Screw the lance or wand onto the trigger gun.

For stubborn grease, ROK washers often include a detergent tank or siphon. Ensure you use only ; thick household soaps like dish liquid can clog the internal valves. If your nozzle is adjustable, you may need to shift it to a low-pressure setting to pull the soap from the tank before switching back to high pressure for the final rinse. Phase 4: The Safe Exit