Great Plains Verti-Till Field Update - Manual (Page 5)

Great Plains Manufacturing, Inc. Replace Pin Retainers 5
08/06/2007 596-186M
Level Link Crank Pin Retainers
Refer to Figure 7 and Figure 8
Replace the retaining bolts and nuts of the upper four
pins in each of two triangular cranks
, between the
frame and transport wheel rockshaft (not shown).
Note: The bolts in the lower end of the vertical links are
replaced on the next page.
Upper and Lower Link Pivots
14. Remove four sets of existing:
HHCS 3/8-16X2 1/2 GR5
NUT LOCK 3/8-16 PLT
These parts are not re-used.
15. Select four 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.
Crank to Frame Pivots
Refer to Figure 8
Replace the retaining bolts and nuts of the main pivot
pins in each of the two triangular cranks between the
frame and transport wheel rockshaft (not shown).
Upper and Lower Link Pivots
16. Remove two sets of existing:
HHCS 3/8-16X3 1/4 GR5
NUT LOCK 3/8-16 PLT
These parts are not re-used.
17. Select two sets of new:
802-781C HHCS 3/8-16X3 1/2 GR8 PLT
803-013C NUT LOCK 3/8-16 PLT
Install the bolts in the pins.
U
D
F
B
L
R
Figure 7
Level Link Crank Links
21558
55 38
52 36
52 36
55 38
52 36
55 38
55 38
52
36
5
7
5 7
Inspect bolt heads before replacing.
If already grade 8, skip to next implement location.
52
55
36
38
U
D
F
B
L
R
Figure 8
Level Link Crank Pivot
21558
53 34
55 38
55 38
53
34
Inspect bolt heads before replacing.
If already grade 8, skip to next implement location.
53
55
34
38