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Oil-Less Claw Medical Vacuum


           Appendix B: Variable Speed Drive Inverter



           B.6  Inverter Replacement


                             WARNING:
               Before starting inverter replacement,
               switch power off , wait for at least 10
               minutes, and then check the voltage
               with a tester and such to ensure
               safety.


           The inverter can be replaced with the control circuit wiring kept connected.  Before replacement, remove
           the wiring cover of the inverter.

           1.  Loosen the two installation screws in both ends of the control circuit terminal block.  (These screws
              cannot be removed.)  Pull down the terminal block from behind the control circuit terminals.



















           2.  Using care not to bend the pins of the inverter’s control circuit connector, reinstall the control circuit
              terminal block and fi x it with the mounting screws.
































           4107 9000 95.04                                 B-28
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