Komatsu Galeo PC138US-8 Shop Manual page 312

SEN02553-01
Fuel level sensor
1. Connector
2. Float
3. Arm
4. Body
Function
This sensor is installed on the side face of the fuel tank. The float moves up and down according to the
q
fuel level.
The float moves the variable resistor through the arm. The resistance changes according to the operat-
ing angle and signal voltage is generated from the source voltage according to the change of the resis-
tance.
54
10 Structure, function and maintenance standard
5. Spring
6. Contact
7. Spacer
PC138US, USLC-8