Great Plains Verti-Till Field Update - Manual (Page 4)

4 Verti-Till Field Update Great Plains Manufacturing, Inc.
596-186M 08/06/2007
Frame-Rockshaft Pin Retainers
Refer to Figure 5 (showing three of four pins on right side)
Replace the retaining bolts and nuts of the two upper
pins at each of four pivots
, between the frame and
coulter rockshafts. The lower pins are replaced at a later
step.
10. Remove eight sets of existing:
HHCS 3/8-16X2 1/2 GR5
NUT LOCK 3/8-16 PLT
These parts are not re-used.
11. Select eight sets of new:
802-849C HHCS 3/8-16X3 1/4 GR8
803-013C NUT LOCK 3/8-16 PLT
Install the bolts in the pins.
Coulter Frame Pin Retainers
Refer to Figure 6 (showing only right side pins)
Replace the retaining bolts and nuts of the pins at each
of four pivots (2 left and 2 right side) between the coulter
sub-frame
and level link rockshafts.
12. Remove two sets of existing:
HHCS 3/8-16X2 1/2 GR5
NUT LOCK 3/8-16 PLT
These parts are not re-used.
13. Select two sets of new:
802-849C HHCS 3/8-16X3 1/4 GR8
803-013C NUT LOCK 3/8-16 PLT
Install the bolts in the pins.
U
D
F
B
L
R
Figure 5
Coulter Rockshaft Pivots
21557
52 36
55 38
3
4
52 36
52 36
55 38
55 38
Inspect bolt heads before replacing.
If already grade 8, skip to next implement location.
3 4
52
55
36
38
U
D
B
F
R
L
Figure 6
Coulter Sub-frame Pivots
21571
52 36
55 38
5
52 36
55 38
Inspect bolt heads before replacing.
If already grade 8, skip to next implement location.
5
52
55
36
38