Supposing it is too small, we will obtain two sets of marks indicating the position of keyway, as shown in fig. [Please select]
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Assuming that we have both cams finished to the proper shape and size, and the keyway cut in the side shaft, we can commence to mark off the position of keyway in the air cam. [Please select]
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The keyway being already cut in the side shaft, the position for that in the cam may be scribed off, as shown by dotted lines (fig.) [Please select]
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