This is the most critical instruction in your ROK manual. Never run the washer without water flowing through it.

Congratulations on your new ROK Power Washer. Whether you’ve purchased the compact ROK 100, the heavy-duty ROK 150, or the professional-grade ROK 200, you’ve invested in a machine known for durability and high-pressure cleaning efficiency. However, to get the most out of your equipment—and to ensure it lasts for years—you must follow the correct setup and operational procedures.

Many new users make the mistake of unboxing their pressure washer and immediately pulling the trigger. Don’t. Improper startup is the number one cause of pump failure. This long-form guide will walk you through every step of the ROK power washer instructions new users need to follow, from unboxing to winter storage.

  • Connect Water: Connect the garden hose and turn on the water supply fully.
  • Purge Air: Squeeze the gun trigger until water flows steadily.
  • Start the Engine:
  • Engage Pressure: Squeeze the trigger to begin working.

    • Note: The motor cycles on/off as you release/squeeze trigger – this is normal.

    Before you connect a hose or plug into an outlet, lay out all the components on a flat surface. Your ROK power washer box should contain the following:

    Inspection Checklist for New Machines:

    This is where most new users fail. Never run your ROK power washer without water.

    Why? Air bubbles act like bullets inside the pump, destroying ceramic pistons instantly.