Sharp V-1 General & Electrics Manual page 64

SHARP
4.6.12 CHANGE SPINDLE SPEED
Start the spindle and turn the spindle override button to change the spindle speed.
WARNING !!!
Do not change the spindle speed when the spindle is stationary.
4.6.13 SPINDLE BRAKE
Move the spindle brake lever 5 front or back can stop spindle.
WARNING !!!
Do not use the spindle brake unless turn off the spindle motor. Also, ensure
that the spindle brake is released before starting the motor. Otherwise might
cause serious accident.
V-1 KNEE MILL GENERAL MANUAL
CH4-15 KRDM24C0 V4.0S