Great Plains 1205NT Operator Manual - Manual (Page 45)

3/28/12 150-131M
43 Adjustments
Spring Tine Harrow
Harrow Tine Angle
Figure 7 shows a successful harrow position for
no-till and minimum-till conditions. Because of dif-
ferent soil moisture, trash levels and trash types,
you may need to reposition the tube frame or
tines. Initially position the frame and tines as
shown, then readjust as necessary.
Harrow Frame and Tine Adjustment
Refer to Figure 8.
To adjust harrow frame loosen the four hex nuts
(1) on the u-bolts and rotate frame tube (2) as
necessary.
To adjust 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 tines (7) are against
stop bushings (8) and are angled back as neces-
sary. Retighten hex nuts on u-bolts.
Harrow Chain
In clean, tilled, extremely loose soils, harrow chain
may need to be shortened to lift harrow off the
ground.
Figure 7
Tine Angle
12437
Direction of Travel
Figure 8
Frame and Tine Adjustment
13935