1. Dive pumping sand pump before starting preparation ① test motor rotation is correct, as viewed from the top of the motor to the pump at the clockwise rotation. Test time is shorter ZJQ60-30-15 pumping sand pump mechanical seal dry to avoid wear and tear. ② open the exhaust valve so that the liquid fills the pump, to be filled close the exhaust valve. ③ check all parts are normal. ④ hand drive moving pump lubricating fluid into the mechanical seal face. ⑤ high temperature should be preheated heating rate of 500 degrees per hour ZJQ50-26-15 pumping sand pump, in order to ensure uniform heating ministries. 2. no water submersible sand pump suction? The reason is that the body has an air pump or air inlet pipe has a positive or a bottom valve closed lax irrigation water discontent, vacuum packing serious leak or valve closed lax. Remedy: First up ZJQ50-35-15 pressure pumping sand pump, then pump filled with water, and then boot. Also check the check valve is tight, pipes, fittings for air leaks, such as leaks found pumping sand pump, painted after the demolition of the lubricant in the joints or mixed paint, and tighten the screws. Check the pump shaft seal rings, such as badly worn should be replaced with new parts. Pumping sand pump, ZJQ75-25-15 pumping sand pumps, sludge pump (certified merchants) provided by the Shijiazhuang-Pump Co., Ltd. faction. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) is specialized in "slurry pumps, submersible pumps, sewage pumps, chemical pump, pulp pump, water pump, mud pump, multi-stage" of the enterprise, the company of " honesty, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Manager Xu.