Raising and Lowering Independent Markers
IMPORTANT: DO NOT put SCV lever into “Float” when
raising and lowering. The correct procedure for raising and lowering
is to POWER completely UP or DOWN.

A35733-UN-26OCT94
7000 Series Shown

A64626-UN-06MAY09
A - SCV Dedicated To Marker Lift
B - Marker Alternating Valve
Independent control allows markers to be operated independent
of machine lift system. Requires a separate tractor SCV dedicated
to marker lift (A).
When marker SCV lever is moved rearward, marker raises. When
it is moved forward marker lowers. Markers operates alternately each
time lever is cycled fully to both raise and lower marker.
A marker alternating valve (B), automatically shifts oil flow
so opposite marker can be lowered each time lever is moved from marker-lower
to marker-raise position (even when lever is moved only briefly).
In this way the following additional marker functions are possible:
-
One marker can be raised partially (to clear an obstacle), then
lowered again by cycling lever twice, quickly (without actually moving
markers), until marker function returns to same marker.
-
Both markers can be lowered (as when starting in the middle
of a field) by lowering one marker, then quickly cycling lever (without
raising that marker) so second marker lowers.
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DT31797,00002FC-19-20090506
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