Eaton KA349WE Installation Instructions Manual

Also see for COOPER POWER SERIES: Installation and operation instructions Installation instructions Installation instructions Installation and operation instructions Operation instructions

Contents

Eaton KA349WE Installation Instructions Manual Manual pdf 12 page image

8Mercury switch to Microswitch retrofit kit kA349we instAllAtion instructions MN280022EN October 2015Install microswitches SW1 and SW 3 and new switchcamPreparing main shaft1. Block mechanism with a screwdriver or other device toprevent plungers from descending into main contactswhen tension is relieved (Figure 19).Figure 18. Mechanism blocked with screwdriver.2. Detach large lower spring (Figure 20) to relieve tensionon operating mechanism.Figure 19. Spring attachment in lower part ofmechanism.3. Remove and discard two large retaining E rings frommain shaft (Figure 21).4. Remove the machine screw, spacer, and nut thatconnect the main shaft to closing contactor toggle.Figure 20. Items to remove on main shaft.5. Use punch to remove roll pin holding old SW1 cam.Discard roll pin. (Figure 21).6. Remove large roll pin to free shaft. Save roll pin.7. Slide main shaft aside to gain clearance for removingold microswitch cam. Note orientation of cam on shaft.Remove and discard cam.Install new cam for SW11. Slide new switch cam (Item 15) onto main shaft. Orientcam as shown in Figures 22 and 23.Figure 21. Orientating cam for switches SW1 and SW3.Figure 22. Cam installed. Note position of spring androll pins.2. Reinsert main shaft into frame.3. Use new spring pin (Item 17) from kit to secure cam onmain shaft.4. Reinsert the saved, large roll pin.5. Attach two new E rings (Item 16) to main shaft.6. Reinstall machine screw, spacer, and nut connectingmain shaft to closing contactor toggle.Large roll pin Main shaft Spring pin CamPush downto position switchbefore tighteningSpring PinCavityAttach cable leads toCommon and Open terminals(both switches)Switch SW1MountingbracketRotarySolenoidFrameSlotted HoleCam flat nearest framefaces up toward switchSwitch SW3 on far side of bracketOld switch SW1 cam Closing contactor toggleE ringMain shaft Large roll pin