Great Plains YP4425A Operator Manual - Manual (Page 154)

150 YP4425A Table of Contents Index Great Plains Manufacturing, Inc.
401-805M Table of Contents Index 2012-02-23
Marker Extension
Prior to first use, set and check where the mark is made
on each side relative to the outside row units (whether in
use or not).
1. Move the planter to a location where both markers
may be safely unfolded. Unfold the planter. Lower
the planter. Unfold one marker.
2. Find the suggested initial marker Extension in the
table below.
Refer to Figure 142 and Figure 143
3.
Measure out the Extension distance from the
center-line of each outside end row unit. Do not
measure to center of row pair.
4. Mark the ground at this point.
5. To adjust marker width, loosen nuts on U-bolts .
Move marker disc tube in or out to get the proper
adjustment. Tighten nuts .
6. Repeat step 3 through step 5 for the other side.
7. With the planter still lowered, drive forward a few feet
for each side.
8. Check mark locations. Adjust to obtain table value.
Figure 142
Marker Extension
29301
E
E
YP4425A-2422
Left Extension 275 inches (699 cm)
Right Extension 275 inches (699 cm)
1
2
3
Figure 143
Marker Extension Adjustment
26055
E
1 2
3
1