1494 3-point problem


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1494 3-point problem

Ian The top link sensing on my 1494 Case isn't working properly. I have adjusted the sensing cable as per the shop manual. However, with the selector dial set for "draft" control, the system just won't keep my plow at a uniform depth.

Here's what happens:
1. From its rearmost (i.e. raised) position, I move the control lever forward about half an inch.
The plow comes crashing down to the ground. As I move ahead, the plow just skims the surface of the ground.
2. I move the control lever forward a litle bit more--but just a few millimeters. Now, the plow is 10 inches deep! Top link sensing just doesn't seem to be active when the plow is in the ground.

The 3-point system works fine in "position" control,but you can't really plow properly in this setting.

Where is my problem? Is it in the spring-loaded top link, or somewhere else?

I've never had these kinds of problems operating a 3-point-hitch plow with any other tractor.

Thanks for any input.



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