Clarke 3400040 CLM490SR Rotary Lawnmower Instructions
![Clarke 3400040 CLM490SR Rotary Lawnmower manual cover](/images/PYzvnkfxQpmiIMIftJLVwamf/thumbs/thumb175x175.webp)
To start the Clarke 3400040 CLM490SR Rotary Lawnmower, ensure that the fuel tank is filled and the oil level is correct. Engage the safety handle, press the primer bulb a few times if required, and pull the starter cord briskly.
The Clarke 3400040 CLM490SR Lawnmower is designed to run on unleaded petrol with an octane rating of 87 or higher. Do not use ethanol blends greater than 10%.
It is recommended to sharpen the mower blades after every 20-25 hours of use or at the beginning of each mowing season to ensure optimal performance and a clean cut.
To adjust the cutting height, locate the height adjustment lever near the wheels and move it to the desired position. Ensure all wheels are set to the same height for an even cut.
If the lawnmower fails to start, check the fuel level, ensure the spark plug is connected, inspect the air filter for clogs, and verify that the primer bulb is functioning. Replace any faulty components.
To prevent stalling, avoid cutting wet or overly tall grass, ensure the air filter is clean, and verify that the blades are sharp and properly balanced.
Perform regular maintenance including checking the oil level before each use, cleaning the air filter every 25 hours, and replacing the spark plug annually. Regularly inspect the blades and belts for wear.
After use, disconnect the spark plug for safety, tilt the mower to access the underside, and use a brush or hose to remove grass clippings and debris. Avoid using high-pressure water directly on the engine.
The Clarke 3400040 CLM490SR can handle slight inclines, but avoid excessively steep or uneven terrain to prevent engine strain and ensure user safety. Adjust the cutting height accordingly for best results.
Excessive vibration may indicate a problem with the blade. Turn off the engine, disconnect the spark plug, and inspect the blade for damage or imbalance. Replace or sharpen the blade if necessary.