1. Introduction
Thank you for choosing the AIWEIYA NY-900 Remote Control Lawn Mower. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new lawn mower. Please read this manual thoroughly before operating the machine and keep it for future reference.

2. Safety Information
Always prioritize safety when operating machinery. Failure to follow safety instructions can result in serious injury or damage to the equipment.
General Safety Precautions:
- Ensure the remote control and lawn mower are charged before use.
- Always check the engine oil and fuel levels before starting.
- Do not overfill the fuel tank or engine oil reservoir.
- Turn off the air switch when the mower is not in use.
- Avoid leaving the mower idle for long periods without starting the engine.
- When mowing on slopes, operate left and right rather than directly up and down.
- Before starting, conduct a comprehensive inspection of the mowing area to ensure no one is in the dangerous zone.
- Always wear safety helmets, goggles, sturdy shoes, and other appropriate personal protective equipment.
- Choose an appropriate route and speed based on terrain and grass density.
- Regularly check and tighten all screws and bolts. Ensure no loose or missing wires.
- Do not operate continuously for extended periods in extreme hot or cold weather. Allow the equipment to rest for 10 minutes when refueling.
- Use the mower in a well-ventilated environment.
- Thoroughly inspect the mowing area for branches, stones, wires, and other debris. Be aware of holes and stumps.
- Before each start, ensure the blade is clear of the ground and other objects.
- Check blade mounting screws and engine tightness. Replace bent or unbalanced blades immediately.
- Do not refuel when the engine is running or hot. Allow the engine to cool for at least 3 minutes before refueling.
- Pay attention to safety when cutting grass on surfaces with a large tilt angle.
- Stop immediately and check for damage if the mower encounters any objects.
- Turn off the engine when crossing gravel sidewalks or driveways.
- Disinfect the blade and chassis after use during disease seasons.
- Store the mower in a dry, clean environment after the mowing season.
- Do not allow children under 16 or intoxicated individuals to operate the mower.
3. Package Contents
Upon receiving your AIWEIYA NY-900 Remote Control Lawn Mower, please ensure all components are present:
- AIWEIYA NY-900 Lawn Mower Unit
- Industrial Remote Control
- Charger for Remote Control
- Instruction Manual (this document)
- Basic Tool Kit (may vary)
4. Setup
4.1 Initial Preparation
- Add Fuel and Check Engine Oil: For gasoline models, add 92# gasoline. Check the engine oil level; ensure it is at the second groove. Do not overfill.
- Charge Remote Control and Mower: Open the remote control port and the lawn mower charging port to connect the chargers. Ensure both are fully charged before first use.
4.2 Emergency Stop Button Setup
- Activate Emergency Stop: Rotate and unscrew the red emergency stop button on the mower's control panel to release it.
- Activate Remote Control Emergency Stop: On the remote control, press and hold the middle switch button for 2 seconds to turn on the remote control's emergency stop function.

5. Operating Instructions
5.1 Starting the Lawn Mower
- Turn on Air Switch: Locate and turn on the air switch on the mower's control panel.
- Start-Stop Switch: Turn on the start-stop switch for the gasoline lawn mower.
- Prepare for Start: On the mower, open the throttle and raise the choke.
- Engine Start: Simultaneously press the