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6)Hand tighten coupling nut in a clockwise direction. Do not use tools. 7)Mix one cup of water with one cup of dishwashing liquid. 8) Open the valve on LP gas cylinder (Turn the knob on the LP gas cylinder counter-clockwise.) 9)Check for leaks by brushing the soap solution on all LP gas connections and fittings (such as those shown by the heavy arrows in the diagram below.) Make sure you generously brush the locations with the soap solution, completely surrounding the connections and fittings. 1