Calm repair 180 do-it-yourself carburetor fills

In detail: do-it-yourself calmer repair 180 do-it-yourself carburetor fills from a real master for the site my.housecope.com.

Chainsaw Calm 180 - device and carburetor adjustment

The stihl ms 180 chainsaws are designed to make their use as easy as possible for inexperienced users. For this, some of the settings available on the more powerful Stihl models have been abolished in the saw carburetor. But there is still an opportunity to adjust, and repairs, as well as adjusting the carburetor of the chainsaw calm 180 with your own hands, is possible.

Image - Do-it-yourself repair of calm 180 the carburetor fills

First, it is worth deciding why it may even be necessary to adjust and repair the stihl ms 180 carburetor at all. So, this must be done in the following cases:

  • if the chainsaw does not idle;
  • repairs may be required if the saw does not start;
  • there is a loss of power;
  • increased fuel consumption;
  • the chainsaw does not reach maximum rpm.
  • stalls when accelerating.

This list can be continued for a long time, but we have identified the main reasons. Before proceeding with the adjustment, you need to know what the main parts are. carburetor on the chainsaw calm 180, and who produces it.

So, the stihl ms 180 carburetor is developed and manufactured by a subsidiary of Stihl, called Zama. Original carburetors have a company logo on their body, which guarantees the quality of products.

A fuel pump is installed directly in the carburetor body, which operates under the action of an air pulse from the crankcase of the chainsaw, which is transmitted through special channels. A diaphragm is installed in the pump, it is she who is responsible for pumping fuel under the action of an impulse. A gasket is installed between the diaphragm and the body, which is responsible for the tightness of the fuel pump.

Video (click to play).

In the distribution chamber, as in the fuel pump, there is also a membrane that opens and regulates the fuel supply by pressing a special rocker arm, which raises its needle valve.

Image - Do-it-yourself repair of calm 180 the carburetor fills

The cover of the chamber is the compensator body, which is attached to the carburetor with four screws; a gasket is installed between the body and the cover, which increases the height of the chamber and is responsible for sealing.

The fuel injector is mounted in the carburetor body in such a way that it is a connecting link between the distribution chamber and the cavity in which the throttle valve is installed. Simultaneously with the fuel, air is supplied to the nozzle and an air mixture is formed. The injector has a check valve that blocks the flow of air in the reverse sequence, that is, from the throttle chamber to the distribution chamber.

The throttle valve is installed in the carburetor body and is responsible for increasing the supply of the fuel mixture directly to the engine cylinder. At the moment of pressing the gas, the throttle valve opens slightly, thereby increasing the throughput of the channel and the fuel from the carburetor cavity, rushes into the cylinder in a larger volume.

Image - Do-it-yourself repair of calm 180 the carburetor fills

Combustion of a larger volume of fuel increases the amount of generated energy, which affects the power and speed of the processes. The damper is installed on the shaft passing through the entire carburetor body. At the exit of the shaft from the body, a mount for the gas cable is installed, next to it is a cone-shaped adjusting screw responsible for adjusting the idle speed. By tightening the screw, you can slightly adjust the position of the shaft and the damper installed on it, thereby increasing or decreasing the idle speed, slightly opening or vice versa closing the damper.

How to repair carburetor on a chainsaw Calm ms 180.