Great Plains YP3025 Operator Manual - Manual (Page 169)

Great Plains Manufacturing, Inc. Table of Contents Index Appendix B - Pre-Delivery 165
2013-09-09 Table of Contents Index 401-703M
Dual Marker Speed Adjustment
Refer to Figure 156 and Figure 157
Adjust folding speed for dual markers with hex adjust-
ment screws on the sequence valve body. The valve
sequence body is located on top of the left wing frame.
Loosen jam nuts before making adjustments.
There is one adjustment screw for unfolding speed
and one for folding speed
. You can identify adjustment
screws by markings stamped in valve body.
Turn adjustment screws clockwise ( : slower) to
decrease [un]folding speed and counterclockwise
(
: faster) to increase [un]folding speed.
With tractor idling at a normal operating speed, adjust
marker folding to a safe speed. Excessive [un]folding
speed could damage markers and void the warranty.
After adjusting the folding speed, tighten jam nuts on hex
adjustment screws to hold settings.
Figure 156
Marker Sequence Valve Location
29302
1
2
S
F
1 2
F
S
S
Figure 157
Marker Speed Adjustment
14048