GREAT PLAINS 3N-3010, Operator'S Manual, Page: 52 / 118

48Great Plains | | 4/22/19 Table of Contents Index Great Plains | 48
196-366m Table of Contents Index Adjustments
Harrow Adjustment
Harrow Frame Tube
Refer to Figure 36
The harrow setting shown has been successful 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.
Refer to Figure 37
To adjust the frame tube. Loosen four hex nuts (1) on the
u-bolts (2) and rotate the frame tube (3).
To adjust the tines, loosen four 1/2-inch hex nuts (4) on
the 1/2-inch u-bolts (5) on the support bar (6). Rotate tine
tubes (7) so the tines (8) are against the stop bushings
(9), and are at the desired angle. Retighten hex nuts on
u-bolts.
Harrow Height
Refer to Figure 38
To set harrow height adjust chain (10) by removing 3/8-
inch bolt (11), and positioning chain as necessary.
Reinstall bolt.
Figure 36
Harrow Setting
19101
18305
Figure 37
Frame Tube Adjustment
19101
18305
Figure 38
Height Adjustment