Great Plains 2510HDF Operator Manual - Manual (Page 20)

16 1510HDF/2010HDF/2510HDF Table of Contents Index Great Plains Manufacturing, Inc.
288-340M Table of Contents Index 2013-11-11
Leveling: Single-Wheel
Refer to Figure 7
1.
If operations are being changed between non-bed-
ded and bedded planting, set the spring block
position before checking opener height.
2. Check the link length. The factory setting for link
length
, measured at centerlines, is:
3. Lower the drill in representative field conditions and
set the 3-point hitch circuit to Float.
Refer to Figure 8
Note: This presumes a planting depth of 1.75in (44mm).
If your depth is different, re-adjust the tool bar
height when adjusting the press-wheel (page 48).
4. Initially adjust drill distance between bottom of
opener tool bar and planting ground:
Refer to Figure 7
5.
To adjust link length, loosen jam nut . Turn spring
linkage to shorten or lengthen as necessary.
When adjusting the linkage length, remember:
+ Lengthening linkage raises drill.
- Shortening linkage lowers drill.
Re-tighten jam nut when height is final.
Refer to Figure 9
6.
Level drill with top of three-point link. Adjust so that
row units are inclined slightly uphill, measured
at
the ends of the parallel arms:
The 1in/2.5cm dimension shown is a general dimension
that varies with planting conditions.
Ensure the opener mount is running higher than the opener
body. This ensures ample reserve for opener upfloat if the
opener strikes a rock or other object.
Lower hole Bedded planting
Upper hole Non-Bedded planting
Link Length 6 1 ⁄
2
in (16.5cm)
Tool bar height 26in (66cm)
Arm inclination 1in (2.5cm) maximum
Figure 7
Single Wheel Link
26216
26217
5
1
2
3
6
4
1
6
5
1
2
3
4
4
Figure 8
Single-Wheel Height
24046
7
7
5
6
Figure 9
Single-Wheel Opener Level
24047
8
8
8