Unfolding – Great Plains 2S-2600HDF Operator Manual v1 User Manual
Page 33

Great Plains Manufacturing, Inc.
Operating Instructions
29
2014-05-16
195-440M
Unfolding
Certain Tire Damage:
Do not lower openers until drill in unfolded or you will
damage drill tires.
Drill must be left raised (transport and opener lift) prior to
unfolding.
1.
Verify that the site has clearance needed to unfold
drill.
2.
If equipped with markers, set Marker/Fold valve at
hitch to Fold.
3.
Verify that the Transport Lift circuit is still raised, and
transport cylinder lock channels are installed.
Refer to Figure 23
4.
Verify that the opener sub-frames are still raised and
locked up (handles in ROAD position).
Refer to Figure 27
5.
At fold latch, prop both latch pawls
on the wing
pins, raising the latches
off the pins.
6.
Slowly supply oil to base end of fold circuit. Unfold
wing frames by completely extending fold cylinders.
If field operations are planned:
7.
Lower drill mainframe. See “Unfolding” on page 29.
8.
Lower opener subframe. See “Lowering Openers”
on page 24.
Figure 26 - Unfold
Opener Unlock
15549
1
2
Figure 27
Latch Ready for Unfold
17319
1
2