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operating microscope in the same time check the check valve is tight

time2012/02/26

operating microscope in the same time check the check valve is tight, piping, fittings without leakage phenomenon, found the leak.operating microscope in after the demolition of the joints coated with oil or blending paint, and tighten the screws. The operating microscope in because the air or the inlet gas accumulation, or the end of the valve in the pump body lax off the irrigation water discontent, serious leak of the vacuum pump packing, gate or door closed lax.
operating microscop Remedy: First the water pressure up, and then pump filled with water, and then boot.