Starrett S8010 Manual De Instruccion página 119

The HIGH (HI) speed is recommended for drilling wood and wood composites.
The use of this speed range is indicated for use abrasives and polishing
coupled with accessories.
FIG 07
WARNING: AVOID working with Drill / Driver in the LO speed for long
periods of time.Working under this condition constantly may cause the
ADJUSTABLE TORQUE CHUCK:
FIG 08
TWO SPEED GEARBOX SWITCH
machine to overheat.
FIG.11
KEYLESS
CHUCK
(slide switch)
position: LOW SPEED (LO)
position: HIGH SPEED (HI)
RELEASE
GRIP
ENGLISH
S8010 119