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Over time the surface on the supply reel where the tension regulator belt rides starts to deteriorate. It begins to polish or develop a pattern of waves and ripples that can cause all kinds of problems in the picture and audio. Under extreme cases an uneven surface will cause the belt and the tension regulator arm attached to it to shake and vibrate, which in turn prevents smooth movement of the tape. In the picture above the example on the left is a worn reel, the one the right is a new one. The take-up reel can also develop an uneven surface on it from extended movement against the soft brake. The soft brake is used in many machines to keep a slight amount of drag on the reel, this is to prevent spillage and to maintain control during reverse functions. To see the reels and associated components in place on the reel table, click on the picture. During refurbishing both the supply and the take up reels are replaced or renewed. To go back a page click here. To go on to the next section click here. To close this panel and go back to the main page click here
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