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To replace the table inserts:
• Remove the 3 or 4 cross-head screws that secure one of the
inserts to the rotary table.
• Lift the insert from the table.
• Remove any debris that may have accumulated under the insert.
• Fit the replacement insert, and replace the three fixing screws.
• Repeat the process for the other side.
• Check that all 6 or 8 fixing screws are tightened securely, and
that both inserts are lying flush and level within the table.
Tensioning / replacing the drive belt
WARNING: Only attempt these procedures with the machine
disconnected from the power supply.
Tensioning the belt:
• To gain access to the transmission case remove the plastic
case cover by unscrewing the two (2) cross head screws
which hold it in place. (Fig. 46)
• Loosen the four (4) socket headed screws which secure the
motor in place. (Fig. 47)
• The tensioning screw (Fig. 48) is accessed through a hole in the
rear of the aluminum transmission case.
• Use a Hex Key to turn the adjustment screw in the
required direction, clockwise to increase the tension,
counter-clockwise to reduce the tension.
• The belt should be fairly taut over the two drive pulleys,
with approximately 6mm deflection detectable at the
midpoint between the pulleys.
• Place a finger underneath the drive belt and gently push
upwards to discern the tension. (Fig. 49)
• When the belt tension is correct, tighten the four (4) socket
headed screws and replace the transmission case cover.
Replacing the belt:
• Follow the first two instructions from belt tensioning above.
• Remove all tension from the motor by turning the tensioning
screw counter-clockwise.
• Remove the drive belt.
• Thread a new drive belt onto the two pulleys, ensuring that
the 'V's' in the belt fit into the 'V's' machined in the pulleys,
and that the belt fits fully across the width of both pulleys.
• Tension the belt as previously described above.
• Replace the transmission case cover.
Fig. 46
Fig. 47
Fig. 48
Fig. 49
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