GREAT PLAINS 606NT Manuale di manutenzione - Pagina 3
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2) After hooking the drill to the tractor and attaching hydraulic hoses, raise the drill up
to maximum height and hold the hydraulic lever in the detent for 30 seconds, to allow
the cylinders to rephase. This procedure will remove any air in the system allowing
the drill to raise and lower evenly. The rephasing procedure should be repeated
several times a day to ensure that the drill continues to lift evenly. Remove the
transport locks. This procedure will remove any air in the system allowing the drill to
plant even. After finishing each field it is best to do this procedure to keep the drill
running level in the planting position.
3) Leveling the drill.
A) Lower the 605NT drill to the ground and hold the hydraulic lever until the wheel
cylinders are completely retracted. At this point, walk to the side of drill and
visually check to see if the drill box lid and frame is parallel to the ground, if not
adjust the turnbuckle on the tongue until the drill lid or frame is level.
B) Lower the 3P605NT and pull ahead at field speed. The bench setting is 24 ¾
inches from the opener mount tube to the ground. This is a bench setting and
will change as the coulters are raised or lowered. Changing of this
measurement is normal and necessary to maintain proper coulter depth. The
drive wheel may need adjusting due to ground conditions. Check to see if the
top of the grain box is level with the ground, if not, adjust the center link on
the tractor.