Eaton KA349WE Installation Instructions Manual

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Eaton KA349WE Installation Instructions Manual Manual pdf 8 page image

4Mercury switch to Microswitch retrofit kit kA349we instAllAtion instructions MN280022EN October 2015Remove microswitch switch SW1otee:N SW1 refers to the switch position. The existingmicroswitch is removed from the switch SW1position and reinstalled in the switch SW2 position.1. Loosen switch SW1 terminal screws and detach cablewire (Figure 5).Figure 5. Terminal and mounting screws on switch SW1.2. Remove hardware holding SW1 mounting plate toframe. Lift plate from frame. Save nut and lockwasher.3. Remove hardware holding switch to mounting plate.Save hardware and switch for later use. Discardmounting plate.4. Remove and retain cable from switch.Remove mercury switch SW3WARNINGHazardous material. Do not open mercury switches orcome in direct contact with switches exhibiting anysign of mercury leakage. Exposure to mercury can causeserious health problems. T281.01. Use a punch to drive out the roll pin that is holdingswitch SW3 and mounting block to main shaft (Figure6). Discard roll pin.2. Remove mounting block and attached switch assembly.Remove and discard mounting block. Dispose ofmercury switch following local hazardous wasteprocedures.IMPORTANTSW2 and SW3 switches contain mercury. Dispose of theseswitches in accordance with all federal, state, and locallyapproved mercury disposal guidelines and regulations.Figure 6. Removing switch SW3 from main shaft.Figure 7. Springs and retaining pins.Remove mercury switch SW2WARNINGHazardous material. Do not open mercury switches orcome in direct contact with switches exhibiting anysign of mercury leakage. Exposure to mercury can causeserious health problems.T281.0Remove springsotee:N Position of existing spacers and washers.1. Detach and discard two C rings from spring retainingpin at outer frame (Figure 7). (Oil-interrupting unit withtwo spacers shown. Vacuum units have no spacershere.)2. Slide spring retaining pin aside until able to detach thetwo large springs from the spring retaining pin.3. Detach the upper small spring from the retaining pin inthe handle shaft assembly as shown in Figure 7.4. Remove and discard two C rings from the retaining pin.5. Remove and save retaining pin.6. Detach the two, small lower springs from retaining pinmarked ‘pin’ in Figure 7.7. Remove and retain the two spacers and pin.!!Screws holding mountingplate to frameMounting plateSwitch SW1 CamScrews holdingmicroswitch tomounting plateMercury SwitchCableTerminal screwsLower two small springs, detach hereUpper small spring, detach hereHandle ShaftMercury SwitchSpring retaining pin, stip 1Two large springs, attachedto spring retaining pinSpacersC RingPinSpacersSwitch SW3Roll pinMounting block