1. Introduction
1.1 Product Overview
The MTD 46 BS is a robust gasoline-powered push-wheel lawnmower designed for efficient lawn care. It features a 46 cm cutting width and adjustable cutting heights ranging from 20 mm to 90 mm, making it suitable for lawns between 500 and 1000 square meters. The integrated 70-liter collection bag ensures clean operation.
1.2 Safety Information
Always read and understand this manual before operating the lawnmower. Failure to follow instructions can result in serious injury or property damage. Keep children and bystanders away from the operating area. Wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, and sturdy footwear.
- Never operate the lawnmower without the grass catcher or discharge guard in place.
- Do not operate the lawnmower in wet grass or on steep slopes.
- Turn off the engine and disconnect the spark plug wire before performing any maintenance or clearing blockages.
- Store fuel in an approved container in a well-ventilated area, away from ignition sources.
2. Setup
2.1 Unpacking
Carefully remove all components from the packaging. Retain packaging materials for future storage or transport. Inspect all parts for any signs of damage. If any parts are damaged or missing, do not proceed with assembly; contact your dealer immediately.
2.2 Handle Assembly
Attach the upper handle to the lower handle using the provided bolts and knobs. Ensure all connections are secure and the handle is firmly in place. The handle can typically be adjusted to different heights for user comfort.
2.3 Grass Catcher Assembly
Assemble the grass collection bag according to the instructions provided with the bag components. Once assembled, lift the rear discharge flap and hook the grass catcher onto the lawnmower chassis. Ensure it is securely attached before operation.
2.4 Fuel and Oil
Before first use, fill the engine with unleaded gasoline and the recommended engine oil. Refer to the engine manual for specific oil type (e.g., SAE 30) and capacity. Do not overfill. Always use fresh, clean fuel. Never refuel while the engine is running or hot.
An image showing the MTD 46 BS Push Wheel Lawnmower from the side, highlighting its red deck, black engine, and grass collection bag.
3. Operating
3.1 Starting the Engine
- Ensure the fuel tank is filled and the engine oil level is correct.
- Press the primer bulb (if equipped) 3-5 times until fuel is visible in the bulb.
- Move the throttle lever to the 'Start' or 'Choke' position.
- Firmly pull the starter cord with a smooth, continuous motion until the engine starts. Do not let the cord snap back.
- Once the engine starts, gradually move the throttle to the 'Run' position.
3.2 Adjusting Cutting Height
The cutting height can be adjusted between 20 mm and 90 mm. Use the height adjustment levers located on each wheel or axle to set the desired cutting height. Ensure all wheels are set to the same height to achieve an even cut. Adjusting the height is easier when the engine is off and the lawnmower is on a flat surface.
3.3 Mowing Tips
- Mow dry grass for the best results and to prevent clogging.
- Overlap cutting paths slightly to ensure complete coverage.
- Do not attempt to cut too much grass at once; adjust the cutting height to remove no more than one-third of the grass blade length.
- Regularly empty the grass collection bag to maintain optimal collection performance.
- Clean the underside of the mower deck after each use to prevent grass buildup.
4. Maintenance
4.1 General Maintenance
Regular maintenance ensures optimal performance and extends the life of your lawnmower. Always disconnect the spark plug wire before performing any maintenance or inspection to prevent accidental starting.
4.2 Blade Care
Inspect the blade regularly for sharpness and damage. A dull blade tears grass, leading to an unhealthy lawn. If the blade is dull, have it sharpened or replaced by a qualified service technician. Always ensure the blade is balanced after sharpening to prevent excessive vibration.
4.3 Engine Maintenance
- Oil Change: Check the engine oil level before each use. Change the oil after the first 5 hours of operation, then every 25 hours or annually, whichever comes first.
- Air Filter: Clean or replace the air filter as necessary, especially in dusty conditions. A clogged air filter can reduce engine performance.
- Spark Plug: Inspect and clean the spark plug annually. Replace if electrodes are worn or pitted. Ensure the correct gap is maintained.
4.4 Storage
Before storing the lawnmower for extended periods (e.g., over winter), clean it thoroughly. Drain the fuel from the tank or add a fuel stabilizer to prevent fuel degradation. Store the lawnmower in a dry, protected area, away from direct sunlight and extreme temperatures.
5. Troubleshooting
This section provides solutions to common problems you might encounter with your MTD 46 BS lawnmower. If the issue persists, contact an authorized service center.
| Problem | Cause | Solution |
|---|---|---|
| Engine won't start | No fuel, old fuel, spark plug dirty/faulty, air filter clogged | Fill tank, use fresh fuel, clean/replace spark plug, clean/replace air filter |
| Uneven cut | Dull blade, incorrect cutting height setting, wheels not aligned | Sharpen/replace blade, adjust height evenly, check wheel alignment |
| Excessive vibration | Bent blade, loose blade, engine imbalance | Check/replace blade, tighten blade bolt, consult service center |
6. Specifications
Detailed technical specifications for the MTD 46 BS Push Wheel Lawnmower.
| Feature | Detail |
|---|---|
| Brand | MTD |
| Model | 46 BS |
| Engine Type | Gas powered |
| Cutting Width | 46 Centimeter |
| Minimum Cutting Height | 20 Millimeter |
| Maximum Cutting Height | 90 Millimeter |
| Collection Bag Capacity | 70 Liter |
| Recommended Lawn Area | 500 - 1000 m² |
| Color | Red |
| Material | Plastic |
| Operation Mode | Manual |
| GTIN | 04008423861303 |
| First Available | March 4, 2020 |
7. Warranty and Support
This MTD 46 BS lawnmower comes with a standard manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions regarding coverage, duration, and claims procedures.
For technical assistance, spare parts, or service inquiries, please visit the official MTD website or contact your authorized MTD dealer. Ensure you have your model number (46 BS) and serial number ready when contacting support.
