Great Plains 2510HDF Operator Manual - Manual (Page 22)

18 1510HDF/2010HDF/2510HDF Table of Contents Index Great Plains Manufacturing, Inc.
288-340M Table of Contents Index 2013-11-11
Leveling: Dual-Wheel
Refer to Figure 13
1.
If operations are being changed between non-bed-
ded and bedded planting, set the spring turnbuckle
clevis position before checking length and 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 14
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 13
5.
To adjust turnbuckle length, loosen jam nut . Turn
turnbuckle to shorten or lengthen as necessary.
When adjusting the turnbuckle length, remember:
+ Lengthening turnbuckle raises drill.
- Shortening turnbuckle lowers drill.
Re-tighten jam nut when height is final.
6. Level drill with top three-point link.
Refer to Figure 15
7.
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
Non-Bedded Bedded
17 1 ⁄
2
in (44.5cm) 20 3 ⁄
4
in (52.7cm)
Tool bar height 26in (66cm)
Arm inclination 1in (2.5cm) maximum
Figure 13
Dual-Wheel Turnbuckle
22845
3
1
2
5
6
1
2
3
3
Figure 14
Dual-Wheel Height
24050
4 4
5
6
Figure 15
Dual-Wheel Opener Level
24047
7
7
7