Great Plains 1625AHL Material Rate - Manual (Page 16)

12 1625AHD/AHL Table of Contents Great Plains Manufacturing, Inc.
411-020B Table of Contents 2014-03-17
Range Sprockets
Refer to Figure 4
3. Obtain the sprocket pairing from the Seed Rate
Chart.
4. Loosen the bolts on the idlers , and slide the idlers
away from the chain.
5. Remove the lynch pins from both the driving , and
driven shafts.
6. Exchange the existing low range sprockets for those
called out in the chart.
7. Slide the idlers into the chain, and tighten the bolts,
allowing
1 ⁄
4
inch (6 mm) slack in the longest chain
span.
8. Store the alternate sprockets and re-pin.
9. Make sure both ground drives are configured
identically.
Transmission Sprockets
Refer to Figure 5
10. Obtain the initial sprocket pairing from the Seed Rate
Chart.
11. Unscrew the knob from the guard . Remove the
guard.
12. Loosen the bolt on the forward idler , and slide the
idler to the bottom of its track.
13. Remove the lynch pins from both the driving , and
driven shafts.
14. As needed, exchange the existing sprocket pair for
the new pair.
15. Slide the idler up, and tighten its bolt, allowing
1 ⁄
4
inch (6 mm) slack in the longest chain span.
16. Store the removed and any loose sprockets on the
sprocket trees
17. Re-install the guard, securing it with the knob.
18. Switch the seed monitor from the
Setup/Configuration mode to Operate mode. Load
seed. Move the planter to the field.
1
2
3
DRIVEN
DRIVING
Figure 4
Range Sprockets
36213
1
2
3
Figure 5
Transmission Sprockets
36212
7
8
6
DRIVEN
DRIVING
4
5
4 5
6
7
8
6