5 - 1
Section C Electrics
9803/6410
Section C
5 - 1
Issue 1
Pump Control
Schematic
Current is sent to electromagnetic proportional pressure reducing valve of the pump in each mode to control pump flow rate.
In the H mode, engine RPM is raised and current value is variable between Imax and Imin. This utilises maximum output of the
engine.
The S,L, and F modes have fixed current values.
Current value of each mode
Mode H S L F
Machine
Imax Imin IS IL IF
Type
JS130 495 mA 300 mA 305 ± 20 mA 0 + 10 mA 0 + 10 mA
JS160 520 mA 325 mA 330 ± 20 mA 0 + 10 mA 0 + 10 mA
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