3PH Shudder with Draft Control

[ritcheyvs]

My DK45S has position and draft controls for the three-point. Before today, I've only used the position control and it was very stable. Today I used the draft control with a box scraper and the 3PH tends to shudder and oscillate when I raise the blade with the draft control. I also notice shudder while scraping with a load when the draft control tries to raise the blade. This is a minor problem that can wait until I'm doing maintenance but I thought I'd research it now.

Do I need to adjust the sensitivity?

Thanks.

 

[MtnViewRanch]

Scott, I think that you are not really suppose to raise the blade using the draft control. Double check your owners manual as far as set up. Get it set properly and use it properly and all of these problems should go away. If it is shuddering while under a load, you may need to go to a stiffer draft setting. Next top link pin location. Be sure to double check your top link clearances.

 

[ksbrdmkr]

The top link needs to be in one of the bottom two holes for draft control, then use the draft control for draft/position at the working level and not for lifting.

 

[MtnViewRanch]

The top link needs to be in one of the bottom two holes for draft control, then use the draft control for draft/position at the working level and not for lifting.

How is it that only 2 of the 3 holes have anything to do with the draft control? Why not all 3?

 

[jeff9366]

Scott, you are NOT supposed to raise the blade using the draft control. Double check your owners manual as far as set up.

MtnViewRanch provides the right answer, as always.

 

[ksbrdmkr]

The top link attachment is mounted on a pivot and the bottom two holes work against a spring? and the top hole is directly in line with the pivot so the draft is not transferred to any linkage. In the DK45 book on Chap 5 , Pg 25. is the Kioti explaination.

 

[MtnViewRanch]

The top link attachment is mounted on a pivot and the bottom two holes work against a spring? and the top hole is directly in line with the pivot so the draft is not transferred to any linkage. In the DK45 book on Chap 5 , Pg 25. is the Kioti explaination.

Ok, just asking, I am not a Kioti owner, don't have the owners manual.

It is not that way on my Mahindra 7520. When attached to the pin location closest to the pivot point, that is where the draft sensitivity is at it's least sensitive location and is where it is recommended to have the top Link located when doing severe ground engagement such as using a turn plow implement.

My thinking is-was that the same would hold true for the Kioti system also, but I guess not. I have never paid enough attention to the Kioti draft system to know any differently. I figured that it would pivot at one end and no matter what pin location is used, the draft control could be used if the conditions were right. You could make use of any of the pin locations to match the draft requirements of the task at hand. But it sounds like there are only 2 different draft positions and the 3rd has not draft control purpose.

I will take a look the next time I am around a DK series machine so that I might understand better how they have their top link bracket setup.

Thanks for all the info.

 

[ritcheyvs]

What ksbrdmkr said.

Also, I moved the pin to the middle hole (lower sensitivity) and all was good (no more shudder).

 

[ritcheyvs]

...
Be sure to double check your top link clearances.

Most excellent advice which I overlooked to my peril and chagrin.

 

[k0ua]

How is it that only 2 of the 3 holes have anything to do with the draft control? Why not all 3?

The top hole is solid, not connected to the draft sensor on his machine (and mine for that matter)


Looks like someone else already explained it.