Great Plains PT8030 V1015 Operator Manual - Manual (Page 35)

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Section 3 Adjustments
4/12/05 PT6030 and PT8030 Pull-Type Planter 401-032M-B
Great Plains Mfg., Inc.
Tire Scraper
In some soil types, you may need to use optional tire
scrapers. The scrapers prevent excess mud from building
up on the transport tires so the contract-drive tire can op-
erate properly. Adjust the scraper so it does not contact
the tire. See Figure 3-24.
15027
Figure 3-24
Tire Scraper