How to adjust for pentagonal turret of vertical lathe?
Handle "A" of vertical lathe should be carried to the upward position when cutter is working.
When swing pentagonal head of vertical lathe changes the cutter to the next position, should carry down the handle "A" as per the arrow direction in the drawing, rotate the pentagonal head of vertical lathe using the handle "A". Handle rotates for each circle, pentagonal head swings for 1/5 circle. After switching the pentagonal head to the next position, push the handle "A" upward, off center cam "B' presses tightly the washer "C", so as to pentagonal head has an orientation in the new position and presses tightly.
After the off center cam "B' and the washer "C" have an abrasion, loosen the screw "E", rotate the cover "D", which can adjust the required pressure when pressing the pentagonal head tightly.

