Great Plains YP Drive Shaft Update Kit - Manual (Page 2)

Great Plains Mfg., Inc.
2 YP Drive Shaft Update Kit
401-464M 12/21/2006
Refer to Figure 2
3. Drive out the roll pin at the outboard end of the
right drive shaft. The pin is not reused.
4. Remove the old drive shaft from the planter. It is not
re-used.
5. Repeat steps 1 through 4 for the left side drive
shaft.
Refer to Figure 2
6. Taking note of pin hole alignment, slide the out-
board (bellows end) U-Joint of a new drive shaft
onto the wing drive shaft extension.
7. Insert a new pin .
Refer to Figure 3
8. Extend the new drive shaft until the inboard U-joint
is near the center drive shaft.
9. Rotate the new drive shaft until the new inboard U-
joint can be rotated 90 degrees to align with the
center drive shaft.
10. Rotate the center drive shaft until the roll pin holes
align. This usually requires some effort. A
7 ⁄
8
in
open-end wrench may be used for leverage.
11. Slide the U-joint over the center drive shaft and
insert a new roll pin .
12. Repeat steps 6 through 11 for the other side.
13. If the inner shafts were not pre-greased, attach a
grease gun to each shaft zerk, and pump in a small
amount of grease. Do not fill the inner space with the
shaft extended, or almost all of that grease will be
forced out when the planter is unfolded.
14. Perform normal lubrication at the U-joint zerks.
➂
Figure 2
Outboard Right U-Joint
25144
4
4
4
➂
Figure 3
Insert Inboard Pin
25145
5
5