GREAT PLAINS 2SF24, Operating Manual

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2018-08-02 Table of Contents Index 155-015M-A
2SF24 and 2SF30 Table of Contents Index Adjustments 50
Marker Adjustments
Folding Speed
Refer to Figure 37
Adjust folding speed for dual markers with hex
adjustment screws on the sequence-valve body. There is
one adjustment screw for raising (fold) speed (1) and one
for lowering (extend) speed (2). You can identify
adjustment screws by markings stamped in valve body.
Turn adjustment screws clockwise to decrease folding
speed and counterclockwise to increase folding speed.
With tractor idling at a normal operating speed, adjust
marker folding to a safe speed. Excessive folding speed
could damage markers and void the warranty.
After adjusting the folding speed, tighten jam nuts on hex
adjustment screws to hold settings.
Refer to Figure 38
The hydraulic system for a single marker has a needle
valve to control folding speed. The needle valve is in the
hydraulic hose at rod end of marker cylinder.
Turn adjustment knob clockwise to reduce folding speed
or counterclockwise to increase folding speed. With
tractor idling at a normal operating speed, adjust marker
folding to a safe speed. Excessive folding speed could
damage markers and void the warranty.
Figure 37
Speed Adjustment, Dual Markers
14048
1
2
Figure 38
Single Marker Speed Adjustment
15625