Great Plains CTA4000 HD Operator Manual - Manual (Page 54)

50 CTA4000HD Great Plains Manufacturing, Inc.
160-037M 2012-11-28
Seed-Lok
®
Seed Firmer Lock-Up
Optional Seed-Lok
®
firming wheels provide additional
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. To avoid
problems associated with this, you can lock-up the
firmers.
Refer to Figure 68
To lock up Seed-Lock wheels:
1. Pull up on Seed-Lok
®
arm .
2. Raise lever .
Opener Depth (Press Wheel Height)
Refer to Figure 69
Set opener seeding depth
by adjusting press-wheel
height . T handles adjust at
1 ⁄
4
inch (6.4 mm) seeding
depth change per minimum handle step. The range is
approximately 0 to 3
1 ⁄
2
inch (0-8.9 cm) seeding depth.
To adjust, first raise openers slightly, then lift and slide
T handles
on top of openers Adjust all press wheels to
the same height.
• For more shallow seeding, slide T handles forward
toward implement.
• For deeper seeding, slide T handles backward
away from implement.
If press wheels are lifting off ground, increase hydraulic
down pressure.
If press wheels are digging into ground, reduce hydraulic
down pressure.
Figure 68
Seed-Lok
®
Lock-Up
24453
2
1
1
2
Figure 69
Adjusting 00HD Opener Depth
26441
1
2
B
F
1
2
2
F
B