Great Plains YP4025F-1670 Operator Manual - Manual (Page 32)

28 YP4010HD/YP4025/F Table of Contents Index Great Plains Manufacturing, Inc.
401-571M Table of Contents Index 2014-09-08
Unfolding, Continued ...
5. Raise tractor 3-point hitch or extend (raise) planter
hydraulic tongue until tongue wing locks
rise and
disengage.
Machine Damage Risk:
If hitch is not raised, wing locks will remain in transport
hooks. Wings will not unfold, and machine damage is possible.
6. Set CFM Marker/Fold switch to Fold. LED above
switch blinks continuously.
7. Activate (normally Retract) tractor hydraulic circuit to
unfold wings.
8. Operation is complete when the tongue lock
engages.
Refer to Figure 18
Machine Damage Risk:
Do not operate planter when unfolded unless tongue lock is
engaged.
9. When fully unfolded, set Marker/Fold hydraulic circuit
to Neutral.
10. For imminent lowered operations, remove lift cylinder
locks (see “Lift Cylinder Lock-Up” on page 31).
11. Set hitch height to planting position
(“Raising/Lowering Tongue” on page 18).
Figure 16
Unfold: Wings Locked
29243
5 5
5
4
Figure 17
Planter Unfolding
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6
Figure 18
Tongue Lock Engaged
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6