Komatsu Galeo PC800-8 Shop Manual page 245

10 Structure, function and maintenance standard
Component
Fuel control dial
1. Knob
2. Dial
3. Spring
Function
• A potentiometer is installed under the knob. As
the knob is turned, the potentiometer shaft is
turned.
• As the potentiometer shaft is turned, the resist-
ance of the variable resistor in potentiometer (5)
changes and a throttle signal is sent to the en-
gine controller.
• The hatched area in the graph shown at right is
the abnormality detection area.
PC800, 850-8
4. Ball
5. Potentiometer
6. Connector
SEN00386-03
3