Verifying free speed
Required tools:
Face spanner
Tachometer
Instructions
Press the spindle lock button forward and keep it pressed while tightening the adapter using a face spanner.
Connect the tool to the air supply.
Put a tachometer in the spindle hole.
Start the tool and measure the speed at a pressure of 6.3 bar.
Make sure that the throttle lever is pressed down to the bottom and measure the speed for at least 1 minute
Remove the tachometer.
Verify the free speed on the tachometer with the speed marked on the tool.