case all you need to do is buy a cable-controlled 2 way valve body (SCV) and replace the solenoid with it, mounting the controls anywhere convenient. Best of luck. ....


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3 Point hitch lift system

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TomG
Join Date: Feb 2002
Posts: 5406 Upper Ottawa Valley
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2001-06-16          29328


Chuck: I remember now, but don't recall the switch. Fortunately there are folks here like Murf and others who have seen a bunch of different tractors. I don't know from what Murf said if a safe conclusion is that you have draft control but not position control. My 1710 has position control without the draft control option. My understanding of typical operation with draft control is that the position control is set to a desired depth and then the draft control lever is set to adjust between heavy and light draft. With a light draft adjustment, a relatively small pressure on the top-link causes the 3ph to go into lift mode. Lift reduces the top-link pressure and the implement returns to the position set. If you have draft control, there may be an adjustment somewhere. If you don't have position control, operation may be less convenient, but you probably can adapt to the hitch. I believe there are other hitch systems where the control lever is centred. Up raises and down lowers, and the speed of operation depends on how far the control lever is pulled. I think the 3ph floats up like any other 3ph. I believe people get along with this type system pretty well. The system may 'feather' better than a position control system. I'd probably get along OK with such a system, because I seldom am very precise with the depth or need to retain a particular depth. The main advantage of position control is that a stop can be set on the control lever. With the stop set, the 3ph can be raised to tinker with the implement, drive somewhere else etc., and then moving the lever back to the stop returns the implement to the original depth. ....


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