3P3025AH
Adjustments
Great Plains
| 411-332M | 2019-02-19
57
9. Loosen the bolt
in the gullwing switch cam
.
10. Rotate the top of the gullwing switch cam rearward
until the roller is just at the bottom of the ramp
leading up to the high area on the switch cam.
11. Tighten the bolt in the switch cam.
12. Before checking the adjustment, put an alignment
marks on the switch cam and the shaft
. If
adjustment is necessary, this will allow you to see
how far you have rotated the cam.
13. Test the operation of the gullwing switch.
If the wings move too early, the top of the switch
cam must be rotated a small amount toward the
rear.
If the wings move too late, the top of the switch cam
must be rotated a small amount toward the front.
14. Apply the tractor parking brake, stop the engine,
and take the key with you.
15. Loosen the clamp bolt for the switch cam.
16. Carefully rotate the switch cam as necessary.
17. Tighten the clamp bolts.
18. Test the operation of the gullwing switch again and
adjust the switch cam as necessary.
Switch Adjustments, Without Lift
Assist
Gullwing Switch Adjustment
1. Put the planter in the field position.
2. Raise the planter.
3. Apply the tractor parking brake, stop the engine, and
take the key with you.
4. Loosen the cap screws
that hold the gullwing
switch
.
5. Raise the gullwing switch all the way.
6. Slowly lower the gullwing switch until roller
contacts the plate
.
7. Continue to lower the gullwing switch until you hear
the internal contacts move. Approximately 1/8 inch.
8. Hold the gullwing switch in position and carefully
tighten the cap screws.
Figure 56
Gullwing Switch at Beginning of
Ramp on Switch Cam
23481
4
3
1
2
1
2
3
4
Figure 57
Gullwing Switch at Gauge Wheel
38559
3
4
2
1
1
2
3
4
