Great Plains 2525F Operator Manual - Manual (Page 19)

Preparation and Setup 15
01/23/2012 118-232M
Frame Height
Drill operating height affects the working range of the drill
openers. Initially adjust frame height as explained under
“Leveling the Drill” on page 14. You can make further
adjustments to compensate for field conditions.
Note: If your drill has 25 Series openers, the gauge wheel
height may need adjustment. Gauge wheels are
set for 20 Series at the factory, and your dealer may
not have re-adjusted them.
Link-Adjust Gauge Wheels
Refer to Figure 10
Make sure block mount of the spring linkage is in the
correct mount hole , for bedded/non-bedded.
Set spring linkage length. Dimensions are provided for
both centerline-to-centerline distance
and length of
reveal on the threaded rod:
Loosen top nut . Turn spring linkage to shorten or
lengthen. Retighten by turning spring linkage into top
nut . Single-link is right-hand threaded.
Turnbuckle-Adjust Gauge Wheels
Refer to Figure 11
1. Loosen jam nut near top clevis of each gauge-
wheel turnbuckle. Jam nut is left-hand threaded.
2. Make sure upper clevis is in correct mount hole for
row unit Series, and bedded/non-bedded.
3. Adjust turnbuckle length per the following table:
4. After setting both gauge wheel assemblies to the
same configuration, tighten jam nuts
.
When adjusting the linkage length, remember:
• Lengthening linkage/turnbuckle raises drill.
• Shortening linkage/turnbuckle lowers drill.
• Level drill with top three-point link.
Note: Reducing opener height increases the risk of
opener damage on rocks or obstructions.
20 Series 25 Series
non-
bedded
top hole ;
6 1 ⁄
8
in (15.6cm),
reveal: 3 ⁄
4
in (19mm)
top hole ;
c/l: 6 1 ⁄
2
in (16.5cm),
reveal: 3 ⁄
8
in (9.5mm
bedded
bottom hole ;
6 1 ⁄
8
in (15.6cm),
reveal: 3 ⁄
4
in (19mm)
bottom hole ;
c/l: 6 1 ⁄
2
in (16.5cm),
reveal: 3 ⁄
8
in (9.5mm
20 Series 25 Series
non-
bedded
top hole ;
17 1 ⁄
2
in (44.5cm)
second hole ;
17 1 ⁄
2
in (44.5cm)
bedded
second hole ;
20 3 ⁄
4
in (52.7cm)
second hole ;
21 1 ⁄
2
in (54.6cm)
FigureSpacer
Figure 10
Link-Adjust
Gauge Wheel
26216
26217
5
1
2
3
6
4
1
6
5 6
3 3
2 2
FigureSpacer
Figure 11
Turnbuckle-Adjust
Gauge Wheel
22845
1
2
4
5
3
1
2 3
4
6
5 6
6
5
2 3
3 3
1
2
4
1