Adjusting 3-point height – Great Plains 3P600 Operator Manual User Manual
Page 23

Great Plains Manufacturing, Inc.
Adjustments
19
2011-10-21
Adjusting 3-Point Height
Raising the gauge wheel spindle allows deeper opener
disc depth (as set by T-handle) while keeping the opener
frame level. Lowering the wheel provides shallower
depth.
Note: Do not lower drill to aid in penetrating hard soil.
Instead, increase opener down-force (page 21).
Refer to Figure 9
1.
Determine new opener depth desired. With new
discs, the axle holes provide these depths:
2.
Raise drill, unless wheel is already off ground
sufficiently to allow wheel spindle relocation.
3.
Relax chain idlers.
4.
Remove wheel bolts. Move spindle to new hole pair.
Re-install wheel bolts.
5.
Re-engage chain idlers.
Figure 9
Height Adjustment
32806
4
1
2
4
6
3
8
7
5
Hole No.
(from top)
Inches
mm
1
3 1/ 4 in.
83 mm
2
2 5/ 8 in.
67 mm
3
2 1/ 8 in.
54 mm
4 (f)
1 5/ 8 in.
41 mm
5
1 1/ 8 in.
29 mm
6
5/ 8 in.
16 mm
7
1/ 8 in.
3 mm
8
0 in.
0 mm
f. Factory setting.
32807H
n. Depth is with new opener disc blades.
Opener Depth (n)