Optimum OPTI turn TU 3008G Operating Manual page 32


Loosen the clamping screws on the quadrant.

Install the gear couples using the feed or change gear table and screw the gearwheels onto
the quadrant again.

Swing the quadrant to the left until the gearwheels have engaged again.

Re-adjust gear flank clearance by inserting a normal sheet of paper as an adjusting or
distance aid between the gearwheels.

Immobilise the quadrant with the locking screw.

Attach the protective cover of the headstock and reconnect the machine to the power
supply.
GB TU3008G
32
Img.4-6: Attachment of change gears
Translation of original instruction
Clamping bolts
Version 1.1.6 - 2021-9-17
Operation