Eaton AMPGARD Installation, Operation And Maintenance Instructions

Contents

14Instruction Booklet IB48050Effective September 2012Instructions for installationoperation and maintenance of theAMPGARD 15 kV 300A vacuum startereaton Corporation www.eaton.comDisconnect by Removing Pin in Clevis of Drive RodFigure 31. Isolation Switch Drive RodBolts (2) Securing Removable to Fixed Portion of SwitchFigure 32. Bolts Securing Isolation SwitchThe fixed portion of the switch including the isolating shutterremains in the controller Medium voltage may be present at theline fingers behind this shutter Before attempting to inspect theline fingers or do other work on the fixed portion of the switch,ensure that the controller incoming power is isolated andlocked out at an upstream feeder.With the incoming power locked out, the fingers can be inspectedand the vertical bus connections checked for tightness Removethe polyester barrier mounted immediately below the switch foraccess to the vertical bus connections (refer to Figure 33) Verifythe operation of the shutter mechanism by gently pushing it to theleft It should spring back to the closed position when releasedm Dangerfailure to lock out incoming power before servicing thefixeD portion of the switch or the vertical bus can resultin equipment Damage, severe injury, or Death.Remove Barrier for Access to Vertical Bus Connections(incoming power must be locked out first)Shutter“Barber Poles”(3) VisibleWhen Shutteris ClosedFigure 33. Fixed Isolation SwitchReinstallation is the reverse of the procedure above Verify that theshaft of the removable portion of the switch is rotated to the fullyopen position before reinstallationm Dangerif the switch is inserteD with the shaft in the closeD position,the shutter may be forceD open anD live parts may becontacteD, resulting in severe injury or Death.

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