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Show Leakage at Pump Boxe3 and Hose Connections Leakage at pump stutling boxes and hose connections, which will open up when the car Is operating on the road, often are not ill evidence when the machine is stationary, and It Is difficult diffi-cult to determine where the leaks are unless 1 rossure Is applied to the motor. mo-tor. If that can he done, the leaks w ill show up plainly. To apply the necessary I rossure. It Is necessary merely to 111 'Y fy a radiator radi-ator cap by the addition of a tlr How Air Pressure Makes Leaki Visible. valve, as shown. With this In place, pump about live pounds of 11 1 r pressure pres-sure Into the circulation s.weni. It Is obvious that a rubber casket slo uhl be pho od under the cap and a cork in the o erllow pipe. The .same device Is useful when (lushing the radiator or using a scale r.-mover. because ihe pressure aids materially ma-terially In forcing the scale and muck out through the drain. When the h-oation h-oation of a leak Is known, It can usually usu-ally be repaired easily. l'.y C. , 1. tiers in Popular Science Monthly. |