
40Great Plains
| | 4/22/19
Great Plains
|
40
196-366m
Adjustments
Seeding Rate
Adjusting the seeding rate requires the following:
•
changing drive sprockets,
•
setting seed-rate handle,
•
positioning seed-cup doors, and
•
checking seeding rate.
Drive Speed
Range Sprockets
Select the correct drive speed range sprockets for your
seed by referring to “Seed Rate Charts,” beginning on
Refer to Figure 23
Loosen idler bolt (1) and remove chain. Remove
retaining pins from shafts and install speed range
sprockets as necessary.
NOTE: Make sure the correct sprockets have been
installed in the DRIVER and DRIVEN locations as
shown.
Reroute chain over sprockets and idlers as shown. Move
idler into chain so chain has 1/4-inch to 1/2-inch slack in
its longest span. Tighten idler and install retaining pins.
Set the same drive range sprocket combination on both
sides of drill.
For correct drive type, refer to seed-rate charts beginning
on page ci. The charts list drive types as 1, 2, 3 or 4.
Refer to Table 1 for correct sized sprocket for each drive
type.
19101
19113
1
Driven
Driver
Figure 23
Drive Speed Range Sprockets
TP-71245
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