Great Plains NTA3510 Assembly Instructions - Manual (Page 3)

3 4/8/04 No-Till Air Drill Implement Harrow Option 116-188M
Great Plains Mfg., Inc.
Setup
Setup
Figure 3 shows a successful harrow position for no-till conditions.
Because of different soil moisture, trash levels and trash types,
you may need to reposition the tube frame or tines. Initially posi-
tion the frame and tines as shown.
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Figure 3
Tine Angle For No-Till Drilling
To adjust the frame, refer to Figure 4. Loosen the four hex nuts
(1) on the u-bolts and rotate the frame tube (2) as necessary.
To adjust the tines, loosen the four 1/2-inch hex nuts (3) on the 1/
2-inch u-bolts (4) on the support bar (5). Rotate tine tubes (6) so
the tines (7) are against the stop bushings (8) and are angled
back as necessary. Retighten hex nuts on u-bolts.
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Figure 4
Harrow Adjustment