Komatsu ecot3 PC300LC-8 Shop Manual page 288

SEN01998-05
9. System component parts
1) PPC oil pressure switch
1. Plug
2. Switch
3. Connector
Specifications
Type of contacts: Normally open contacts
Operating (ON) pressure:
0.5 ± 0.1 MPa {5.0 ± 1.0 kg/cm
Resetting (OFF) pressure:
0.3 ± 0.05 MPa {3.0 ± 0.5 kg/cm
Function
q The junction block has 6 PPC oil pressure
switches.
q This sensor detects the operating condition of
each actuator by the PPC pressure and trans-
mit it to the pump controller.
30
10 Structure, function and maintenance standard
2
}
2
}
PC300, 350-8