Changing The Speed Or The Speed Range; Fixing The Lathe Saddle; Automatic Feed Engaging Lever - Optimum Optiturn TU 2506VB Betriebsanleitung

4.7.1

Changing the speed or the speed range


Loosen the nut on the tension pulley holder and unwind the V-belt.

Lift the V-belt to the other position.
Nut of tension pulley holder
Spindle pulley
Tension pulley
V-belt
Motor pulley
Img.4-3: Tighten the V-belt

Retighten the tension pulley and fasten the nut again.
The correct tension of the V-belt is achieved, when the V-belt can be pressed down about

3mm with the forefinger.
ATTENTION!
Make sure that the tension pulley has contact always only on the outside of the V-belt.
Make sure the tension of the V-belt is correct. Excessive or insufficient tension may
cause damage.
4.8

Fixing the lathe saddle

ATTENTION!
The cutting force produced during facing, recessing or slicing process may displace the lathe
saddle.

Secure the lathe saddle using the tightening screw.
Img.4-4: Lathe saddle
4.9

Automatic feed engaging lever

ATTENTION!
Damage to mechanical parts. The automatic feed is not designed to move onto
mechanical stops or the mechanical end of the headstock.
EN TU2506VB
122
A
B
A
Tightening screw
(Hexagon key)
Translation of original instruction
A B
150 - 1250 300 - 2500
Version 1.0 - 2020-12-22
Operation