1. Introduction
Thank you for choosing the Makita DHW180 Cordless Pressure Washer. This battery-powered cleaning machine is designed for efficient and convenient cleaning tasks around your home and garden. Please read this manual thoroughly before use to ensure safe and optimal operation.
2. Safety Information
Always follow basic safety precautions when using this product to reduce the risk of fire, electric shock, and personal injury.
- Read all instructions before using the appliance.
- Do not operate the pressure washer if any parts are damaged.
- Keep children and bystanders away from the operating area.
- Wear appropriate personal protective equipment, including eye protection.
- Ensure the battery is fully charged before use and removed when not in use or during maintenance.
3. What's in the Box
The Makita DHW180 Cordless Pressure Washer typically includes the following components:
- Makita DHW180 Cordless Pressure Washer Unit
- High-pressure hose
- Foam bottle attachment
- Various spray nozzles (e.g., 0°, 15°, 25°, 40°, hand shower)
- Water inlet filter
- (Optional, depending on purchase) 18V Li-Ion Battery Pack
- (Optional, depending on purchase) Battery Charger
4. Setup and Assembly
- Attach the High-Pressure Hose: Connect one end of the high-pressure hose to the water outlet on the main unit and the other end to your water source (e.g., a bucket or garden hose). Ensure connections are secure to prevent leaks.
- Insert the Battery: If not already installed, slide a charged 18V Li-Ion battery pack into the battery compartment until it clicks into place.
- Select and Attach Nozzle: Choose the appropriate spray nozzle for your task. Align the nozzle with the spray wand and push it firmly until it locks. For foam application, attach the foam bottle.
- Water Supply: Ensure your water source is clean and free of debris. The maximum suction height is 2.0m.
5. Operating Instructions
5.1 Powering On and Off
- To turn on, press the power button.
- To turn off, release the trigger and press the power button again.
5.2 Adjusting Spray Modes
The DHW180 features five common spraying modes. Rotate the nozzle head to select the desired spray pattern:
- 0° (Pencil Jet): For stubborn dirt and grime. Use with caution as it is very powerful.
- 15° (Narrow Fan): For concentrated cleaning on smaller areas.
- 25° (Medium Fan): General cleaning tasks.
- 40° (Wide Fan): For larger surfaces and lighter cleaning.
- Hand Shower: For gentle rinsing or watering plants.
5.3 Using the Foam Bottle
Attach the foam bottle to the spray wand for applying detergent or cleaning solutions. Fill the bottle with your desired cleaning agent, then attach it and spray. This is ideal for car washing or pre-soaking dirty surfaces.
6. Maintenance and Storage
6.1 Cleaning
- After each use, flush the system with clean water to remove any detergent residue.
- Clean the nozzles and filters regularly to prevent blockages.
- Wipe down the exterior of the unit with a damp cloth.
6.2 Storage
- Drain all water from the unit, hose, and accessories before storing.
- Store the pressure washer in a dry, frost-free environment.
- Remove the battery pack if storing for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No water pressure or low pressure |
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| Unit does not start |
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| Water leaks |
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8. Specifications
| Feature | Detail |
|---|---|
| Model Number | DHW180 |
| Brand Name | Makita |
| Power Source | Battery (Li-Ion) |
| Rated Voltage | 18V |
| Nominal Capacity | 18V |
| Maximum Flow Rate (*1) | Tank water supply: 3.0 L/min, Pipe water supply: 5.3 L/min |
| Water Flow Rate (*2) | High pressure mode: 2.5 L/min, Low pressure mode: 1.5 L/min |
| Maximum Working Pressure | 2.4 MPa |
| Working Air Pressure (*2) | High pressure mode (tank/pipe): 2.0/2.2 MPa, Low pressure mode (tank/pipe): 0.8/0.8 MPa |
| Maximum Water Supply Pressure | 0.5 MPa |
| Maximum Water Supply Temperature | 40°C |
| Maximum Suction Height | 2.0 m |
| Dimensions (L x W x H) | 888 x 99 x 239 mm |
| Net Weight | 2.3-2.7 kg (using battery BL1815-BL1860B) |
| Certification | CE, Dot, EAC, TGA, UL |
| Origin | Mainland China |
*1: Maximum flow rate may vary based on water supply method (tank vs. pipe).
*2: Water flow rate and working air pressure are specified for high and low pressure modes, and depend on water supply method.
9. User Tips
- Check Accessories: Upon receiving your DHW180, verify that all accessories shown in the product description are included to ensure you have everything needed for various cleaning tasks.
- Battery Compatibility: The DHW180 is designed for 18V Makita Li-Ion batteries. Ensure you use compatible batteries for optimal performance and safety.
- Pre-soak for Best Results: For heavily soiled surfaces, use the foam bottle attachment to apply a cleaning solution and let it sit for a few minutes before pressure washing.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Makita website or contact your local Makita service center. Keep your purchase receipt as proof of purchase for warranty claims.
This product is certified with CE, Dot, EAC, TGA, and UL standards, ensuring quality and safety.
