Great Plains NTA3007HD Operator Manual - Manual (Page 34)

30 NTA907HD or NTA3007HD
166-207M 04/04/2011
17. When vertical movement has stopped (and the cen-
ter section may stop last), hold the openers in the
raised position by setting circuit to Neutral.
Unfolding: Set Tractor
18. To allow tractor movement:
set steering straight ahead,
put tractor transmission in neutral and
release tractor parking brake.
If tractor movement is not desired:
put tractor transmission in Park,
set tractor parking brake
a
, and
release drill parking brake (if brake-equipped).
Unfolding: Unfold Wings
Unlock, tilt-down and tractor setup (step 4 through step
18 starting on page 26) must be completed before per-
forming the next steps.
Refer to Figure 25
19. On the CFM switch, enabled unfolding with MASTER
and Fold set on.
Null4:
20. Unfold the wings (now tilted down) by retracting the
fold cylinders.
Null4:
a. Do not set tractor parking brake if tractor parking brake activates trailer (“service”) brake system.
Null4:
Tilt-Down Complete: Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Neutral Neutral
Null4:
Figure 25
CFM Unfold Enable
29380
Null4:
Unfold Wings: Hydraulic Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Retract Neutral