Unfolding – Great Plains 3S-3000HDF Operator Manual v2 User Manual
Page 33
Great Plains Manufacturing, Inc.
Operating Instructions
29
2014-02-11
195-068M
Refer to Figure 22
5.
Rotate cylinder lock channel up and forward off front
box lift cylinder.
6.
Slowly reverse the lift circuit lever and begin lowering
the drill. Keep the circuit engaged until all three cylin-
ders are completely retracted. Set circuit to off or
neutral.
The drill is now ready for unfolding.
Unfolding
Drill must be lowered from transport lift prior to unfolding.
See “Lowering Drill (Transport Lift)” on page 28.
1.
Verify that the site has clearance needed to unfold
drill.
2.
If markers are installed, set Marker/Fold valve at
hitch to Fold.
Refer to Figure 24
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.
FigureSpacer
Figure 23
Front Box Lift Cylinder
in Field Configuration
15553