2. the pump should be installed near waer source and asreducing length as possible in order to reduce the resistance in suction pipe.
3.the connection of suction pipe must be absolute sealed, otherwise it can not lift water.
4.when operating the clean water pump for the first time, remove the plug and pour water into the pump until they are filled then replace the plug.
5.when the motor is stoppage because of impurity or rust get the pump impeller stir the motor fan with a the pump body should be removed and impurity or rust cleaned
6.in course of running if the flow reduce suddenly or the motor stop suddenly or other aberrant phenomenon, stop it to examine at once.