Product OverviewFigure 31. Throttle lever 8. Cutting wheel2. Hour meter 9. Belt cover3. Cyclone air filter 10. Lift4. Choke 11. Fuel cap5. Fuel valve 12. Parking brake6. Sediment cup 13. Safety bail7. Starter 14. HandleControlsBecome familiar with all the controls (Figure 3 and Figure 4)before you start the engine and operate the machine.Throttle LeverThe throttle lever controls engine speed. With the lever down,in the DISENGAGE position, the engine runs at idle. This isalso the starting position. When the engine speed increases,to the ENGAGED position, the centrifugal clutch engages andthe cutting wheel rotates.Figure 41. Throttle—Disengageposition2. Throttle—EngagedpositionParking BrakeThe parking brake holds the left wheel from turning to securethe machine and for easy movement of the machine from sideto side when grinding the stump.G014632Figure 51. Pull back to engage brakeHour MeterWhen the engine is off, the hour meter displays the numberof hours of operation that have been logged on the machine.7