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Old 07-24-2012, 11:21 PM
bob91343 bob91343 is offline
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It's not clear what sort of capacitor you are discussing. If they are chassis mounted with tabs,the cardboard is simply insulation and is usually glued on. If they are lead mounted tubular capacitors, there is more than one kind of construction. What brand and style are these units? Can you take a picture?
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Old 07-24-2012, 11:43 PM
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Mars777 Mars777 is offline
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Sorry bob91343, I should have been more specific.

They are just regular aluminum electrolytics with twist tabs on the bottom. Then they slid cardboard over them because touching the aluminum case could give you a shock as it is bus ground not chassis ground.
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Last edited by Mars777; 07-24-2012 at 11:46 PM.
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Old 07-25-2012, 12:01 AM
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Phil Nelson Phil Nelson is offline
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I have seen cans like that held on by tar. Took a heat gun and patience, but the stuff eventually softened up enough to pull off the cardboard.

As a last resort, you can slit the cardboard on one side with a razor blade to ease removal. When reinstalling, glue the tube back together and put the seam on the least visible side.

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