Great Plains 4000TM Operator Manual - Manual (Page 24)

20 1200-4000TM Table of Contents Index Great Plains Manufacturing, Inc.
586-288M Table of Contents Index 10/30/2012
Wing Turnbuckle 586-295S
Refer to Figure 14
17. Models 1800-3000 and 4000 (outer wing), the wing turn-
buckle should be pre-set at 45 3/4” as shown.
Wing Turnbuckle 586-446S
Refer to Figure 15
18. Models 3500-4000, the wing turnbuckle
should be
pre-set at 40 3/8” as shown.
19. Once machine is leveled side to side, any further adjust-
ment in the field should be done with the hydraulic down
pressure.
20. If running gangs at an angle and the wings are going too
deep, then you should not run down pressure at all.
Switch hydraulic to the float position.
Note: If wings are running too high, increase hydraulic down
pressure setting, too low, decrease down pressure set-
ting. See “Hydraulic Down Pressure 1800-3000” on
page 23, “Hydraulic Down Pressure 3500” on
page 24 or “Hydraulic Down Pressure 4000” on
page 25 for initial setup and operation.
Gang Angle Adjustment
Refer to Figure 16
Note: Check gang angle adjustment when machine is new
and annually after, as wear may occur
21. With front gang adjusting cylinders in the full retract
position the gang bar should be 1/8” from tubes .
22. If gang bar is not 1/8” from tubes loosen allen
screw on clevis on rod end of cylinder (there are two
flat spots on rod to get wrench on to adjust) and shorten
cylinder rod
by turning cylinder rod to bring gang bar
closer and lengthen clevis to lengthen to get cylinder to
retract all the way.
23. Re-tighten allen screw when adjustment is made.
Figure 14
Wing Turnbuckle 586-295S
42395
2
1
2
2
Figure 15
Wing Turnbuckle 586-446S
42395
1
2
Figure 16
Front Gang Angle Adjustment
42251
4 2
3 1
5
1
2 3
2 3
4
5
4