RB 400 - Pressure washer STIHL - Free user manual and instructions
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| Product Type | High-pressure cleaner |
| Brand | STIHL |
| Model | RB 400 |
| Max Pressure | 400 bar |
| Flow Rate | 600 l/h |
| Rated Power | 2.5 kW |
| Power Supply | 230 V, 50 Hz |
| Weight | 22 kg |
| Dimensions (LxWxH) | 50 x 40 x 35 cm |
| Water Supply | Cold water only |
| Hose Length | 10 m |
| Nozzles Included | Rotating, flat jet, detergent nozzle |
| Motor Type | Electric brushless motor |
| Protection Class | IPX5 |
| Detergent System | Integrated detergent tank and low-pressure injection |
| Pressure Adjustment | Adjustable via trigger gun and pressure regulator |
| Automatic Shut-Off | Yes, when trigger is released |
| Maintenance | Clean water filter, check oil level, winterize with antifreeze |
| Safety Features | Thermal overload protection, ground fault circuit interrupter, safety lock on trigger |
| Spare Parts Availability | Through authorized STIHL dealers |
| User Manual | Included, also available online at notice-facile.com |
Frequently Asked Questions - RB 400 STIHL
How do I start the STIHL RB 400 pressure washer?
Ensure the water supply is connected and turned on. Plug the unit into a grounded power outlet. Press the on/off switch to start. Wait for the motor to reach full speed before pulling the trigger.
Can I use hot water with the RB 400?
No, the RB 400 is designed for cold water only. Using hot water may damage the seals and pump.
What is the maximum pressure and flow rate?
The maximum pressure is 400 bar and the flow rate is 600 liters per hour.
How do I adjust the pressure?
You can adjust the pressure using the regulator on the trigger gun or the pressure adjustment knob on the unit. Turn clockwise to increase pressure, counterclockwise to decrease.
How do I use detergent?
Fill the detergent tank with a suitable cleaning agent. Attach the low-pressure nozzle (black). Press the trigger to apply detergent at low pressure. Rinse with high pressure using a different nozzle.
What maintenance is required?
Regularly clean the water inlet filter. Check oil level in the pump. After each use, drain the pump and hoses. In freezing conditions, add antifreeze to prevent damage.
Why is the pressure washer not building pressure?
Check for air in the system: bleed by pressing the trigger without the nozzle. Ensure water supply is adequate. Clean filters and check for kinked hoses. If problem persists, contact STIHL service.
Can I use an extension cord?
Yes, but ensure it is rated for outdoor use and has sufficient gauge (min. 1.5 mm²). Keep the cord length under 25 m to avoid voltage drop.
Where can I get spare parts?
Spare parts are available through authorized STIHL dealers. Use the model number RB 400 when ordering. Common parts include nozzles, hoses, and seals.
What does the warranty cover?
STIHL provides a limited warranty for manufacturing defects. Coverage varies by region; check your user manual for terms. Typical warranty is 2 years for home use.
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USER MANUAL RB 400 STIHL
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Product information
Brand : STIHL
Model : RB 400
Category : Pressure washer