OPTIMUM
M A S C H I N E N - G E R M A N Y
Operation
Version 1.0.1 dated 2015-05-27
Page 33
Original operating instructions
TU3008 | TU3008V
GB
In order to change the speed or
the speed range, you must first
remove the protective cover.
Pull the power plug.
Unscrew the two fastening
screws.
Remove the
protective cover.
Img.4-2:
Protective cover of the headstock
Img.4-3: Transmissions and V-belt pulleys
4.7.2 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 relevant position.
Fastening screws
Interlock switch
Tension pulley holder with
tension pulley
Pulleys
of primary transmission
Synchronous belt
Motor pulley
Spindle pulley
Change gears on
quadrant
Synchronous belt transmis-
sion
Motor pulley
Nut of tension pulley holder
Tensioner
V-belt