LUTIAN DOMO-D4 High-Pressure Washer User Manual

Introduction

Thank you for purchasing the LUTIAN DOMO-D4 High-Pressure Washer. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new device. Please read this manual thoroughly before use and keep it for future reference.

The LUTIAN DOMO-D4 is designed for household use, suitable for cleaning cars, motorcycles, boats, terraces, driveways, garden furniture, and more. It features a 1400W motor, delivering a maximum pressure of 100 Bar and a washing speed of 8L/min.

Figure 1: LUTIAN DOMO-D4 High-Pressure Washer and Included Accessories

Safety Instructions

WARNING! Failure to follow these safety instructions may result in serious personal injury or property damage.

General Safety

• Always wear protective goggles, ear protectors, and protective clothing with anti-slip shoes during operation.
• Do not operate the machine if you have not received training or read this manual.
• Minors should not be allowed to use the machine.
• Before starting, inspect the machine for any faults. Ensure cable insulation is intact and free from damage.
• Operators and bystanders must take protective measures against splashes.
• Always unplug the power cord when cleaning, repairing, or replacing parts.
• Do not point the nozzle at yourself, others, pets, live equipment, or machinery.
• Do not inhale liquids containing solvents (e.g., petrol, paint thinner).
• Do not use in places with explosion risk or to clean surfaces containing asbestos.
• Do not use the high-pressure washer at temperatures below 0°C. Freeze damage is not covered by warranty.
• Ensure the foundation is solid and safe. Operate the machine upright.
• Do not cover the machine or use it in a poorly ventilated room.

Electrical Safety

• The machine's voltage and frequency must match your power supply.
• Only certified electricians may connect the machine to electrical installations.
• Install a residual current device (RCD) on the power supply.
• If using extension cords, ensure they are waterproof and leak-proof, and their specifications match the product's power requirements. Improperly extended flexible cords can be dangerous.
• If the power cord is damaged, it must be replaced by the manufacturer or authorized repair personnel.

Package Contents

Carefully unpack the box and ensure all items are present and undamaged. The package should contain:

• High-Pressure Washer Unit (LUTIAN DOMO-D4)
• Gun Handle
• Short Barrel
• 2M Water Inlet Pipe
• 6M Outlet Pipe
• Self-Priming Filter
• Faucet Connection
• Inlet Filter Nut
• Push-in Connector

Figure 2: Included Accessories

Setup and Assembly

1. Connecting the Water Inlet

Your pressure washer supports two water inlet methods: direct water pipe connection or self-priming from a bucket.

Figure 3: Water Inlet Methods

1. Install Inlet Filter: The inlet filter screen must always be installed to prevent sand, lime, and other impurities from damaging the pump valves. Ensure the filter is properly seated in the inlet nut.
2. Connect Inlet Pipe: Attach the inlet filter nut to the machine's water inlet. Then, connect the push-in connector to the inlet filter nut.
3. Water Source Connection:
   • Direct Water Pipe: Connect the 2M water inlet pipe to a faucet using the faucet connection. Turn on the water supply.
   • Self-Priming: Place the self-priming filter end of the 2M water inlet pipe into a bucket of clean water.

Figure 4: Inlet Pipe Connection

2. Connecting the High-Pressure Outlet

1. Connect Outlet Pipe: Align the 6M outlet pipe with the machine's high-pressure outlet. Push firmly until it clicks into place.

Figure 5: Outlet Pipe Installation

3. Assembling the Gun

1. Attach Short Barrel: Insert the short barrel into the gun handle. Push firmly until it locks.
2. Attach Foam Kettle (Optional): If using, connect the foam kettle to the short barrel.

Figure 6: Water Gun Assembly (Note: Child lock design prevents accidental contact)

Figure 7: Water Gun Accessories (Connecting Foam Kettle, Adjusting Outlet)

4. Power Connection

1. Ensure the machine is placed on a stable, flat surface.
2. Plug the power cord into a suitable 220V/50Hz outlet.

Operation

Starting the High-Pressure Washer

1. Ensure all connections are secure and the water supply is open.
2. Turn the rotary switch to the