Great Plains
| 401-647M | 2019-06-11
Table of Contents
Index
118
3PYPA
Table of Contents
Index
Maintenance and Lubrication
5. If safe, unfold the wings (page 36). If the planter has
markers, leave the marker switch Off during this
bleed.
Refer to Figure 146 or Figure 147
6. Set hydraulics for low flow rate. Disconnect the rod
ends of both wing fold cylinders, so that they may
extend without moving the wings.
7. Retract the wing fold circuit.
8. Loosen the JIC fittings at both wing fold cylinder
base ends .
9. Set wing fold circuit to Extend until fluid emerges.
10. Neutralize the circuit and secure the fittings.
11. Fully extend the wing fold cylinder rods.
12. Loosen the JIC fittings at both wing fold cylinder rod
ends .
13. Set wing fold circuit to Retract until fluid emerges.
14. Neutralize the circuit and secure the fittings.
15. Fully retract the wing fold cylinder rods.
16. Cycle the circuit to fully extend then fully retract both
cylinders. Repeat this two times.
17. Reattach the rod ends to the wings.
18. Unchain as needed and fold and unfold wings
several times.
Figure 147
Wing Fold with Markers
25062
L
R
7
7
8
8
7
8
7
