Stihl RB 400 Instruction Manual

Stihl RB 400 manual cover
Pages 60
Year 2020
Language(s)
English en
Spanish sp

Stihl RB 400 Specification

The Stihl RB 400 is a robust and efficient pressure washer designed for both residential and commercial use. Powered by a reliable Kohler RH series engine, this pressure washer provides consistent performance, delivering a maximum pressure output of 2,700 PSI and a flow rate of 2.7 gallons per minute. The machine is equipped with a durable axial cam pump, ensuring longevity and efficient operation. Its ergonomic design includes a foldable handle for easy storage and transport, as well as a 25-foot high-pressure hose that offers flexibility and reach for various cleaning tasks.

The RB 400 features a stainless steel spray wand that is compatible with a variety of nozzles, allowing users to adjust the spray pattern to suit different cleaning needs. The washer also includes a detergent siphoning system, enabling the easy application of cleaning agents for more thorough results. Built with a sturdy steel frame and large pneumatic tires, the RB 400 is designed for stability and mobility across diverse terrains.

Additionally, the pressure washer is equipped with an easy-start system, reducing the effort required to initiate operation. Maintenance is straightforward, with accessible oil fill and drain locations, as well as a clear fuel tank for easy monitoring. The Stihl RB 400 is engineered to meet rigorous standards, combining power, versatility, and user-friendly features to deliver a high-performance cleaning tool suitable for a wide range of applications.

Stihl RB 400 F.A.Q.

What type of fuel should I use for the Stihl RB 400?

The Stihl RB 400 pressure washer requires unleaded gasoline with a minimum octane rating of 87. It is recommended to use fresh fuel with no more than 10% ethanol content.

How do I properly start the Stihl RB 400?

To start the Stihl RB 400, ensure the fuel valve is open, turn the engine switch to the "ON" position, set the choke lever to "CLOSED" if the engine is cold, and then pull the starter grip lightly until resistance is felt before pulling it briskly.

What should I do if the Stihl RB 400 does not start?

If the Stihl RB 400 does not start, check the fuel level and quality, ensure the spark plug is clean and functioning, confirm that the choke is set correctly, and verify that the air filter is clean.

How often should I change the oil in the Stihl RB 400?

The oil in the Stihl RB 400 should be changed after the first 5 hours of use, and then every 50 hours of operation or annually, whichever comes first. Use SAE 10W-30 oil for optimal performance.

What is the proper way to store the Stihl RB 400 during the off-season?

To store the Stihl RB 400 during the off-season, drain the fuel tank and carburetor, change the oil, clean the unit thoroughly, and store it in a dry, well-ventilated area away from direct sunlight.

How do I clean the nozzle tips of the Stihl RB 400?

To clean the nozzle tips of the Stihl RB 400, remove the tips and soak them in a solution of water and detergent, then use a small brush or needle to clear any obstructions before rinsing them with clean water.

What should I check if there is no water pressure from my Stihl RB 400?

If there is no water pressure, ensure the water supply is adequate and hoses are not kinked. Check the inlet filter for clogs and inspect nozzle tips for debris.

Can I use detergents with the Stihl RB 400?

Yes, the Stihl RB 400 is equipped with a detergent system. Use only detergents specifically designed for pressure washers, and follow the manufacturer’s instructions for mixing and application.

How do I replace the spark plug in the Stihl RB 400?

To replace the spark plug, first disconnect the spark plug wire, remove the old spark plug using a spark plug wrench, and install a new plug with the recommended gap. Reattach the spark plug wire securely.

What maintenance should be performed regularly on the Stihl RB 400?

Regular maintenance includes checking and changing the oil, cleaning or replacing the air filter, inspecting and cleaning the spark plug, and checking hoses and connections for leaks or wear.