Service Brake Pressure Sensor; Parking Brake Pressure Sensor - Hitachi ZW180 Technical Manual

SERVICE BRAKE PRESSURE SENSOR

This sensor detects brake pressure necessary for the
service brake. The sensor is installed in the service
brake circuit of the charging block and detects oil
pressure of the service brake accumulator.
1 - Ground
2 - Output

PARKING BRAKE PRESSURE SENSOR

This sensor detects brake pressure necessary for the
parking brake. The sensor is installed in the parking
brake circuit of the charging block and defects the oil
pressure of the pilot accumulator.
5 - Pressure Receiving Area
(Diaphragm)
6 - Ground
COMPONENT OPERATION / Charging Block
3 - Power Source (5V)
4 - Pressure Receiving Area
(Diaphragm)
7 - Output
8 - Power Source (5V)
1
2 3
5
T3-7-12
4
T4GB-03-06-012
6 7 8
T176-03-01-023