Lawn Mower Repair

A Quick Guide to lawn mower repair

How to replace the membrane on the mower

When the old mower pulls poor, chokes, doesn’t have enough strength, consumes too much fuel, and the spark is all black, it is a sign that it gets too much fuel and the mixture is too rich with the oil. This is caused by a worn-out membrane in the carburetor.

With a small amount of money, and just a little effort, you can replace the membrane and do the lawn mower repair by yourself, and the old mower will work like new.

Lawn Mower Repair

The first thing you need to do is to disconnect the air filter and wash it in gasoline, dry it out and put little engine oil on it. Then remove the carburetor and the tank, because usually, this is the only way that you can reach the membrane. Once you reach the membrane, remove it, and take it to the store or a service. Buy one just like it, put it in the place you found it and assemble the mower in reverse order.

How to sharpen a knife mower

If the blade is badly damaged or worn out, replace it. If it’s just dull, sharpen it. The knife can be easily removed with a conventional wheel removal key. Here you will need the help of another person. One person has to wear gloves, and hold the knife while the other person uses the wheel key for unscrewing the screw that holds the knife.

Basically, the direction of releasing the screw is exactly the same as the direction of rotation of the blade and it will again determine the best position of the blade. Sharpening the blade will easily be done by grabbing the knife in a vice and with an angle grinder.

Please note that it is necessary to keep the angle of the blade which is already determined.

After sharpening, put the knife on the pen and make sure that everything is in balance. If any party prevails, have that side sharpened again, until you remove enough material to achieve balance. A knife that is not balanced will create a large and very dangerous vibrations, which can destroy the mower, but there is also a danger of injury.

How to change the oil in the mower

Before each mowing season, change the oil in the mower. Before changing the oil, turn the mower on, and let the engine warm up. Place the mower in such a position to have access from below…

  • From below you should see the sump cap.Lawn Mower Change Oil
  • Place a container for the used oil under the plug hole.
  • Unscrew the plug completely and drain the oil.
  • After all waste oil has leaked, screw the cap back.
  • Find the plug in the control of the oil filler.
  • Unscrew the plug.
  • Select motor oil, medium quality will do just fine.
  • Pour carefully, do not pour too much, check the factory prescribed measures.
  • Check the oil level measuring stick on cap

Now you are ready for another season of lawn mowing.

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