Great Plains
| 562-339Q | 05/05/2021
8
6539-6545UC
Assembly
Assembly
Your Ultra Chisel should be shipped with the Center
Torque Tube, Walking Beams and Center Fold
Brackets installed.
24. Install rear shank uprights, shanks and sweeps to the
center frame section and any missing shanks and sweeps
from the center brace bar, See “
on page 8. Remove shipping stands.
25. Maneuver center frame, and center brace bar and bolt the
frames together, See “
leave bolts loose.
Install Spring Shanks
Refer to Figure 4
26. The rear shank mounts will not be installed. Refer to
Appendix Section for Machine layouts. Install any other
missing shanks.
If shank is not installed, the 1 x 7 Gr. 5 bolt will be
tightened just enough to keep parts from shifting
during shipping.
27. Locate shank assemblies, the
5
8
x 4
1
2
Gr. 5 bolt , the
1
2
x 3 Gr5 Special Thread Bolt and shank bolt spacers
, 1 washer, and necessary lock nuts from the misc. box.
28. Loosen 1 x 7 Gr. 5 , Slide shank assembly through
shank cradle in shank mount and align holes as shown.
29. Install
5
8
x 4
1
2
Gr. 5 bolt ,
1
2
x 3 Gr. 5 bolt secure
with
5
8
lock nuts.
If the following step is not followed serious equipment failure,
or breakage can occur.
30. Tighten the 1 x 7 Gr. 5 bolt , until the bottom of the
Spring Cap , contacts the spring guide, located inside of
the spring. This will compress the spring.
31. Repeat same procedure for rest of shanks.
32. Bolts may be tightened to specs, See “
33. Some shanks uprights may be installed but the shanks
may be tripped forward for shipping. To reset the shank in
the correct position, remove the
1
2
x 3 Gr. 5 bolt ,
5
8
flat washer and
5
8
lock nut and lift the shank into the
correct position and reinstall the hardware.
15
13
14
11
10
16
U
D
F
B
L
R
12
Figure 4
Spring Shank
43664
16
10
11
12
16
13
14
10
11
16
15
11
