Komatsu PC88MR-10 Shop Manual page 321

Crankcase pressure sensor
1. Connector
2. Sensor
3. O-ring
Function
(ENG95-A18C-042-K-00-A)
This sensor is installed to the breather top, senses the crankcase pressure (blowby pressure), and outputs
it as a variable voltage.
Fuel level sensor
1. Connector
2. Float
3. Arm
4. Body
5. Spring
6. Contact
7. Spacer
PC88MR-10
(ENG-A18C-041-K-00-A)
(PC88MR-AD41-041-K-00-A)
10 Structure and function
Sensor
10-243