Installation Instructions for 7200 Series Planters
Figure 1

1) Remove depth gauging wheels.

2) Remove Old scrapers from the scraper arm
Figure 2

3) Pry or pull the scraper arm out approximately 3/4".
Figure 3

4) Slide Air Design scraper on the scraper arm as shown in figure 3 & 4.

5) Insert scraper arm bent end into oblong slot in Air Design scraper.

Figure 4

6) Release scraper arm and allow spring tension to hold the Air Design scraper against the planter disk.

7) Installation is now complete.
(Do not reinstall cotter pin in the scraper arm.)