Great Plains AS20 Operator Manual - Manual (Page 18)

AS15 and AS20 Planting System 148-153M 4/14/05 16 Great Plains Mfg., Inc.
Section 3 Basic Operation
3. DO NOT unhitch from tractor with the All Seeds
Hitch with the planter or drill in the raised position.
NOTE: 3-point planters and 3-point drills are not de-
signed to be turned with the openers in the ground.
Damage may occur to the openers and press
wheels.
The negative tongue weight present may cause im-
mediate elevation of the tongue resulting in damage
or personal injury. Always have planting units low-
ered when unhitching from tractor.
4. Never allow anyone to ride on the All Seeds Hitch,
planter, or drill.
5. Never exceed speeds of 20 MPH when transporting.