Great Plains 2020P Operator Manual - Manual (Page 47)

4/23/2010 118-740M
45 Adjustments
Seed-Lok Lock Up
Optional Seed-Lok firming wheels provide addi-
tional seed-to-soil contact. The wheels are spring
loaded and do not require adjusting. In some wet
and sticky conditions the wheels may accumulate
soil.
Refer to Figure 52
To lock up and unlock Seed-Lok wheels.
NOTE: Side gauge wheel and seed meter is re-
moved for clarity.
To lock up Seed-Lok wheels, raise drill. Rotate
lock-up handle (1) 90 degrees down on top of
opener body, see insert in Figure 52. Push up on
Seed-Lok wheel (2) until wheel arm latches up.
Opener disk blades may be sharp. Use caution when
making adjustments in this area.
To unlock Seed-Lok wheels, pull up lock-up han-
dle (1). Seed-lok is spring loaded so it will snap
back into place.
Harrow Adjustment
Harrow Frame Tube
Refer to Figure 53
One harrow setting that has been successful in
no- and minimum-till conditions. Because of dif-
ferent soil moisture, trash levels and trash types,
you may need to reposition the tube frame or
tines.
Figure 52
Seed-Lok Lock Up
18282
Push Seed-Lok
up to lock.
Locked
position.
Unlocked
position.
Figure 53
Spring Tine Angles
11891