Great Plains NTA3007 Operator Manual - Manual (Page 40)

36 NTA907 or NTA3007 Table of Contents Index Great Plains Manufacturing, Inc.
166-371M Table of Contents Index 2012-07-02
Unfold: Release Transport Hook
5. Extend the Transport Hook circuit.
Set it to Neutral.
Note: Transport hook is on a dedicated circuit.
Refer to Figure 22 (which depicts the transport hook unlocked
and disengaged)
6.
Pull the lift lock handle forward to disengage the
transport hook lock channel . Pull the handle until
the lock channel rests at fully open.
7. Have everyone move clear of the drill. Retract the
transport hook cylinder:
Refer to Figure 23
8.
Observe wings and gauge wheels lowering during
un-hook.
9. When the cylinder is fully retracted, set the transport
hook circuit to Neutral.
Unfold: Set Tractor
10. To allow tractor movement:
set steering straight ahead,
put tractor transmission in neutral and
release tractor parking brake.
Un-Weight: Hydraulic Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Neutral Extend
Figure 22
Transport Hook Lock Channel
32385
1
2
1
2
Un-Hook: Hydraulic Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Neutral Retract
Figure 23
Wing Movement During Un-Hook
29389
Un-Hook: Hydraulic Circuit Operation
Lift
Fan,
Auger
Fold, Tilt,
Marker
Transport
Hooks
Neutral Neutral Neutral Neutral
Note: If tractor movement is not desired:
put tractor transmission in Park,
set tractor parking brake, and
release drill brakes (if drill is brake-equipped, and
tractor can separately control drill brakes).
Do not set tractor parking brake if tractor parking
brake actuates trailer (“service”) brake system.