Great Plains YP1625 Material Rate - Manual (Page 9)

Great Plains Mfg., Inc.
5
11/23/2011 401-263B
4. Before setting the planting rate, rotate the contact
wheel (it turns in the opposite direction from the main
tire). Check that seed meters, seed tubes, and drives
are working properly and free from foreign material.
Check that tire pressure is set according to the
“Specifications and Capacities” in your Operator’s
manual.
Drive Speed Range Sprockets
5. Select the correct drive speed range sprockets for
your seed from the “Seed Rate Charts,” starting on
page 30.
Refer to Figure 5
Loosen idler and remove chain . Remove retain-
ing pins from Driving and Driven shafts and
install speed range sprockets as necessary.
Note: Make sure the correct sprockets have been in-
stalled in the DRIVING and DRIVEN locations as
shown.
Reroute chain over sprockets and idlers as shown.
Move idler into chain so chain has
1 ⁄
4
in (6mm) slack
in its longest span. Tighten idler and install lynch
pins.
Transmission Sprockets
Refer to Figure 6
6.
Loosen idlers and remove drive chain . Remove
lynch pins from Driving and Driven shafts and
rearrange driving and driven sprockets as necessary.
Reroute drive chain over sprockets and idlers as
shown. Move idlers
into chain so chain has 1 ⁄
4
in
(6mm) slack in its longest span. Tighten idlers and
install lynch pins.
7. Repeat step 5 and step 6 for the other contact
wheel.
8. Switch the seed monitor from Setup/Configuration
mode to Operate mode. Load seed. Move the planter
to the field.
Null4:
1
4
3
2
Null4-AAC:
DRIVING
Null4-AAC:
DRIVEN
Null4:
Figure 5
Drive Speed Range
Sprockets Adjustment
21974
1 2
3 4
Null4:
Figure 6
Transmission Sprockets Adjustment
21974
4
Null4-AAC:
DRIVEN
Null4-AAC:
DRIVING
1
2
3
1 2
3 4
1