1. Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Draper 83414 Pressure Washer. Please read this manual thoroughly before using the appliance and keep it for future reference.
The Draper 83414 is a portable high-pressure cleaner designed for domestic use, ensuring efficient cleaning of vehicles, vans, driveways, boats, and caravans. It features an automatic total stop valve that activates and deactivates the pressure washer when the trigger is engaged or released, which helps extend motor life and reduce electricity consumption.
2. Safety Information
2.1 General Safety Warnings
- Always wear appropriate personal protective equipment (PPE) such as safety glasses and hearing protection.
- Never direct the water jet at people, animals, or electrical equipment.
- Ensure all connections are secure before operating the pressure washer.
- Do not operate the machine if any parts are damaged.
- Keep children and pets away from the operating area.
- Use only genuine Draper replacement parts and accessories.
2.2 Electrical Safety
- Connect the pressure washer only to a properly grounded outlet.
- Do not use extension cords unless absolutely necessary, and ensure they are rated for outdoor use and the appliance's power requirements.
- Never operate the pressure washer with wet hands or while standing in water.
- Always unplug the unit from the power supply before performing any maintenance or cleaning.
3. Product Overview
Familiarize yourself with the components of your Draper 83414 Pressure Washer.

Figure 1: Overview of the Draper 83414 Pressure Washer and its included accessories. This image displays the main unit, high-pressure hose, spray gun, lance, and patio cleaner attachment.
3.1 Included Components
- Pressure Washer Main Unit
- 5m High-Pressure Hose
- Spray Gun
- Lance
- Nozzle Cleaning Pin
- Patio Cleaner Attachment
- Fixed Angle Nozzle
- Turbo Nozzle
4. Setup
4.1 Assembly
- Unpack all components and ensure nothing is missing or damaged.
- Attach the wheels to the main unit if they are not pre-assembled.
- Secure the handle to the main unit.
4.2 Connecting Water Supply
- Connect a garden hose (not supplied) to the water inlet on the pressure washer. Ensure the connection is tight to prevent leaks.
- Connect the other end of the garden hose to a water tap.
- Turn on the water tap fully to ensure a steady water supply to the unit.
4.3 Connecting High-Pressure Hose and Spray Gun
- Connect the 5m high-pressure hose to the high-pressure outlet on the main unit.
- Connect the other end of the high-pressure hose to the spray gun.
- Attach the desired lance and nozzle (e.g., fixed angle nozzle, turbo nozzle, or patio cleaner) to the spray gun.
5. Operating Instructions
5.1 Starting the Pressure Washer
- Ensure the water supply is fully open.
- Squeeze the trigger on the spray gun to purge air from the system until a steady stream of water emerges.
- Plug the power cord into a grounded electrical outlet.
- Turn the ON/OFF switch to the "ON" position. The motor will start.
5.2 Using Attachments
- Standard Lance with Fixed Angle Nozzle: Suitable for general cleaning tasks.
- Turbo Nozzle: Provides a rotating jet for stubborn dirt and grime on hard surfaces. Not recommended for delicate surfaces.
- Patio Cleaner Attachment: Ideal for cleaning large flat surfaces like patios and driveways, reducing splash-back.

Figure 2: A person demonstrating the use of the Draper 83414 Pressure Washer with the patio cleaner attachment on a paved surface. This illustrates the product in action for outdoor cleaning tasks.
5.3 Shutting Down
- Turn the ON/OFF switch to the "OFF" position.
- Unplug the power cord from the electrical outlet.
- Turn off the water supply.
- Squeeze the trigger on the spray gun to release any remaining pressure in the system.
- Disconnect the garden hose and high-pressure hose.
6. Maintenance
6.1 Cleaning Nozzles
If the nozzle becomes clogged, use the provided nozzle cleaning pin to clear any debris. Always disconnect the power and water supply before cleaning.
6.2 Water Inlet Filter
Regularly check and clean the water inlet filter to prevent debris from entering the pump. Remove the filter, rinse it under running water, and reinsert it.
6.3 Storage
- Drain all water from the pump, hoses, and spray gun before storing, especially in freezing temperatures.
- Store the pressure washer in a dry, frost-free location.
- Coil the high-pressure hose and power cord neatly.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start | No power supply; ON/OFF switch is OFF | Check power connection; Turn switch to ON |
| No water pressure | Water supply off; Clogged nozzle; Air in pump | Turn on water; Clean nozzle; Purge air from system |
| Pulsating pressure | Air in pump; Water inlet filter clogged; Insufficient water supply | Purge air; Clean filter; Ensure adequate water flow |
| Leaks | Loose connections; Damaged O-rings | Tighten connections; Replace O-rings |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 83414 |
| Brand | Draper |
| Dimensions (L x W x H) | 38 x 33.2 x 72.6 cm |
| Weight | 12.83 kg |
| Material | Plastic |
| Power Source | Electric Cable |
| High-Pressure Hose Length | 5 Meters |
| Color | Black/Blue |
| Country of Origin | China |
9. Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your product or contact Draper customer service directly. Keep your proof of purchase for any warranty claims.
Manufacturer: Draper





