TM 5-3805-258-24-1OPERATOR’S STATIONINDIVIDUAL CIRCUIT DESCRIPTIONSYSTEMS OPERATIONB. Low Brake Oil PressureThe brake oil pressure circuit is activated by either one of the two switchesconnected in series. The 7V5647 Switch opens when the travel (mechani-cal) of the brakes activate the switch. When the switch is activated thebrake oil pressure indicator on the operator’s panel turns ON. The opera-tor panel also sends current to turn ON the master fault light and, if thefuel pressure switch is open (engine running), sends current to activate thefault alarm.The brake oil pressure circuit connects to Pin 12 of the operator panel. Pin11 of the operator panel goes to the master fault light and Pin 10 goes tothe fault alarm.LOW BRAKE OIL PRESSURE SWITCH1. Brake oil pressure switches.LOW BRAKE OIL PRESSURE INDICATOR2. Brake oil pressure indicator.3-158
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