Great Plains YP1220 Operator Manual - Manual (Page 34)

30 YP1220 Great Plains Manufacturing, Inc.
401-506M 03/14/2012
Monitor Operation
For monitor operation, refer to the DICKEY-john ® man-
ual supplied with this unit.
Refer to Figure 30
The monitor uses a pickup wheel for measuring planter
ground speed. The pickup sensor should be set at a dis-
tance of
1 ⁄
16
in to 1 ⁄
8
in from pickup wheel.
Electric Clutch Operation
Refer to Figure 31
Electric clutches allow for turning planting off while the
planter is lowered. A clutch for each drive shaft allows for
independent control each of side of the planter. The
clutches are controlled via the in cab control console.
For regular field operation, turn electric clutch switches
on control console to “ON” position. This will activate the
magnet on each clutch and allow clutch shafts to rotate.
To shut off planting on one or both sides to accommo-
date point row while planter is lowered, turn one or both
switches to “OFF” position.
Figure 30
Pickup Wheel
25318
Figure 31
Electric Clutch Switch
19694