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Spraying with my 1070

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Don G

12-16-2002 18:07:23




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I plan on spraying with my 1070. The sprayer I bought has a PTO driven centrifugal pump that needs a lot of parts to make it work. How will the 1070 work with a hydraulic driven pump? If you change engine speed will that change the sprayers pressure? ( it doesn't on the 4020 with a hydraulic driven pump ) HyPro's literature said that the hydraulic driven spray pumps could be affected on some tractors by turning the steering wheel. I hope that isn't Case. What does everyone think? Thanks so much. Don G

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scottAR

12-17-2002 19:16:10




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 Re: Spraying with my 1070 in reply to Don G, 12-16-2002 18:07:23  
The spray calibration will be more accurate with the open center system than with a close center system of the 4020 as long as you do not change speeds 30% up or down from where it is calibrated. With a closed center system when you slow down, the sprayer will keep spraying as if you were traveling fast. I'm talking about a set up without radar.



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Shane

12-16-2002 20:18:49




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 Re: Spraying with my 1070 in reply to Don G, 12-16-2002 18:07:23  
We use a 1070 or a 1270 to pull a 60ft sprayer and it uses a hydraulic pump. As far as I know the engine speed only makes a little difference on pressure but the controler makes up the diff. automatically. The steering only would effect it is you turned all the way and kept trying to turn more, the tractor then drops a few r.p.m.'s which is going back to engine speeds and only makes a slight difference. Hope this helps. Shane

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mike

12-16-2002 20:00:40




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 Re: Spraying with my 1070 in reply to Don G, 12-16-2002 18:07:23  
we spray with a 1370 and a hydrolic driven pump, the engine speed will effect pump speed. turning the steering wheel won't effect it though, it works great, we don't even use a monitoring system just two valves, one for on and off, and the other as a bypass to set pressure



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sheiserman

12-16-2002 19:36:38




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 Re: Spraying with my 1070 in reply to Don G, 12-16-2002 18:07:23  
father-in-law sprayed several years with PTO pump on 1070. No problems. Flat fields, straight rows so I don't know about steering affecting it. Engine speed also pretty constant in these fields. He had monitor that compensated for ground speed changes.



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