Great Plains NTA3007HD Operator Manual - Manual (Page 35)

Operating Instructions 31
04/04/2011 166-207M
Refer to Figure 26
Observe the unfolding. It is not complete until the tongue
lock at the hitch engages the roller on the telescoping
center tongue tube.
Null4:
Refer to Figure 27
21. Continue unfolding until tongue lock hook engages
roller on telescoping tongue tube. it may be neces-
sary to back up the tractor for full engagement.
Do not operate air drill when unfolded unless tongue lock is
engaged.
22. When the wings are fully unfolded, stop fold cylinder
retraction, and hold wings open with Neutral.
Null4:
23. Disable the Fold solenoid valve.
If no markers are installed, you may also set the
MASTER switch to off.
Null4:
Null4:
Figure 26
Wing Unfold Progression
29391
Null4:
Figure 27
Tongue Hook Engaged
29393
Null4:
Unfold Complete: Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Neutral Neutral
Null4:
Figure 28
CFM Unfold Complete
29380