Introducció
This manual provides essential instructions for the safe installation, operation, and maintenance of your VEVOR Pressure Washer Pump, Model QXB-3. Please read this manual thoroughly before use to ensure proper function and longevity of the product.
The VEVOR QXB-3 is a replacement vertical shaft pressure washer pump designed for engines with a 7/8-inch shaft, delivering up to 3300 PSI and 3.0 GPM. It is compatible with various pressure washer brands including RYOBI, Honda, and Briggs and Stratton, provided they match the specified shaft size and engine orientation.
Informació de seguretat
AVÍS: Si no es segueixen aquestes instruccions, es poden produir lesions greus o danys materials.
- Always wear appropriate personal protective equipment (PPE) such as safety glasses and gloves when installing or operating the pressure washer pump.
- Ensure the pressure washer engine is turned off and cooled down before attempting any installation, maintenance, or repair.
- Desconnecteu el cable de la bugia per evitar l'arrencada accidental.
- Relieve all pressure in the system before disconnecting hoses or performing maintenance.
- Do not operate the pump without water supply. Dry running can cause severe damage.
- Verify compatibility of the pump with your pressure washer engine (shaft size, engine orientation, and horsepower) before installation.
- Mantenir els nens i les mascotes lluny de la zona de treball.
Producte acabatview
Característiques clau
- High-Efficiency Cleaning Power: Delivers up to 3300 PSI and 3.0 GPM for various cleaning tasks. Recommended working pressure is 2600 PSI for extended lifespan.
- Compatibilitat forta: Designed for 7/8-inch vertical shaft rear-outlet engines, fitting most 196-230cc 6HP-8HP engines with a standard SAE bolt pattern.
- Disseny sense manteniment: Features a maintenance-free crankcase, eliminating the need for oil changes.
- Construcció duradora: Made from cast aluminum for corrosion resistance and durability, ensuring reliable performance for up to 150 hours of continuous operation.
- Prevenció de fuites: Equipped with a high-hardness plunger and metal sleeve design to reduce leak risk and resist deformation under high pressure.
- Filtre integrat: High-density filter protects the pressure washer pump.
Contingut del paquet
The VEVOR Pressure Washer Pump kit includes the following items:
- 1 x Pressure Washer Pump (Model QXB-3)
- 5 x Spray Nozzles (various degrees)
- 1 x Pin de neteja de broquet
- 1 x Siphon Tube with Filter
- 2 x Shaft Keys
- 3 x M8 volanderes planes
- 3 sets of M8 Hex Bolts & Nuts
Image: VEVOR Pressure Washer Pump QXB-3 and its complete set of accessories.
Image: Key components and features of the VEVOR Pressure Washer Pump QXB-3.
Configuració i instal·lació
Comprovació de compatibilitat
Before installation, ensure your pressure washer engine meets the following criteria:
- Engine Orientation: Vertical shaft engine. This pump is not compatible with horizontal engines.
- Diàmetre de l'eix: 7/8 inch (22.2mm) shaft.
- Potència del motor: 6-8 HP (196-230cc).
- Water Inlet Direction: Rear water inlet. This pump is designed for rear-outlet engines.
- Patró de muntatge: Standard SAE bolt pattern.
Image: Confirming the correct rear water inlet direction for pump compatibility.
Image: Standard SAE bolt pattern and shaft dimensions for proper fitment.
Passos d'instal·lació
- Preparació: Ensure the pressure washer engine is off, cooled, and the spark plug wire is disconnected. Gather the pump head, fixing screws, and shaft keys.
- Adjust Spindle: Adjust the power spindle on the engine so that the keyway faces upwards.
- Insert Flat Key: Carefully insert the flat key into the keyway on the engine's power spindle.
- Align and Mount Pump: Align the crankshaft of the pump head with the keyway facing upwards, matching the key and keyway positions. Gently push the pump head onto the engine shaft until it is fully seated.
- Bomba segura: Insert the three M8 hex bolts through the pump's mounting arms and into the engine's bolt holes. Tighten the three screws in sequence, ensuring even pressure. Do not overtighten.
- Connecteu les mànegues: Connect your garden hose to the 3/4" NH inlet and your pressure washer hose to the M22 x 1.5-14mm outlet.
Video: Detailed installation instructions for the 7/8'' vertical shaft pressure washer pump.
Instruccions de funcionament
Selecció de broquets
The included 5 nozzles provide versatility for various cleaning tasks:
- Vermell (0°): Concentrated, high-pressure stream for tough stains and hard-to-reach areas. Use with extreme caution.
- Groc (15°): Narrow fan spray for intense cleaning of small areas, stripping paint, or removing heavy grime.
- Verd (25°): Medium fan spray for general cleaning of most surfaces, such as decks, patios, and driveways.
- Blanc (40°): Wide fan spray for gentle cleaning of delicate surfaces, vehicles, or rinsing.
- Black (Soap Nozzle): Low-pressure wide spray for applying detergents and cleaning solutions.
Image: Multiple spraying nozzles and their applications.
Funcionament general
- Connectar el subministrament d'aigua: Attach a garden hose to the pump's water inlet. Ensure the water supply is fully open before starting the engine.
- Connecteu la mànega d'alta pressió: Attach the high-pressure hose to the pump's outlet and to your spray gun.
- Seleccioneu el broquet: Choose the appropriate nozzle for your task and attach it to the spray gun.
- Arrancar el motor: Follow your pressure washer engine's starting procedure.
- Comença la neteja: Squeeze the spray gun trigger to start the water flow. Always start spraying away from the surface to be cleaned to avoid damage.
- Apagar: Release the spray gun trigger, turn off the engine, and then turn off the water supply. Squeeze the trigger again to relieve any remaining pressure in the system.
Manteniment
- Maintenance-Free Crankcase: The VEVOR QXB-3 pump features a maintenance-free crankcase, meaning no oil changes are required for the pump itself.
- Neteja de broquets: Use the included nozzle cleaning pin to clear any blockages from the spray nozzles.
- Filtre d'entrada: Regularly inspect and clean the inlet filter to prevent debris from entering the pump.
- Emmagatzematge: Before storing for extended periods, especially in freezing temperatures, ensure all water is drained from the pump and hoses. Consider using a pump protector or antifreeze solution.
- Inspecció: Periodically check all connections for leaks and ensure bolts are securely tightened.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Low or No Pressure |
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| Water Leaks from Pump |
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| Engine Stalls or Runs Rough |
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Especificacions
| Característica | Detall |
|---|---|
| Número de model | QXB-3 |
| Pressió màxima | 3300 PSI |
| Pressió de treball recomanada | 2600 PSI |
| Caudal màxim | GPN 3.0 |
| Diàmetre de l'eix | 7/8" (22.2 mm) |
| Engine Orientation | Vertical |
| Compatible Engine Power | 6-8 HP (196-230cc) |
| Matched Engine Water Inlet Direction | Rear Water Inlet |
| Connector d’entrada | 3/4" NH Garden Hose |
| Connector de sortida | M22 x 1.5-14mm |
| Material primari | Alumini |
| Dimensions del producte | 8.66 x 7.68 x 7.09 polzades (219.96 x 195 x 180 mm) |
| Pes net | 6.42 lliures (2.91 kg) |
Image: Dimensions and detailed specifications of the pump.
Garantia i Suport
Per obtenir informació sobre la garantia o assistència tècnica, consulteu la pàgina oficial de VEVOR. website or contact VEVOR customer service directly. Keep your purchase receipt and product model number (QXB-3) handy for faster service.
Normalment podeu trobar informació de contacte a la pàgina oficial de VEVOR. weblloc web o a través del venedor on es va comprar el producte.





