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Show Things One Should Know About Replacing Tubes Undue haste in replacing a punctured punc-tured or blown-out tube, is responsible for a multitude of troubles. The most common mistake is pinching the tube. The tube is inserted in an uneven or twisted manner. This causes it to overlap or wrinkle, with the result that in a short time it will cut through where it has been overlapped and produce pro-duce a leak. The same trouble is also caused sometimes by putting a new tube into the tire just as it is taken from the box. When the tube is applied after mounting, there is such an inrush of i::r that it will often buckle up the tubes, thereby forcing a tiny section beneath the head spreader. Kspecially will this occur if the valve stem is not pul;' out to its proper position. T.i.' operator should proceed slowly wlun applying the tube. Before pu, ting i' into the casing it should be giver, a couple of "shots" of air. then it s:..i:t:d be applied carefully, the Inside- the side on which the stem occurs- -al ays being kept inside. When it is in the casing it should be "tab-, d" carefully and the fingers forced all around the tire to make sure that the talc has been evenly distributed, and then, before the loose bead is applied the tire should be given a little more air enough to round It out nicely and prevent pinch-in, |