2S-2600/F/HD/HDF
Adjustments
Great Plains
| 195-440M | 2019-05-03
55
To change the bolts (to high pressure):
1. Have a jack at hand.
2. Loosen the nuts on all the top bolts .
3. Lower the opener sub-frames.
4. Put the tractor hydraulic circuit for the openers in
float.
5. Place jack under an opener toolbar at an arm.
6. Lift the toolbar until the bolt is free.
7. Remove the bolt.
8. Repeat step 5 through step 7 the other arm of the
subframe.
9. Raise the jack until the top holes are aligned.
10. Insert the bolt in the top hole and spin on a nut.
11. Repeat step 5 through step 10 for each sub-frame.
12. Tighten all nuts.
13. Changing from high to low is similar, except lower
the jack at step 6 and reverse the bolt movement.
Hydraulic Down-Force
Pounds of Force at Opener Disks
Gauge
Setting
6 inch
rows
7
1
/
2
inch
rows
10 inch
rows
200 PSI
83
86
92
300 PSI
90
95
102
400 PSI
97
103
113
500 PSI
103
111
124
600 PSI
110
119
135
700 PSI
117
128
146
800 PSI
123
136
157
900 PSI
130
144
167
1000 PSI
137
152
178
1100 PSI
143
161
189
1200 PSI
150
169
200
1300 PSI
157
177
211
1400 PSI
163
185
222
1500 PSI
170
194
233
1600 PSI
176
202
244
1700 PSI
183
210
254
1800 PSI
190
218
264