Adjusting TOUCHSET Raise and Lower Rates and Raise Limit-John Deere 8000/9000/8020/9020 Series Tractors1. When 9-pin connector (F) is plugged in, letter P will be displayed on touch set monitor for SCV I. IMPORTANT: Adjust drop rate so center frame and wings lower together and machine remains level. If set too fast, center frame sweeps will be in ground before wing sweeps. Set flow control knob (B) to fast (rabbit) position. Set detent knob (C) at 3-6. It can be adjusted faster or slower as needed. Set depth by pushing SCV I lever (A) forward to lower machine to desired working depth, and then push lower set button (D). IMPORTANT: Raise limit can be set anywhere between just out of ground (so sweeps skim surface and remove tire tracks) to full-up position. Keep in mind that the higher the machine raises, the longer it takes to lower to operating depth. Set raise limit somewhere short of full-up position for efficient operation and level return to working depth. To set upper raise limit, pull back on SCV lever I (A) until reaching desired upper raise position. Push upper set button (E).
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2. Check raise/lower functions as follows: a. To raise machine to upper set point, pull SCV I lever (A) back into detent and release. b. To lower machine to lower set point, push SCV I lever (A) forward into detent and release. c. To raise machine to full transport height or to rephase depth control hydraulic cylinders, hold SCV I lever (A) in rearward detent. d. To readjust set points, raise or lower machine by holding lever mid-range between center and detent until machine is at desired position, then press upper (B) or lower (C) set button.
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