How To Adjust The Chainsaw “Partner 350” Carburetor?

Carrying out repairs and dacha construction can not do without the use of a chainsaw, this statement is true in the care of the garden. If the tool is faulty, then all the work will arise because of this, so it is so important to have the skills to self-identify and troubleshoot. If you have a certain experience, then you will be able to adjust the carburetor, this procedure, although difficult, is quite feasible.

The need for adjustment.

Adjusting the carburetor of the Partner-350 chainsaw is required in rare cases, most often there are problems expressed in the wrong flow of fuel or motor wear. But there are signs that it is necessary to adjust the mechanism, here are some of them. After it was possible to start the engine, it immediately stalls. In some cases, users can not start it at all, and the reason lies in the shortage of fuel or an excess of oxygen. The problem may arise in the case of an increase in fuel consumption. The result is an increase in the volume of exhaust gases. This may occur due to the glut of the fuel mixture.

Mechanical causes of failure.

Adjusting the carburetor chainsaw “Partner-350” may be needed and with mechanical failures. For example, due to the impact of strong vibrations, the protective cap may be damaged. Ultimately, the bolts in the carburetor lose their fixation. The piston part of the motor may also wear out. Setting the carburetor helps in this case for a certain time, to fix the problem, you need to replace the worn part. The cause may be blockage due to the use of low-quality fuel. Damage to the filter and scale build-up can lead to similar effects. At the same time, the carburetor will need to be disassembled, washed well and adjusted.


If you adjust the carburetor of the Partner-350 chainsaw, you should familiarize yourself with the knotting device in more detail, in many models the design features do not differ much from each other. Therefore the above recommendations will be relevant.

Elements must be removed with maximum accuracy, putting them in order, in the process of carrying out the assembly it will help you. Three bolts hold the top cover. They need to be removed; then you will see a layer of foam rubber, which acts as an integral part of the air filter. The master will have to get rid of the fuel hose, and it will remove the drive rod.

Adjusting the carburetor chainsaw “Partner-350” is impossible; if you do not remove the tip of the rope, this should be addressed in the next step. Gasoline hose, which is located to the left of the union, will need to throw. All of the above work will allow you to disconnect the carburetor, which can be subjected to adjustment. This mechanism is complex, so if you need further disassembly, you need to remove the elements carefully, because their size is very small, because of which they can easily be lost.

Making adjustment.

If you have a Partner-350 saw, the carburetor can be adjusted independently without the involvement of specialists. Assessing your capabilities and experience, proceed to disassembly, recommendations for which were presented above. Further, it is possible to carry out adjustment and the subsequent adjustment. It is necessary to distinguish between three screws, in exactly this quantity they are available for the Partner saw; however, in some models, the screw is installed in a single copy. The manufacturer has identified each with its letter, which will allow you to understand what the element is intended for. Thus, the screw under the letter L must be used when setting the low speed. The top turns can be corrected by a screw under the letter H. Idling can be adjusted by a screw under the designation T, in other models only it can be present.

Additional recommendations.

If the Partner-350 saw has been acquired by you, the carburetor can be adjusted during operation. Before carrying out these works, you must remember that the factory settings are optimal. Using the screws described above, you can customize the operation of the motor in special situations; among them, there are various climatic conditions. It is necessary to use the screws under the letters L and H for adjustment. To increase the revolutions, they should be turned clockwise.

To reduce the speed, the screws are turned in the opposite direction. It is also important to take into account the sequence of using the elements, which looks like this: L. H. T. If during the adjustment you are faced with difficulties, then it is best to contact a specialist because an incorrect setting can disable the motor.

The need for adjustment.

To understand how the adjustment of the Partner-350 chainsaw is carried out, it is best at the first stage to become more familiar with the device of this node. If you understand the principle of operation and components, you will be able to determine the cause of the breakdown independently. The carburetor acts as one of the main parts of the engine, which is necessary for the preparation and subsequent supply of fuel; the latter consists of fuel and oxygen. If the ratio of these ingredients is violated, the motor may start to work incorrectly, and subsequently fail.

Carburetor device.

If you decide that adjustment of the Partner-350 saw is necessary, then initially you need to study the design of the elements. The system consists of a diffuser, which acts like a constriction to increase the flow rate of oxygen. The diffuser is located near the inlet through which fuel is supplied. There is a tube with a transverse damper in the carburetor. It is necessary to regulate the flow of oxygen. The fuel comes from the sprayer, and a needle represents it. To adjust the fuel at the entrance to the channel requires a float chamber, it is also available in the carburetor device.

Principle of operation.

If the Partner-350 chainsaw was purchased by you, you might need to adjust the carburetor during operation. To carry out these actions correctly, it is necessary to become familiar with the principle of operation of this piece of equipment. The fuel is sprayed in the diffuser with a stream of air, which allows you to create a mixture injected into the cylinder. The more fuel will flow in, the higher the engine speed will be. In the described model, as in any other, the carburetor operates according to the same scheme described above.

Ignition control.

Those people who have a saw “Partner-350”, adjustment of ignition is made quite often. When starting the idle for the first time, it needs to be checked, in order to perform it, it is necessary to turn the screw, which is responsible for adjusting the idle speed, clockwise. As soon as it stops, it should be turned counterclockwise by 4.5 turns. If after carrying out these manipulations the motor works without rotating the chain, then everything is in order. Otherwise, you need to contact the service center, as working with such a saw can be dangerous.