Anyone who owns a lawnmower and understands the functionality of its engine knows that the spark plug of a lawnmower is one of its most integral components. This is because of the fact that this component is used within all of the operations of a lawnmower. So, if you experience trouble with starting your lawnmower engine, the spark plug is the first thing you’ll end up checking. However, in order to check and ensure that the spark plug of the lawnmower is fine and working, you have to first remove it.
Removing The Spark Plug from a Lawn Mower
The easiest and quickest way to remove the spark plug from the lawnmower is to use a socket, which has been specifically designed to extract the spark plug. Although, some situations may arise where you do not have access to this specifically made socket. So, here are four different methods that you can adopt in order to remove the spark plug from a lawnmower, if you ever find yourself in such a situation.
Remove Spark Plug from Lawn Mower: Parking Your Lawn Mower
First things first, before you begin the process itself, it is vital that you park your lawnmower on a smooth and even surface. Not only does it make the process much safer, but the even surface allows for better and easier access to the bottom of the lawnmower. Once you have parked the lawnmower and turned the engine off, allow the engine to cool down first completely. It would be best to double-check the parking brakes before moving on to the next step. While access might still be limited, you must never turn your lawnmower onto its side for ease of access. This is because turning it onto its side can cause the oil within the reservoir of the engine to travel to other parts of the engine.
Remove Spark Plug from Lawn Mower: Get Your Tools Together
While you may not have access to the only and only tool, that is, the socket you need, you will need some other tools you can use to get the job done. Apart from a socket, you can also find a socket wrench in any hardware store. This special wrench features a rubber component, which can stick to the spark plug and allows the user to pull the spark plug out easily. However, if you do not have access to this socket wrench, here is a list of other tools you can use.
- Adjustable wrench, box-end wrench (nut wrench), or an open-end wrench
- Nose Pliers
- A powerful magnet
- Rubber hose or pipe
Each of the four tools mentioned above can be used individually to remove the spark plug from a lawnmower. So, while you may not have access to a socket or socket wrench, you will still be able to find one or more of the tools mentioned above at your immediate disposal.
Remove Spark Plug from Lawn Mower: Preparation
Before moving on to the next step, it is vital that you start by disconnecting the cables of the spark plug from the lawnmower. Then grab a cleaning cloth and wipe off any debris or dirt covering the threads of the spark plug.
Method 1 – Removing the Spark Plug Using a Wrench
Lawnmower spark plugs vary in terms of their size according to their manufacturing company. The thread size of a typical spark plug can be anywhere between 10 mm to 12 mm. So, your wrench should be able to adjust up to 3 inches to 4 inches to be able to cater to most spark plugs. The best wrench to use would be a box-end wrench, provided that there are no obstructions. However, you can also make do with an adjustable or an open-end wrench. Using your wrench, clasp the spark plug and begin twisting it anti-clockwise. The spark plug will come loose and can then be pulled out. Be sure to avoid causing any damage to the threads.
Method 2 – Removing the Spark Plug Using A Nose Plier
Another tool that you can use is known as a nose plier, which is quite similar to your average plier. However, a nose plier features long gripping strands made of metal rather than the average thick gripping strands. So, grab the nut component on the spark plug using the nose pliers and start twisting anti-clockwise. When using nose pliers, you will require greater strength to be able to undo the spark plug.
Method 3 – Removing the Spark Plug Using a Powerful Magnet and a Wrench
This method is ideal for removing spark plugs that are situated much deeper into the engine of the lawnmower. In that case, you can use a simple technique using a wrench and a powerful magnet. First, attach the magnet to the end of your wrench. Then, using the wrench, get the magnet as close as you can to the upper terminal of the spark plug. Since the terminal is magnetic, it will stick to the magnet if it is powerful enough, allowing you to pull it out. Instead of a wrench, you can use a screwdriver.
Method 4 – Removing the Spark Plug Using A Rubber Hose Or Pipe
You can also use a rubber hose by fixing the end of the spark plug into the opening of the rubber pipe. Then, start rotating the rubber hose clockwise. This allows the rubber hose to fasten itself onto the upper terminal of the spark plug. You can then pull the plug out.
As you don’t have access to tools that have been specifically made to remove a spark plug, you might run into some issues, such as the spark plug refusing to turn. This could be due to the fact that as the spark plug sits in place, the spark plug can not only blacken, but the gap between the terminal may also reduce. If you’re having trouble, try looking for signs of rusting on the spark plug. In this case, you can then use a lubricant, such as WD-40. Allow the lubricant to sit on the spark plug for about two to three minutes, and then use your desired method.
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