The Part Of Your Lawn Mower That You Definitely Aren't Cleaning Enough

When discussing the maintenance of a lawn mower, attention often turns to elements such as the blades, the motor, or the fuel system, all of which are undoubtedly important aspects. Yet, the deck, which is an essential part that requires as much attention as the rest of your mower, if not more, often goes overlooked. The deck houses the cutting blades and facilitates the orderly expulsion of grass clippings. 

Far from being a superficial aspect, the cleanliness of your mower deck has direct implications for the machine's performance and longevity. Neglecting to clean the deck after use leads to a buildup of grass clippings, a seemingly innocuous issue that hides a host of potential problems. Regular cleaning removes this buildup and prevents damage. Furthermore, a clean mower deck not only enhances the machine's efficiency but also safeguards the health of your lawn.

The importance of cleaning your mower's deck

As you mow, grass clippings, debris, and sometimes even dirt are thrown against the inside of the deck. Over time, these materials can accumulate, forming a layer of compacted grass and debris — a sticky, tangled mess that can restrict your mower's cutting efficiency. It's akin to running a marathon with a backpack filled with bricks; it slows you down and leaves you drained. 

In the context of your mower's performance, the excess clippings can also get tangled with the blades, causing them to dull faster and making your mower work harder than necessary. Over time, the efficiency and longevity of your lawn mower will diminish, potentially leading to a complete breakdown and costly repairs.  Too much buildup on the deck also translates into uneven cuts and can trap moisture against the deck's metal parts, which can lead to rust and corrosion.

Furthermore, an uncleaned deck can turn your mower into a carrier of lawn diseases. Cutting grass exposes the plant's interior structure to the environment, making it vulnerable to any pathogens or dirt present on the mower deck. By regularly cleaning the deck, you reduce this risk, ensuring that your lawn stays healthy and lush. Cleaning the deck also allows for inspecting the blades for damage or dullness. Sharp, well-maintained blades ensure an even, clean cut, which is healthier for your lawn.

Cleaning the mower deck: a step-by-step guide

Cleaning your lawn mower's deck is a relatively straightforward task. Start by disconnecting the spark plug for safety reasons — you wouldn't want the mower starting unexpectedly. Next, use a garden hose to spray down the deck, ensuring the water pressure is high enough to dislodge any grass clippings or debris that have stubbornly made the deck their home. Some spots may be more stubborn than others. For these hard-to-clean areas, a brush or similar tool comes in handy. 

You're in luck if your lawn mower comes with a detachable deck. Detaching the deck allows a closer, more thorough look at its underside. With the deck removed, you can meticulously clean and inspect it, paying special attention to the discharge chute area, a notorious hangout spot for grass clippings. Pay particular attention to the area around the discharge chute, where grass clippings tend to accumulate.

Once you've done your due diligence in removing as much grass and debris as possible, let the deck dry completely. Drying is vital, as it prevents any trapped moisture from promoting rust or corrosion. Finally, consider applying a silicone spray or a similar protective coating to prevent future buildup and protect the deck from corrosion. This protective layer is your deck's armor, shielding it from the wear and tear of regular use. Once done, you can reattach the deck, reconnect the spark plug, and your mower is ready to go.

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