Great Plains PD8070 - Manual (Page 7)

Great Plains Mfg., Inc.
Installation Instructions 7
02/02/2007 402-231M
Seed Tube Upgrade
Remove Old Seed Tubes
Refer to Figure 2, the PD8070 Operator’s Manual and the PD8070
Parts Manual
34. (not shown) Disconnect the seed sensor lines at
each seed tube.
35. Remove the pin and remove each old seed tube.
The seed tube is not reused, but it has compo-
nents on it that are re-used.
36. Remove and save the seed sensor from each
seed tube.
37. (not shown at ) Remove and save any seed flap
or seed firmer from back rear of seed tubes.
Install New Seed Tubes
Refer to Figure 15, the PD8070 Operator’s Manual and the PD8070
Parts Manual
38. Select eight new:
403-216S SEED TUBE FPU TB,CLIP W/ HOLE
39. (not shown at ) Re-install any seed flap or seed
firmers on the back rear of the new seed tubes.
40. Re-install the seed sensor on each new seed
tube.
Note: This improved seed tube does not have a front
hole at the sensor mount. This improves seed
flow. The sensor operates in the infrared, and can
“see” through the seed tube wall. Do NOT cut a
hole for the sensor.
41. Insert the new seed tubes in each row unit, and re-
install the pin .
42. Re-connect the seed sensor lines (not shown) at
each seed tube.
Figure 15
Replace Seed Tubes
24025
1
3
2
1
2
3
14
3
2
1