Eaton KA349WE Installation Instructions Manual

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Eaton KA349WE Installation Instructions Manual Manual pdf 13 page image

9Mercury switch to Microswitch retrofit kit kA349we instAllAtion instructions MN280022EN October 2015Install microswitches SW1, SW31. Attach the new SW1 and SW3 microswitch assembly(Item 2) to frame using screws (Item 11), larger, roundspacers (Item 10), external tooth lockwashers (Item 13),and stop nuts (Item 12), (Figure 24). Do not tighten atthis time.Figure 23. Attach SW1/SW3 microswitches to frame.2. Gently push switch assembly down until hearing a clickas switch SW3 contact meets cam and closes. Secureswitch in position at which click is heard (Figure 22).Attach cable leadsAttach leads from cables switch SW1 and SW3 as describedin the steps outlined below. On both switches, connect onelead to the end terminal marked common and one lead tothe middle terminal marked open (Figure 24).1. Attach leads of the short microswitch cable originallyremoved from old switch SW1 to new switch SW3.2. Attach leads of shorter cable in kit (Item 9) to newswitch SW1.3. Route SW1 and SW3 cables to terminal block (Figure25).4. Secure cables with plastic cable tie (not supplied) andplastic cable retainer (Item 1) from kit. Use existinghardware to attach new cable retainer in the sameposition used by the old one.5. At the terminal block, make the following connections(refer to Figures 5 and 27 for terminal identification):A. Switch SW1, connect leads to terminals C and D.B. Switch SW2, connect leads to terminals F and N.C. Switch SW3, connect leads to terminals A and N.Figure 25. Terminal block connections.6. Verify the following connections to terminal block are inplace:A. Rotary solenoid leads connected to terminals E andF.B. Trip solenoid leads connected to terminals A and B.Complete installation1. Reconnect the large spring in lower portion ofmechanism (Figure 20).2. Remove blocking mechanism (Figure 19).3. Reconnect contact bar. Make sure to reinstall allwashers or spacers that may have been removed whendisconnecting it (Figure 23).4. Check work and ensure all fasteners are tight. Inspectmechanism for loose parts; if found, remove them.5. Test switches as outlined in the Testing section.6. Follow procedures in appropriate maintenance manualto tank recloser and return it to service.COMMONCLOSEDCLOSEDOPENCOMMONOPENSlotted hole ofbracketSwitch SW3Machine screwSpacerFrameExternal toothlockwasherSwitch SW1Stop NutTorque to18-20 in-lbsCableSwitch SW2 Switch SW1Switch SW3RotarySolenoidTripSolenoidABCDEFNFigure 24. Microswitches SW1 and SW3 in place.

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