1. Important Safety Information
Read all instructions carefully before operating the lawn mower. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
General Safety
- Always ensure the 3-step safety start system is correctly engaged before operation to prevent accidental startup.
- Keep hands and feet away from the cutting blade.
- Do not operate the mower in wet conditions or on steep slopes.
- Wear appropriate personal protective equipment, including eye protection and sturdy footwear.
Battery Safety
- Fully charge both 18V 4.0Ah Lithium-Ion batteries before first use.
- Use only the charger provided with the lawn mower.
- Do not expose batteries to extreme temperatures or direct sunlight.
- Store batteries in a cool, dry place when not in use.
2. What's in the Box
Your YARDCARE cordless lawn mower package includes the following components:
- YARDCARE Cordless Lawn Mower
- 8-Gallon Grass Collection Bag
- (2) 18V 4.0Ah Lithium-Ion Batteries
- Battery Charger
- User Manual

Figure 2.1: All components included in the YARDCARE lawn mower package.
3. Assembly Instructions
Follow these steps to assemble your YARDCARE lawn mower before first use.
3.1 Handle Installation
- Attach the lower handle bars to the main mower unit using the provided screws and secure them firmly.
- Connect the upper handle bar, which contains the control panel, to the lower handle bars. Secure with the blue levers.
- Ensure all connections are tight and the handle is stable.
Video 3.1: An introductory video demonstrating the assembly and features of the YARDCARE Cordless Lawn Mower.
3.2 Grass Bag Assembly
- Assemble the metal frame for the 8-gallon grass bag by connecting the pieces as shown in the user manual.
- Slide the fabric bag over the assembled frame.
- Lift the rear discharge flap of the mower and hook the grass bag onto the designated slots. Ensure it is securely attached.

Figure 3.1: The 8-gallon grass collection bag being attached to the rear of the lawn mower.
3.3 Battery Insertion
- Open the battery compartment cover located on top of the mower.
- Insert both 18V 4.0Ah batteries into their respective slots until they click into place.
- Close the battery compartment cover securely.

Figure 3.2: Two 18V 4.0Ah batteries being inserted into the mower's battery compartment.
4. Operating Instructions
Familiarize yourself with the mower's controls and features for optimal performance.
4.1 Starting the Mower
- Press the power switch on the handle.
- Depress the safety button.
- Hold the bail switch to start the mower. Release the bail switch to stop.

Figure 4.1: The three-step safety start procedure for the YARDCARE lawn mower.
4.2 LED Display and Speed Adjustment
The integrated LED digital display provides real-time information:
- Battery Life: Monitor remaining battery charge.
- Cutting Speed: Adjust between low (Eco) and high (Power) speed modes using the +/- buttons. Low speed offers up to 60 minutes runtime, while high speed provides up to 40 minutes.
- Error Alerts: Receive notifications for any operational issues.

Figure 4.2: The smart LED display screen on the mower handle.
4.3 Cutting Height Adjustment
Customize your grass height with 5 easy-to-adjust settings:
- Adjust the lever near the front wheel to select a cutting height from 0.98" to 2.56".
- Choose a higher setting for longer grass or to maintain a healthier lawn.

Figure 4.3: Visual representation of the 5-position cutting height adjustment.
4.4 Mowing Tips
- For best results, mow when the grass is dry.
- Overlap cutting paths slightly to ensure even coverage.
- Runtime may vary based on grass conditions and operator technique.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your lawn mower.
5.1 Cleaning
- After each use, remove the grass collection bag and empty clippings.
- Clean the underside of the mower deck and the cutting blade to prevent grass buildup.
- Wipe down the exterior of the mower with a damp cloth.
5.2 Battery Care
- Always charge batteries fully after each use.
- Do not store batteries in a discharged state for extended periods.
5.3 Storage
- The mower features a compact design, allowing it to save up to 50% space when stored.
- Fold the handle down and store the mower in a dry, protected area.

Figure 5.1: The compact storage capability of the YARDCARE lawn mower.
6. Troubleshooting
If you encounter issues, refer to the LED display for error codes and consult the table below.
| Problem | Possible Cause | Solution |
|---|---|---|
| Mower does not start | Low battery charge; Safety sequence not followed | Charge batteries; Follow 3-step safety start |
| Mower stops during operation | Overload (e.g., very thick grass); Low battery charge | Clear obstruction; Recharge batteries; Adjust cutting height |
| Error code displayed (e.g., E9) | Internal fault | Refer to user manual for specific code; Contact customer support |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | YARDCARE |
| Model Number | US-BLM40034 |
| Power Source | Battery Powered (2x 18V 4.0Ah Lithium-Ion) |
| Motor Type | Brushless (3200 RPM) |
| Cutting Width | 13 Inches |
| Cutting Height Adjustment | 5-Position (0.98" to 2.56") |
| Grass Bag Capacity | 8 Gallons |
| Item Weight | 27 Pounds |
| Product Dimensions | 11.8"D x 15.35"W x 25.2"H |
| Assembly Required | Yes (Minimal) |
8. Warranty and Support
For warranty information, product support, or to report any issues, please refer to the contact details provided in your physical user manual or visit the official YARDCARE website.






