Rok Power Washer Instructions New May 2026

Before turning the power on, you must prepare the pump to prevent permanent damage.

Water Supply: Ensure your garden hose is connected and the water source is fully open.

System Purge: This is the most important step. With the machine OFF, squeeze the spray gun trigger until a steady stream of water (and no air) flows from the nozzle.

Surface Check: Place the unit on a flat, stable surface. For rolling models, engage the caster brakes to prevent the unit from moving during use. 2. Assembly & Connections

High-Pressure Hose: Connect the threaded end of the 25-foot high-pressure hose to the water outlet on the machine and the other end to the base of the trigger gun. rok power washer instructions new

Spray Wand: Insert the wand into the gun assembly by pushing and turning to lock it into place.

Nozzle Selection: ROK units typically include four color-coded quick-connect nozzles:

Red (0°): Intense, pinpoint spray for stubborn stains on concrete. Orange (15°): Stripping and heavy cleaning. Green (25°): General cleaning (decks, driveways). White (40°): Delicate surfaces (siding, cars, windows). 3. Operating Instructions (Electric Models)

Power Source: Plug the GFCI-equipped power cord into a standard 120V outlet. Press the Reset button on the GFCI plug to enable power. Before turning the power on, you must prepare

Start-Up: Flip the power switch to the "ON" position. The motor will run briefly to pressurize the system and then stop. This "Total Stop System" (TSS) means the motor only runs when you squeeze the trigger.

Soap Application: Use the included foam gun or detergent bottle. Attach it to the wand using the quick-connect fitting for low-pressure soap application. 4. Maintenance & Safety Guidelines Task Water Filter Before every use Check the inlet filter for debris and rinse if necessary. Nozzle Cleaning Monthly / As needed Use the included cleanout tool to remove clogs. Pump Protection After every use

Do not leave the pump under pressure. Turn off water and squeeze the trigger to drain. Storage Winter/Long-term

Store in a frost-free area and use a pump protector to prevent internal corrosion. Slide the handle into the main body until it clicks

Safety Warning: Never point the spray at people or pets. A 3000 PSI stream can cause serious skin penetration injuries. Use only water under 100°F (40°C) to avoid damaging the pump seals. How to setup and start a pressure washer

2. Unboxing & Assembly (New Model Features)

Included parts: Power washer unit, high-pressure hose, spray gun, lance/wand, nozzle set (0°, 15°, 40°, soap tip), garden hose adapter, and detergent tank (if equipped).

Assembly steps:

  1. Slide the handle into the main body until it clicks.
  2. Connect the high-pressure hose to the unit’s water outlet (hand-tighten only – do not overtighten).
  3. Connect the other end of the hose to the spray gun (push & twist to lock).
  4. Insert the lance/wand into the gun (twist to secure).
  5. Attach desired nozzle to the front of the lance (pull back collar, insert, release).

9. Maintenance Schedule (New Model)

Part 1: Unboxing and Familiarization (First 15 Minutes)

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: