Chainsaw is irreplaceable in cases when it is required to perform work in places much isolated from civilization. However, the garden is also much more convenient to use the petrol tool, rather than carrying along a few dozen meters of extension cable.
Unfortunately some drawbacks even has a chainsaw. A carb adjustment will probably confound that man who is not too friendly with the mechanics. To understand this issue, we invite you to read our article.
On any modern saw carburetor has three special screws
The Location of each of them specific to different manufacturers, so that to clarify this question it is necessary, using the manual. Easiest carb adjustment chainsaw “Friendship”, as manual maintenance find easy.
As you can see, the first two devices regulate the ratio of air and fuel mixture. If the screw is spinning in the combustion chamber will go lean and the rpm will fall. On the contrary, by unscrewing them counterclockwise to burn will “fat” the fuel mixture, causing the rpm will increase.
Quite the opposite adjusts the idle speed. If the screw “T” to turn clockwise, the speed will increase. Once again we remind you that every chainsaw, carb adjustment which we consider a unique setting bodies settings. So carefully look the manual!
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The Initial tuning carried out at the factory. Note that this adjustment provides for a slightly richer fuel mixture. This must be retained in the first hours when running a chainsaw. Adjusting the carburetor in the future suggests a more precise tuning.
The First tool is put to idle while the chain rotates in the working tyre, you need to tighten up the screw "T" counterclockwise. Tighten it until then, until the chain. Note that to perform this operation only on a heated tool, and for that we need the Rev counter. So, the carb adjustment chainsaw “home” should be performed only by specialists.
Note that the first adjust screw "L" after that “H”, and in the end go to setup “T”.
To begin, you'll need to find the highest idle speed, turning the valve “L” clockwise or in the opposite direction. Once you've found peak rpm, the screw needs to turn 1/4 counter-clockwise. If the chain then continues to rotate, it is necessary to turn the screw "T" counterclockwise.
As soon As the engine will run at full speed for at least 10 seconds, you need to twist ‘N’ 1/4 turn, moving it against the direction of clockwise. Again operate the machine for at least ten seconds. Be sure to check the maximum speed!
If the number does not match the passport data, the adjustment must be repeated. In the case when you set too lean, the engine will be “scream”. If “food” too rich, then the muffler will go greasy smoke.
Thus, the modern chainsaw, carb adjustment which we have considered, is quite a complicated instrument.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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