Great-plains YP825AR Material Rate User Manual download pdf (Page 52)

48 YP825AR Table of Contents Metric Charts Great Plains Manufacturing, Inc.

401-923B Table of Contents Metric Charts 2013-11-11

Update Seed Tube

Refer to Figure 24

8. Remove and save the seed tube gasket .

Note: If the planter has Row-Pro™ servo down-pressure,

several rows have an extra cable from load cell to

harness that routes through the gasket. It is not

possible to completely remove the gasket on these

rows. Slide the gasket up out of the way.

9. Pull the old seed tube up and out of the opener

shank. Be careful to not damage the extra cable on

rows with Row-Pro™ load cells. The seed sensor

and its cable, and seed tube hook clip will come

out with the seed tube.

10. Note how the sensor is aligned on the tube. Cut the

cable ties securing the seed sensor to the seed

tube. Remove and save the sensor components.

Remove and save the seed tube hook clip .

Discard

the seed tube.

11. Select one new:

817-827C SEED TUBE AIRMETER 25 SER

and two new:

800-244C CABLE TIE .19X15 PANDU BT4S-C0

Refer to Figure 25

12. Clean and dry the face of the sensor receiver. This

may require carefully removing existing silicone

sealant. Clean and dry the front face of the sensor

locating ring on the new tube.

13. Apply a generous dab of clear silicone sealant to the

front (outside) face of the sensor locating ring.

Avoid introducing any air bubbles.

14. Re-attach the saved seed sensor to the new seed

tube. Secure with new ties.

15. Snap the saved seed tube hook clip on the new seed

tube. Verify that the rear center hole in the clip is over

the alignment stud on the seed tube (not shown).

16. Insert the new seed tube assembly into the shank.

Take care not to snag any Row-Pro™ load cell cable

present. Note that a lower hook on the seed tube

hook clip needs to engage a pin . Secure seed

tube with clevis pin and cotter.

17. Re-install the saved seed tube gasket.

18. Swing meter assembly back into position. Secure

with four bolts and .

19. Install next used seed disk. Re-install rain cover.

a. Older seed tubes do not support detection (including blockage detection) of very small seeds.

Figure 24

Canola Field Update: Seed Tube

36068

Figure 25

Canola Field Update: Sensor

36080

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Great-plains YP825AR Material Rate User Manual Page 52

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