Unfolding, continued – Great Plains YP2425F-2470 Operator Manual User Manual
Page 31
Great Plains Manufacturing, Inc.
Operating Instructions
27
2014-07-14
401-406M
Unfolding, Continued ...
7.
Raise tractor 3-point hitch or extend 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.
8.
Activate (normally Retract) tractor hydraulic circuit to
unfold wings.
9.
Operation is complete when to tongue lock engages.
Machine Damage Risk:
Do not operate planter when unfolded unless tongue lock is
engaged.
10. When fully unfolded, set Marker/Fold hydraulic circuit
to Neutral.
11. For imminent lowered operations, remove lift cylinder
locks (see “Lift Cylinder Lock-Up” on page 32).
Refer to Figure 19
12. For operations across hillsides, engage caster locks.
Set wire handles to FIELD. Casters will lock into
straight trailing position during operation.
13. Set hitch height to planting position
(“Raising/Lowering Tongue” on page 16).
Machine Damage Risk:
Unfolding and folding planter must be done at a controlled
pace. Adjust hydraulic flow so that it takes a minimum of 60
seconds to fold or unfold machine.
Figure 20
Unfold: Wings Locked
26037
8
8
Figure 21
Planter Unfolding
26112
9
Figure 22
Tongue Lock Engaged
26041