Komatsu PC88MR-10 Shop Manual page 322

10 Structure and function
Sensor
Function
(PC88MR-AD41-042-K-00-A)
This sensor is installed on the side surface of the fuel tank.
This sensor detects the fuel level and converts it into an electric signal, and outputs the corresponding
signal.
The float moves up and down corresponding to the fuel level.
The movement of the float activates the variable resistor through the arm.
Hydraulic oil temperature sensor
1. Connector
2. Plug
3. Thermistor
Function
(PC138-PMT1-042-K-00-A)
This sensor is installed to the suction piping of the main pump and outputs a resistance change signal of
the thermistor for the temperature change.
Front pump oil pressure sensor
1. O-ring
2. Sensor
3. Connector
Function
(PC138-C3WJ-042-K-00-A)
This sensor is installed to the control valve, senses the main pump pressure, and outputs it as a variable
voltage.
10-244
(PC-PMT1-041-K-00-A)
(PC228-C3W4-041-K-00-A)
PC88MR-10