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HYDRAULIC CIRCUIT
CASE TRAINING CENTER
AUGUST 2000
Circuit for Breaker & Crusher (Breaker Circuit)
When the switch in the cab is turned towards the breaker side and the pedal is stepped forward, pilot
pressure is detected by the pressure switch, then the engine falls to the preset revolution by the controller.
The pilot pressure entered at 5a4 of the control valve, change over the auxiliary spool while the discharged
oil from A2 is supplied to the breaker through the direction valve.
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