Great Plains 1520P Operator Manual - Manual (Page 47)

5/6/2010 118-732M
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 54
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. 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 55
This is one harrow setting that has been success-
ful in no- and minimum-till conditions. Because of
different soil moisture, trash levels and trash
types, you may need to reposition the tube frame
or tines.
Figure 54
Seed-Lok Lock Up
18282
Push Seed-Lok
up to lock.
Locked
position.
Unlocked
position.
Figure 55
Spring Tine Angles
11891