Eaton 380 VCP-Wind Instructions For The Use, Operation And Maintenance

Contents

I.B. 70A2580H02 Page 31Effective November 2012The recommendations and information containedherein are based on Eaton experience and judgment,but should not be considered to be all-inclusive orcovering every application or circumstance which mayarise. If further information is required, you shouldconsult Eaton.Testing Procedures: Assuming that the breaker issafely pulled out to the Test/Disconnect position in theenclosure or placed on the workbench, follow thisprocedure to perform the CloSure TM Test. For furtherinstructions on disconnecting the circuit breaker consultSection 4 of this manual. If the enclosure is equippedwith the MOC operating in the test position also, makecertain that the MOC is connected to operate.Step 1 - On the front cover identify the status indicators.MAKE SURE THE CLOSING SPRING STATUSINDICATES “Discharged” AND THE MAINCONTACT INDICATOR SHOWS “Open” (Figure 6-3).Step 2 - Remove the circuit breaker front cover. Be sureto save the original fasteners for reassembly.Step 3 - Cut a piece of one inch wide drafting/maskingtape approximately 8 to 10 inches long.Step 4 - Place the tape around the cam starting from thebottom up. Make certain that the tape adheres well tothe cam surface. (See Figures 6-4, 6-5 and 6-6).Step 5 - Mount the transparent CloSure TM Test Toolwith two bolts and washers. Refer to Figures 6-17, 6-18and Table 6.3 for appropriate mounting holes. Handtighten the bolts (Figures 6-7, 6-8, 6-17 and 6-18).Step 6 - A Sanford ® Sharpie ® black fine point permanentmarker, item no. 30001, is recommended for this nextstep. Place the marker tip in the proper hole (“C”). Referto Figure 6-17 and make a heavy mark on the tape asshown in Figure 6-10.Figure 6-6 Attaching Tape Around to Back of CamStep 7 - Charge the closing springs with themaintenance tool. Continue charging the closingsprings until a “click” is heard and the status indicatorshows “Charged” (Figure 6-9).Step 8 - While holding the marker tip on the tape,close the breaker (Figure 6-10).Step 9 - Move the marker back and forth horizontallyapproximately 15 o in both directions to create a lineon the tape that identifies the closed rest position(Figures 6-11, 6-12 and 6-13.Figure 6-7 Attaching CloSure TM Test Tool at Hole “A”Figure 6-8 Attaching CloSureTMTest Tool at HPole “B”Figure 6-9 Manually Charging Closing Springs