Great Plains NTA3007 Operator Manual - Manual (Page 42)

38 NTA907 or NTA3007 Table of Contents Index Great Plains Manufacturing, Inc.
166-371M Table of Contents Index 2012-07-02
14. When the wings are fully unfolded, stop fold cylinder
retraction, and hold wings open with Neutral.
15. Disable the Fold solenoid valve.
Unfold: Free Wing Transport Locks
Step 16 may not be necessary on a recently folded drill.
16. Relieve any weight on the wing tip locks.
Select Tilt operation:
Briefly perform a tilt-up.
17. Shut off tractor.
Unfold Complete: Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Neutral Neutral
Figure 27
CFM Unfold Complete
29380
Figure 28
CFM Tilt Enable for Un-Weight
29380
Tilt Un-Weight: Hydraulic Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral
Retract
then
Neutral
Neutral