Great Plains 3000TM Operator Manual - Manual (Page 21)

Great Plains Manufacturing, Inc. Table of Contents Index Preparation and Setup 17
10/29/2013 Table of Contents Index 586-536M
Wing Fold
Refer to Figure 9
6. If wing stop pins are installed remove pins from wing
stop clevis .
7. Install pin in storage tube on wing stop.
Refer to Figure 10
Note: The wing locking valve is located on the center brace
bar close to the depth control valve to prevent wing
movement during transport and maintenance. The
valve is shown with the handle
in the open position.
To close the locking valve , turn handle 90 de-
grees, to keep wings from un-folding.
8. Once the transport locks, wing stop pins are removed
and wing fold valve is in the open position (as shown),
unfold the wings (if folding unit).
Note: Make sure no one is under the wings during the un-
folding process. Watch for leaks and make sure hoses
do not get pinched during the initial unfolding process.
9. Once the machine is unfolded, raise and lower the
machine several times to purge air from the lift system.
Again, watch for any leaks and tighten if necessary.
Pre-Leveling of Machine
Note: Pre-leveling of machine should be done on a good lev-
el surface.
Front to Rear Leveling
Refer to Figure 11
10. Lower machine so front coulter gangs are 1-2” off of
ground. Loosen jam nut with turnbuckle wrench
(stored on rear pegs of hitch). Adjust the turnbuckle
at the front of machine to level it front to back. (Shorten
to bring front down, extend to bring front up).
11. When the front coulter gangs are the same distance off
ground as rear coulter gangs retighten jam nut .
Figure 9
Wing Fold Pins
42249
1
2
3
1
2
3
Figure 10
Wing Lock Valve
42259
4
5
4
5
4 5
Figure 11
Hitch Turnbuckle Adjustment
42260
3
1
2
1 2
3
1