Stihl Saw Does Not Develop Cause Turnovers

The main causes of chainsaw damage

Although the chainsaw is a simple device, from time to time there are problems in its operation, which can be eliminated only by disassembling. The following malfunctions can be cited as examples:

  • chainsaw is not gaining momentum;
  • chainsaw ceases to function in the cut;
  • the chainsaw starts and stalls;
  • chainsaw loses its power;
  • chainsaw stalls when pressed.

Most often, malfunctions are associated with interruptions in the functioning of the motor, as well as with malfunctions of other systems and nodes. Of great importance is the proper handling of this technique. When all the rules of use are followed, the problems with a high probability lie in the most obvious. When searching for the causes of malfunctions, it is advisable to start by checking the simplest part of the chainsaw and ending with the most difficult.

Checking the main chainsaw systems

If the chainsaw refuses to work normally, you need to make sure that all the conditions required for its normal functioning are provided:

Stihl Saw Does Not Develop Cause Turnovers

Then it is necessary to consistently check the functioning of all its elements. First you need to check the fuel tank. If the cause is not in volume and not in fuel quality, then the spark plugs may be the probable cause of the malfunction. The clearance at the candle should not exceed 0.5 millimeters. If it is too small, it means that soot has deposited on candles. In this case, remove the candles, clean them, and then reinstall them and try to start the chainsaw. In addition, it is advisable from time to time to completely replace the candles with new ones, even if they are in good condition.

Then you need to check the condition of the fuel filter and carburetor. Self-cleaning the fuel filter is a simple task, but the carburetor repair is best left to specialists.

Chainsaw starts and stalls. reason

If the chainsaw starts and stalls When trying to do the job for the first time, the cause may be a problem with the chain brake or its jamming due to lack of lubrication. In this case, measure the oil level. If the amount of lubricant is sufficient, the cause may be a tube that leads to the lubrication mechanism.

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Another reason could be a carburetor breakdown. If he needs only adjustment, it can be done independently in accordance with the instructions. If the carburetor needs to be cleaned or repaired, then do not do without the help of professionals.

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Another possible cause of this malfunction is the low fuel level in the tank. In this case, the chainsaw stalls when tilted, since the remainder of the fuel mixture is in the part of the tank opposite to the place where the suction tube is located.

Why chainsaw stalls when heated

It often happens that a chainsaw starts up cold, but stalls during heating. This behavior of the tool can be caused by the following reasons:

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  • The carburetor is incorrectly configured. This problem can be identified by how the device starts up to a cold one. If it is done without closing the air damper, and the engine starts without a preliminary flash, this means that after heating the engine, fuel fills the spark plug. The solution to this problem is to adjust the carburetor. Carburettor Adjustment Details
  • Malfunction of the coil (ignition module). This problem can be detected by sequentially checking the spark first on a cold, and then on a hot motor. If there is no spark on a hot engine, then the ignition coil must be replaced.
  • Faulty spark plug. In this situation, as with a malfunction of the ignition module, the spark disappears when the engine is heated. It is necessary to replace the spark plug with a new one, and if this does not lead to a solution of the problem, then the ignition module and the distance between it and the flywheel should be checked.

Why the chainsaw stalls under load

Sometimes a chainsaw is unable to function normally under load. Most often, this is caused by improper adjustment or leaking carburetor. In addition, the cause of this problem may be air leaks through the carburetor gasket or crankshaft oil seals. A tool that is unable to function under load also cannot confidently maintain idle speed.

Diagnostics begins by checking the carburetor and crankcase for leaks. If air leaks are detected through the crankshaft oil seals, their replacement is required. If air leaks are detected in the carburetor, a repair kit for the gaskets is required to solve the problem.

If these actions do not lead to the desired result and the crankcase of the engine with the carburetor is tight, then you need to adjust the carburetor.

If the Husqvarna chainsaw stalls under load, then for any deviations in the functioning of the motor, first of all, check the impulse hose, as this is the most common cause of breakdown of chainsaws of this brand.

What to do if a chainsaw dies when you press the gas

One of the most common questions regarding the operation of this device: why does the chainsaw stall when you press the gas and what needs to be done to solve this problem? In this situation, you must perform the following steps:

  • check fuel filter;
  • inspect fuel hoses for leaks;
  • check the muffler;
  • try to add a little speed;
  • check the condition of the rubber seals on the crankshaft.

Why the chainsaw is not gaining momentum and stalls

If the saw cannot gain momentum or stalls when you press the gas, then most likely this is caused not by the tightness of the carburetor or the crankcase. This problem is resolved by checking for leaks and adjusting the carburetor.

In addition, this malfunction may be due to a defect in the fuel tank breather. Due to the formation of vacuum in the fuel tank during the operation of the chainsaw, the required volume of the fuel mixture does not enter the engine, as a result of which it cannot gain speed or stall. If you stop the chainsaw, open and close the fuel tank and turn it on again, it will normally work for about five minutes, and then again will cease to gain speed or stall.

Another possible reason that the chainsaw is not able to gain speed may be an excess of soot in the muffler, which complicates the exhaust gas outlet, which reduces the power and speed of the motor.

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