The sprinkler will kick on once any residual air in the system is pushed out by the water. Turn off any and all electrical power to the pump and system at the breaker panel. whatsapp：008618131105602 Why do you need to prime a well pump? How to prime a well pump for sprinkler system . Disconnect the garden hose, and keep the water intake hose crimped to prevent any water from draining while you attach it to the motor. Turn the power to the pump on. Filling the prime opening and starting the machine. How to prime a jet pump on a shallow well pump. Priming means filling the pump and suction pipe with water. Follow these steps to prime a lawn sprinkler pump: Primarily, you need to prime a well pump before it works and serves its purpose. Amazoncommercial 1 hp portable lawn sprinkler pump, stainless steel Submersible pumps do not require priming as the pump physically sits under the water level of the well. Open faucet or hose bib at pump to bleed air from sys...