McCulloch LM3846 SD Spare Parts List
![McCulloch LM3846 SD manual cover](/images/OhxskGIHAvqfutcZklZclFIo/thumbs/thumb175x175.webp)
To start the McCulloch LM3846 SD lawn mower, ensure the fuel tank is filled and the oil level is adequate. Press the primer bulb 3-5 times if the engine is cold. Pull the starter handle firmly until the engine starts.
If the mower does not start, check the fuel and oil levels first. Ensure the spark plug is connected properly and is not damaged. Clean or replace the air filter if necessary.
It is recommended to sharpen the mower blades at least once per mowing season or after every 25 hours of use to maintain cutting efficiency.
To adjust the cutting height, locate the height adjustment lever on each wheel. Move the lever to the desired position, ensuring all four wheels are set to the same height for an even cut.
To clean the underside of the mower deck, disconnect the spark plug for safety, then tip the mower onto its side. Use a brush or hose to remove grass clippings and debris. Avoid using harsh chemicals.
Regular maintenance includes checking and replacing the oil as needed, cleaning or replacing the air filter, inspecting and replacing the spark plug annually, and ensuring the blades are sharp.
Before storing, clean the mower thoroughly, drain or stabilize the fuel, change the oil, and remove the battery if applicable. Store in a dry, sheltered area to prevent rust and damage.
Excessive vibration can be caused by unbalanced blades or loose parts. Check and tighten all bolts and nuts, and inspect the blades for damage or imbalance. Replace if necessary.
To improve cutting performance, ensure the blades are sharp, the engine is running smoothly, and the deck is clean. Adjust the cutting height according to the grass length and mow when the grass is dry.
Always wear appropriate footwear and eye protection. Clear the mowing area of debris, and never lift or tilt the mower while it is running. Keep hands and feet away from the cutting deck.