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2.) Turn water supply OFF. 3.) Squeeze trigger to relieve system pressure. 4.) Remove garden hose. 5.) Remove pressure hose. Skin puncture hazard. High pressure fluid can inject under skin resulting in serious injury including amputation. Do not direct spray at people or animals. -If skin injection happens, seek IMMEDIATE surgical treatment. -Do not check for leaks with hand. Instead, use a piece of cardboard to check for leaks. -Do not use unit if exterior hose damage is evident. Make sure all