Great Plains 3S-4000HDF Operator Manual - Manual (Page 37)

Great Plains Manufacturing, Inc. Table of Contents Index Operating Instructions 33
2013-06-13 Table of Contents Index 195-067M
Unfolding
Drill must be lowered from transport lift prior to unfolding.
See “Lowering Drill (Transport Lift)” on page 31.
1. Verify that the site has clearance needed to unfold
drill.
2. If markers are installed, set Marker/Fold selector
valve to Fold (page 43).
Refer to Figure 18
3. Verify that the opener sub-frames are still raised and
locked up (handles in ROAD position).
4. Slowly supply oil to base end of fold circuit. Unfold
wing frames by completely extending fold cylinders.
If field operations are planned:
5. Position all six opener transport lock handles in
FIELD position.
6. 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.
Folding and Unfolding Quick Reference
To Fold Drill for Transport
• Fold markers (page 43).
• Raise openers (page 26).
• Fold drill (page 27).
• Raise drill (page 28).
To Unfold Drill for Field
• Lower drill (page 33).
• Unfold drill (page 33).
• Set openers for FIELD (page 26).
Figure 27 - Unfold
Opener Unlock
15549