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shadowless lights also check the check valve is tight

time2012/02/26

shadowless lights also check the check valve is tight, with or without air leakage pipe, fittings, found the leak, shadowless lights after the demolition of the joints coated with oil or blending paint, and tighten the screws. shadowless lights because of 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.
shadowless lights Remedy: first water pressure up, and then pump filled with water, and then boot.