Great Plains 3S-4000F Operator Manual - Manual (Page 31)

Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 27
2014-06-10 Table of Contents Index 195-394M
Unfolding
Crushing Hazard:
Bystanders could be crushed between the folding drill boxes
and the drill tongue. To avoid serious injury or death, keep all
bystanders well away during drill operation.
1. Park tractor and drill on level ground with tractor
transmission in park. Be aware of clearance needed
to unfold drill.
2. Supply oil to transport lift circuit until transport lift
cylinders and front box lift cylinder are completely
extended and drill is raised completely.
Refer to Figure 17 and Figure 18
3.
Rotate cylinder lock channels off cylinder rods of
transport lift cylinders and front box lift cylinder.
4. Completely retract transport lift cylinders and front
box lift cylinder.
5. Slowly supply oil to base end of fold circuit. Unfold
wing frames by completely extending fold cylinders.
Refer to Figure 19
6.
Position opener transport lock handles in FIELD
position.
7. Completely raise openers to allow opener transport
locks to disengage.
Note: The opener transport lock handles are spring
loaded and can be moved to field position with
openers up or down, but locks will only disengage
when openers are completely raised. There are
two lock handles on each drill section (6 total).
Folding and Unfolding Quick
Reference
To Fold Drill
1.
Fold markers.
2. Raise openers.
3. Fold drill.
4. Extend transport and front box lift cylinders.
5. Lock transport and front box lift cylinders.
To Unfold Drill
1.
Completely extend transport and front box lift
cylinders.
2. Unlock transport and front box lift cylinders.
3. Retract transport and front box lift cylinders.
4. Unfold drill.
5. Lower openers.
Figure 17
Transport Lift Cylinder Lock
18960
Figure 18
Front Box Lift Cylinder Lock
18959
Figure 19
Opener Unlock
15548