Operating manual - English UNOCODE 299
Copyright Silca 2002 17
4.7 INVERTING THE PULLEYS
This operation must be carried out when the operator intends to use a hard metal carbide cutter
(optional), in order to adapt the cutter speed to the new characteristics of the cutter’s material.
Fig. 18
1) turn the machine off and disconnect the power supply cable.
2) remove the back and bottom metal panel (ch.7.8 and ch.7.9, page 50).
3) loosen the 4 motor locking screws (W) (fig. 18) and remove the belt.
4) loosen the 2 grub screws securing the pulley and remove it from the motor shaft.
5) fit the cutter shaft locking rod and use the allen key provided to loosen the screw (A1) and grub screws
(A2) on the pulley (fig. 19).
6) invert the pulleys and secure them by tightening the grub screws, fit the screw and washer on the cutter
shaft.
7) remount the belt and adjust its tension (ch. 7.4, page 46).
8) remount the back and bottom metal panel.
9)
enter the ‘cutter material’ function in
Ch.5.7 "Options [6]", page 36,
and alter the speed
.
Fig. 19
W
cutter shaft
motor shaft
A1
A2
for HSS cutter
for carbide cutter
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