Water Pump Problem
When you used water pump for a long time there are many problem that can happen with water pump. These are main three problem that always happened.1.Pump does not revolve.-Engine does not start. (Refer to instruction manual of engine)-Sticking of impeller. (Disassemble & clean)2.Pumping volume is small.-Entrance of air at suction side. (Check piping at suction side)-Drop of engine output. (repair)-Breakage of mechanical seal. (Replace mechincal seal)-High suction lift. (Lower)-Thin or long or kink of hose. (Thicken of shorten of straighten)-Leak of water from substance in impeller. (Disassemble & clean)-Wear of impeller. (Replace impeller)3.Pump does not self-prime.-Suction of air at suction side. (Check piping at suction side)-Insufficient priming water inside pump casing. (prime fully)-Imperfect tightening of drain cock. (Tighten the two plugs property)-Imperfect revolution of engine. (Repair engine)-Entrance of air from mechanical seal. (Replace mechanical seal)
