MARKER 2000
Operating manual - English
38
Copyright Silca 2002
9.5
Replacing the belts and adjusting tension
If the top of the machine begins to vibrate, check the condition and tension of the belts, as follows:
1) turn off the master switch and remove the plug.
2) remove the upper cover (ch.9.4) and place next to the machine, without disconnecting the wiring to
the display.
Adjusting tension on the Y axis belt
3) loosen the screws (T) securing the motor support, loosen the nut (Z1) and adjust the belt-tightening
pulley (Z).
Adjusting tension on the X axis belt
4) loosen the nut (R1) and adjust the belt-tightening pulley (R).
R
EPLACING THE Y AXIS BELT
1) turn off the master switch and remove the plug.
2) remove the upper cover (ch.9.4) and place next to the machine, without disconnecting the wiring to
the display.
3) remove the screw (V) and block (V1).
4) loosen the belt-tightening pulley (Z) and remove the belt.
5) remove the two screws (T) securing the Y axis motor support and remove the whole unit (motor and
support).
6) place the new belt in position and replace the motor unit, taking care that the pulley is housed on
the inside of the belt. Do not tighten the screws (T) fully.
7) replace block (V) and screw (V1).
8) adjust belt tension by screwing the belt-tightening pulley (Z) then tighten the motor securing screws
(T) all the way.
9) replace the upper cover (Q).
Fig. 34
T
T
rear view
view from above
Z
Z1
Z
R
R
1
V
X axis belt
Y axis belt
V
1
R
2
Содержание MARKER 2000
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