: Do not operate a Rok power washer if the trigger gun safety latch is broken. The spray is powerful enough to cause serious injury.
Turn on the water tap and squeeze the spray gun trigger for 30–60 seconds until a steady stream of water flows out. This purges air from the pump. How to Use a Pressure Washer rok power washer instructions
Screw one end into the water outlet on the machine and the other into the spray gun. : Do not operate a Rok power washer