Great Plains YP925TD Assembly Instructions - Manual (Page 17)

Great Plains Mfg., Inc. Front Appendix Installation Instructions 17
2012-22-03 Front Appendix 113-870M
Install Second Stage Arms
If the second stage arms are already installed, continue
at “Fertilizer Shim”.
Refer to Figure 22
94. Select one new of:
113-449H 6 ROW 2ND STAGE ARM WMNT
113-450H 8 ROW 2ND STAGE ARM WMNT
113-835H 4 ROW 2ND STAGE ARM WMNT
Note that the arm stage has a pivot and a shear
tab weldment .
95. Select four sets new:
802-042C HHCS 1/2-13X3 3/4 GR5
803-019C NUT LOCK 1/2-13 PLT
These fasteners may be loosely installed in the
second stage mount weldment
. If so, remove
and save them.
96. Slide the arm stage into the second stage mount
weldment . Orient the arm with the pivot to
planter rear, and the shear tab to planter front.
Secure it with one bolt and lock nut through
the rear mount weldment hole nearest the weldment
pivot.
97. Select one set new (shear bolt):
802-295C HHCS 5/16-18X1 1/2 GR2
803-011C NUT LOCK 5/16-18 PLT
These fasteners may already be loosely installed in
the mount pin
, or in the arm shear tab . If so,
remove and save them.
98. Rotate the mount pin into face-to-face alignment
with the shear tab . Secure with shear bolt and
lock nut .
99. If the planter has a fertilizer system, you can also
select one new:
113-551D MARKER SHIM
and install it now instead of at step 105. See
“Fertilizer Shim” for installation details.
100. Install three more bolts and lock nuts through
the remaining mount weldment holes. Tighten to
snug, and not to Grade 5 torque spec. The arm
must be free to swing if the shear bolt
fails in the
field.
101. Repeat step 94 through step 100 for the other arm.
Figure 22
Second Stage Arm
29872
39
55
60
43
3
2
38
58
57
43
2
3
55
60
38
43
38 43 2
3
55 60
57
58
39 3
39
3 57
58
44
55 60
57