GREAT PLAINS 3000TM Manuale di regolazione - Pagina 5

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Hydraulic Down Pressure Adjustment: (1200TM,
1500TM, 1800TM, 2400TM, 3000TM)
Note: This setup procedure is for tractors with closed
center pressure compensated or pressure and flow
compensating hydraulic systems. Open center
hydraulics are NOT SUPPORTED.
1) With the machine unfolded, engage the fold/unfold
hydraulics for continuous flow (unfold position).
2) From the tractor cab, adjust the hydraulic flow so
the needle on the bypass gauge is in the green zone
1000-1500 psi (8).
Note: The faster the flow of oil
through the system the greater the potential for oil
heating, premature wear or tractor damage.
3) At the valve, adjust the valve (9) to set the initial
down pressure. This is usually set at 300-400 psi (do
not exceed 800 psi).
During field operation, if the wings are running too
high, increase the pressure setting to help level the
machine. If the center of the machine is running too
high, decrease the pressure setting.
Hydraulic Down Pressure Adjustment: (3500TM)
Note: This setup procedure is for tractors with closed
center pressure compensated or pressure and flow
compensating hydraulic systems. Open center
hydraulics are NOT SUPPORTED.
1) With the machine unfolded, engage the fold/unfold
hydraulics for continuous flow (unfold position).
2) From the tractor cab, adjust the hydraulic flow so
the needle on the bypass gauge is in the green zone
1000-1500 psi (10).
Note: The faster the flow of oil
through the system the greater the potential for oil
heating, premature wear or tractor damage.
3) At the valve, adjust the valve (11) to set the initial
down pressure. This is usually set at 300-400 psi (do
not exceed 800 psi).
During field operation, if the wings are running too
high, increase the pressure setting to help level the
machine. If the center of the machine is running too
high, decrease the pressure setting.
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