Great Plains 7336 DH Predelivery Manual - Manual (Page 12)

8 Series II Disk Harrow Great Plains Manufacturing, Inc.
556-235Q 2014-06-25
Wide Center Frame Assembly
Refer to Figure 5
6.
Lower the left and right sides of the center
frame onto stands .
7. Install the
3 ⁄
4
” x 2” Gr. 8 hex bolts through the 4-
hole tie plates , secure with
3 ⁄
4
” lock washers and
3 ⁄
4
” nuts. Do not tighten at this time.
8. Pin the torque tube weldment to the center frames
with 1
1 ⁄
4
” x 9” pins (outer) and 1
1 ⁄
4
” x 7” pins
(center). Secure pins with
1 ⁄
2
” x 2
5 ⁄
8
” Gr. 8 special
thread bolts and
1 ⁄
2
” top lock nuts.
9. Remove
1 ⁄
2
” x 4
1 ⁄
2
” Gr. 5 hex bolt from the walk-
ing beams. Slide the hub/spindle assembly into the
walking beam and reinstall the hex bolt and secure
with
1 ⁄
2
” lock nut.
Note: The center uses 380/55R 16.5 tires while the
wings have 12.5Lx15 tires.
10. Install tire/wheel to hub assembly with
5 ⁄
8
” lug
nuts .
11. Fasten center lift cylinders , base end to center
frame and rod end to torque tube with pins, machine
washers and cotter pins, provided. Be sure the
washer is installed between the cotter pin and the
cylinder.
12. Tighten all bolts to specs, See “Torque Values
Chart” on page 19.
11 12
13
15
14
16 17
18
19
20 21
22
23
11
12
13
14
15
16
17
18
21
19
20
22
14
23
U
D
F
B
L
R
Figure 5
Wide Center Frame
43448