Great Plains NTA3007HD Operator Manual - Manual (Page 132)

128 NTA907HD or NTA3007HD
166-207M 04/04/2011
Leveling Drill
Wing alignment and sub-frame heights are adjustable.
Frame heights are not adjustable. Center height is fixed
by the front transport wheels. Wing height is fixed by the
center section height and the wing gauge wheels.
Section Alignment
1. Move the drill to representative field conditions.
Unfold and lower.
2. Set hitch height as described at “Heights and Level-
ing” on page 22.
3. Pull forward with rows in ground. Stop. Leave rows in
ground.
Refer to Figure 145
4.
Sight along the rear face of the rear opener tool bar.
Measure the wing end position (dimension
) rela-
tive to the center section (dimension ).
5. If the wings are even with the center, or less than
25mm (1in) ahead, no adjustment is necessary.
Refer to Figure 143
6.
Loosen wing fold stop bolt jam nuts , and fully seat
stop bolts .
Refer to Figure 144
7.
To adjust a wing lead, loosen the jam nut at the
pull bar for that side, and rotate the turnbuckle nut
to move the wing forward or back.
The effect of the turnbuckle is to move the wing tip by
about 6mm (
1 ⁄
4
in) per full turn.
8. Back out stop bolt until it contacts wing. Secure
with jam nut . Re-tighten jam nuts and align other
side as needed.
Null4:
Figure 143
Wing Stop Bolt
29694
3 4
Null4:
Figure 144
Wing Pull-bar Turnbuckle
29378
5
6
1
2
3
4
5
6
4
3
Null4:
Figure 145
Section Alignment Check
29524
1 2 2 1
6 6