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REMNANTS OF THE OLD FOAM CAN BE REMOVED BY SCRAPING WITH YOUR THUMBNAIL, OR WITH THE BACK EDGE OF THE KNIFE. ONCE THE BULK OF THE OLD SURROUND IS REMOVED, LIGHT SANDING WITH COARSE SANDPAPER
WILL HELP TO REMOVE THE REMAINDER. A BIT OF A RUBBERY TEXTURE MIGHT REMAIN. THIS IS OK. DO NOT SAND INTO THE CONE! AN ALCOHOL SWAB IS ALSO USEFUL FOR GETTING THE EXCESS GLUE OFF THE FRAME. ONCE THE CONE AND FRAME ARE CLEAN, IT IS TIME TO INSERT THE SHIMS THAT WILL HELP KEEP THE CONE ASSEMBLY ALIGNED WHILE ATTACHING THE NEW SURROUND. WHEN CUTTING INTO THE DUST CAP, BE VERY CAREFUL NOT TO CUT INTO THE CONE, VOICE COIL, FORMER, OR ANYTHING THAT MIGHT BE UNDER THE CAP, SUCH AS THE VOICE COIL LEADS. CUT ONLY AS DEEP AS NECESSARY TO CUT AN X or * INTO THE CAP, STARTING IN THE CENTER OF THE CAP AND CUTTING OUTWARDS. ONLY CUT PARTWAY AT FIRST & THEN LOOK UNDER THE CAP TO CHECK, IF YOU AREN'T SURE HOW FAR YOU CAN CUT SAFELY! NOTE THAT CUTTING AN X or * MAKES LITTLE FLAPS TO HOLD ONTO AS YOU NEXT CUT AROUND THE CAP'S EDGE, FREEING IT FROM THE CONE. CUT A LITTLE BIT ABOVE THE CAP'S FLANGE, OR GLUE LINE (WHEN THE CAP DOESN'T HAVE A FLANGE). DO NOT TRY TO CUT TOO CLOSELY TO THE FLANGE, AND NEVER BETWEEN THE CAP AND THE CONE! THAT IS: LEAVE THE FLANGE ON THE CONE! NOTE THAT KEEPING YOUR KNIFE PARALLEL TO THE CONE VIRTUALLY ELIMINATES ANY CHANCE OF CUTTING INTO THE CONE OR THE VOICE-COIL WIRING BELOW.
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