Control and operation
Operating manual
Setting the machine into operation
stalled), S100-5 or S100-6 (optional). For location of emergency stops, refer to section «Electrical system» in chapter 5 of this manual. In the two cases: The main circuit breaker Q2A opens. The low voltage system (heater, air conditioning, batteries charger, etc.) is disconnected. The electric motor is stopped. If the machine has a 45° access ladder, the ladder is automatically lowered when an emergency stop is operated. For machines with option «Vessel - excavator data link», if you push an emergency stop: The machine sends the information «Remote trip to CB» to the vessel. Caution! Use this shut off method only in emergencies.
After a shut down via an emergency stop button, you must unlock it before attempting to restart.
Fig. 3-70 S73
Safety control buttons S73 and S74 for hydraulic pumps
Pumps power safety control
S74
Pumps flow safety control
Pumps power safety control During normal operation of the excavator, the electronic horsepower control continuously adjusts the pump flow to the pressure level of the working circuits. If a trouble occurs in the circuit of the regulator, the pumps are swivelled back to minimal flow.
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MJFCIFSS
R 9250 E / 10360689
LEC/en/Edition: 12 / 2020
Safety controls for hydraulic pumps