Great Plains PD8070 Operator Manual - Manual (Page 71)

Great Plains Manufacturing, Inc. Table of Contents Index Maintenance and Lubrication 67
2014-07-23 Table of Contents Index 401-479M
Shaft Alignment
Refer to Figure 75 and Figure 76
Improper shaft alignment can cause pins to shear. To
function properly, transmission shafts must be aligned
and level. If the planter is consistently shearing pins,
follow these steps to check and adjust the shafts.
Check that transmission input shaft and transmission
shaft are aligned:
1. Remove cotter pin from coupler sleeve .
2. Pull coupler sleeve back and observe the shafts.
If shafts are not aligned, adjust contact-drive tower:
3. Loosen mounting bolts on both sides of tower.
4. Adjust tower position until shafts are aligned.
5. Retighten tower mounting bolts.
6. Slide coupler sleeve over transmission input shaft
and reinsert cotter pin.
Figure 75
Drive Shaft Couplers
25465
2 3 1 4 5
Figure 76
Ground Drive Tower Bolts
25466
4
4
1
2
3
4