Introducció
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your Pulsar W31H19 Gas-Powered Pressure Washer. Please read this manual thoroughly before use and retain it for future reference. This powerful unit is designed for effective outdoor cleaning with 3,100 PSI and a 2.5 GPM flow rate.

Figura 1: Frontal view of the Pulsar W31H19 Pressure Washer.
Informació de seguretat
Always prioritize safety when operating the pressure washer. Failure to follow these instructions may result in serious injury or property damage.
- Llegiu tot el manual: Understand all operating and safety instructions before use.
- Utilitzeu equip de protecció: Always wear eye protection, hearing protection, and appropriate clothing.
- Ventilació adequada: Operate the pressure washer in a well-ventilated area to avoid carbon monoxide poisoning.
- Never Point at People or Animals: The high-pressure spray can cause severe injury.
- Connexions segures: Ensure all hoses and connections are secure before starting.
- Manipulació de combustible: Handle gasoline with extreme care. Store in approved containers and never refuel a hot engine.
- Desconnecteu la bugia: Desconnecteu sempre el cable de la bugia abans de fer qualsevol manteniment o ajust.
- Mantenir els nens allunyats: Do not allow children or untrained individuals to operate the pressure washer.
Què hi ha a la caixa
Verifiqueu que tots els components siguin presents en desembalar-lo:
- Pulsar W31H19 Gas-Powered Pressure Washer Unit
- Mànega d'alta pressió (30 m)
- Pistola de polvorització ergonòmica
- 5 Quick-Connect Nozzles (0°, 15°, 25°, 40°, and Soap Nozzle)
- On-Board Detergent Tank
- 12" Never-Flat Wheels
- Embut d’oli
Configuració
1. Muntatge
Attach the handle and wheels to the main unit. Ensure all bolts are tightened securely.

Figura 2: lateral view of the assembled pressure washer.
2. Afegiu oli de motor
Before first use, add the recommended engine oil to the crankcase. Refer to the engine oil fill cap for the correct type and amount. Use the provided funnel to prevent spills.

Figure 3: Location of the engine oil fill cap.
3. Afegir combustible
Fill the fuel tank with fresh, unleaded gasoline. Do not overfill. Ensure the fuel cap is securely fastened.
4. Connectar el subministrament d'aigua
Connect a standard garden hose to the water inlet on the pressure washer pump. Ensure the connection is tight to prevent leaks. Turn on the water supply completely.
5. Connect High-Pressure Hose and Spray Gun
Connect one end of the high-pressure hose to the pump outlet and the other end to the spray gun. Ensure all connections are secure.
6. Fill Detergent Tank (Optional)
If using detergent, fill the on-board detergent tank with pressure washer safe detergent. The detergent tank is designed for easy access.

Figure 4: Location of the on-board detergent tank.
Video 1: This video demonstrates the assembly and initial setup steps for a Pulsar pressure washer, including connecting hoses and adding fluids.
Instruccions de funcionament
1. Arrencada del motor
- Ensure the fuel valve is open and the engine switch is in the 'ON' position.
- Moveu la palanca de l'estrangulador a la posició «CHOKE» (si el motor està fred).
- Estireu fermament la maneta de l'arrencador de retrocés fins que el motor arrenqui.
- Once started, gradually move the choke lever to the 'RUN' position.
2. Using Quick-Connect Nozzles
The pressure washer comes with 5 quick-connect nozzles for various cleaning tasks. To change a nozzle, pull back the collar on the spray gun wand, insert the desired nozzle, and release the collar to lock it in place. Always ensure the nozzle is securely seated before operating.
- 0° (Vermell): Pin-point stream for tough, concentrated cleaning. Use with caution.
- 15° (Groc): Narrow spray for intense cleaning of small areas.
- 25° (Verd): Wider spray for general cleaning tasks.
- 40° (Blanc): Widest spray for gentle cleaning and rinsing.
- Sabó (Negre): Low-pressure spray for applying detergent.

Figure 5: Quick-connect nozzles for various spray patterns.
Video 2: This video demonstrates the quick-connect nozzle system and shows the spray angle effect of different nozzles, including soap application.
3. Aplicació del detergent
To apply detergent, ensure the soap nozzle (black) is installed. The pressure washer will automatically draw detergent from the on-board tank at low pressure. After applying detergent, switch to a high-pressure nozzle (e.g., 25° or 40°) to rinse the surface thoroughly.
4. Tancament
- Gireu l'interruptor del motor a la posició 'OFF'.
- Tanqueu el subministrament d'aigua.
- Premeu el gallet de la pistola polvoritzadora per alliberar la pressió restant al sistema.
- Desconnecteu la mànega de jardí i la mànega d'alta pressió.
Manteniment
Un manteniment regular garanteix un rendiment òptim i allarga la vida útil de la teva rentadora a pressió.
- Filtre d'aire: Clean the air filter every 50 hours of use, or more frequently in dusty conditions. Refer to the engine manual for specific cleaning instructions.
- Oli de motor: Check engine oil level before each use. Change oil after the first 5 hours, then every 50 hours or annually.
- Bujía: Inspeccioneu i netegeu la bugia anualment. Substituïu-la si cal.
- Sistema de combustible: Drain the fuel system if storing for extended periods (over 30 days) to prevent fuel degradation.
- Cura de la bomba: Use a pump protector/stabilizer if storing the unit in freezing temperatures or for extended periods.
Resolució de problemes
This section addresses common issues you might encounter. For more detailed troubleshooting, consult the full owner's manual.
| Problema | Causa possible | Solució |
|---|---|---|
| El motor no arrencarà | No fuel; Engine switch OFF; Choke incorrect; Spark plug issue | Add fuel; Turn switch ON; Adjust choke; Check/replace spark plug |
| Baixa pressió d'aigua | Insufficient water supply; Clogged nozzle; Air in pump; Worn pump seals | Check water source; Clean/replace nozzle; Purge air from pump; Contact service |
| El motor funciona malament | Combustible ranci; filtre de combustible obstruït; filtre d'aire brut | Drain/refill with fresh fuel; Replace fuel filter; Clean air filter |
Especificacions
Key technical specifications for the Pulsar W31H19 Pressure Washer:
| Característica | Especificació |
|---|---|
| Marca | Púlsar |
| Número de model | W31H19 |
| Pressió màxima | 3100 PSI |
| Caudal màxim | GPN 2.5 |
| Font d'alimentació | Gas Powered (208cc, 7 HP, OHV engine) |
| Longitud de la mànega | 30 peus |
| Pes de l'article | 84 lliures |
| Volum del dipòsit de detergent | A bord |
| Rodes | 12" Never-Flat |
| Broquets inclosos | 0°, 15°, 25°, 40°, Soap |
| Certificacions | CE, CSA |
Informació de la garantia
The Pulsar W31H19 Gas-Powered Pressure Washer is backed by a Garantia limitada de 1 anys. Please retain your proof of purchase for warranty claims. For full warranty terms and conditions, refer to the documentation included with your product or visit the manufacturer's weblloc.
Atenció al client
For technical assistance, parts, or service inquiries, please contact Pulsar customer support. Contact information can typically be found on the product packaging or the official Pulsar weblloc.