Eaton IZM20 Manual

Effective August 2010 2C14998H0108/10 AWA1230-2579IZM20/IZM32 ShuttersIZM-SH203/IZM-SH204and IZM-SH323/IZM-SH324m warning(1) Only qualified electrical persOnnel shOuldbe permitted tO wOrk On the equipment.(2) always de-energize primary and secOndarycircuits if a circuit breaker cannOt beremOved tO a safe wOrk lOcatiOn.(3) drawOut circuit breakers shOuld beremOved frOm their cOmpartments.(4) all circuit breakers shOuld be switchedtO the Off pOsitiOn and mechanism springsdischarged.failure tO fOllOw these steps fOr allprOcedures described in this instructiOnleaflet cOuld result in death, bOdily injury,Or prOperty damage.m warningthe instructiOns cOntained in this awa and OnprOduct labels have tO be fOllOwed. Observethe five safety rules:– discOnnecting– ensure that devices cannOt beaccidentally restarted– verify isOlatiOn frOm the supply– earthing and shOrt-circuiting– cOvering Or prOviding barriers tOadjacent live partsdiscOnnect the equipment frOm the supply.use Only authOrized spare parts in the repairOf the equipment. the specified maintenanceintervals as well as the instructiOns fOrrepair and exchange must be strictly adheredtO prevent injury tO persOnnel and damagetO the switchbOard.Section 1: General informationCassette safety shutters are optional automaticallyoperated insulating type safety shutters for usewith a drawout cassette. When the drawout circuitbreaker is levered (racked) from the CONNECTposition, the shutters automatically close to coverthe fixed primary contacts. When the circuitbreaker is levered (racked) into the cassette, theshutters automatically open, permitting primaryconnections to be made.Required tools• 10 mm socket and drive (M6 hex nut)• 10 mm wrench (M6 x 30 screw)• External retaining-ring tool (suggested forM12 E-clip)• Small Phillips head screwdriver(M4 x 10 screw)• Slotted screwdriver (link mounting screw)• Small crescent wrench for M4 nutFigure 1. External Retaining-Ring Tools