Control Panel; Speed Variation; Switching The Machine On; Switching Off The Machine - Optimum OPTI drill DQ 20V Operating Manual

4.2

Control panel

Push button ON
The push button "ON" switches on the rotation of the drilling spindle.
Push button Off
The "push button OFF" switches the rotation of the drilling spindle off.
Machine light switch
Switches the machine light on or off.
4.3

Speed variation

Speed adjustment hand lever
ATTENTION!
Changing the speed while the drill spindle is stationary will damage the variable speed
gear. Always change the speed only when the drill spindle is turning.
The drilling machine has a motor with a continuously variable mechanical transmission. With
the infinitely variable V-belt drive, the V-belt is positioned to the required V-belt diameter with
the hand lever (15) while the drill spindle is rotating. This changes the speed. The lower the
spindle speed during adjustment, the more difficult it is to turn the hand lever.
4.4

Switching the machine on

INFORMATION
As long as the drill chuck guard is not closed, the bench drill cannot be started.

Set the height of drill chuck guard and close the drill chuck guard.

Switching the machine on
4.5

Switching off the machine

CAUTION!
Only press the emergency-stop button in a genuine emergency. A normal stopping of the
machine must not be carried out with the emergency stop switch.

Actuate the push button "OFF".

Pull the plug for a longer-term standstil.
4.6

Spindle quill feed

CAUTION!
Risk of impact by the spindle sleeve lever upon completion of the drilling feed. The
return spring biases and discharges the stored energy.

Move the sleeve downward by means of the spindle sleeve lever. The sleeve is returned to
its initial position by means of the spring force.
Operation
Version 1.0.1 - 2021-05-11 Translation of original instruction
DQ20V EN
57