Great Plains CTA4000HD Assembly Instructions - Manual (Page 5)

Great Plains Mfg., Inc. Front Parts Installation Instructions 5
2013-10-01 Front Parts 122-280M
Adjust Knock Downs
Adjust Tine Pitch Angle
Refer to Figure 6
17. Adjust the rear elevation of each tine assembly so
that it is as close as possible to level with the opener
frame. This tends to place it close to the opener disc
hub. Avoid contact with the hub assembly.
When both sides are adjusted, tighten nuts to
torque spec.
Adjust Tine/Disc Gap
Refer to Figure 7
18. Adjust the lateral position, and the yaw of each tine
so that the polymer bar almost contacts the opener
disc for the full length of the bar.
The thickness of a business card (0.01 inch or
0.25 mm) is the ideal gap.
Tighten nuts to torque spec.
Rotate the disc a full turn or more to ensure that
contact is avoided.
Adjust Scraper/Disc Gap
Refer to Figure 8
19. Slide the scraper until it almost contacts the opener
disc.
The thickness of a business card (0.01 inch or
0.25 mm) is the ideal gap.
Tighten nut to torque spec.
Rotate the disc a full turn or more to ensure that
contact is avoided.
1
1
Figure 6
Adjust Tine Pitch
31408
1
Figure 7
Adjust Tine/Disc Gap
31408
2
2
Ip so L
o re m
Ip s o L o re m
2
Figure 8
Adjust Scraper
31408
3
Ip so L o re m
Ips
o L o re m
3