The most compact and having a sufficiently large power is called the Stihl chainsaw. It allows you to perform various operations with wood. This model is the most popular device, as it has a good cutting ability. The tool has many additional accessories that add convenience to the work.
Schematic diagram of the Stihl chainsaw.
The Stihl chainsaw chain lubrication system consists of:
- guide rail;
- saw chain;
- oil pump.
The oil supply by the pump has a special adjustment. Lubrication of the chainsaw chain occurs continuously during operation. Therefore chainsaw chains have a long service life.
During operation, the chain requires a constant supply of lubricant. It must be provided with a continuous feed. This is required by the design of the device. During operation of the chainsaw, the oil leaves the groove of the tire, is instantly absorbed by sawdust.
For this reason, the chain is lubricated automatically. Some chainsaw chains are equipped with a system that controls the exact amount of lubricant supplied. The cheapest devices are equipped with a hand pump, which runs on a drive located on the handle.
Scheme of checking the operation of the chain lubrication system.
A special oil has been specially developed for good chain lubrication. After work, it quickly decomposes, so there is no violation of the ecological system. You can also use brand oils:
Transmission grease is absolutely unsuitable for operation. In winter, it freezes, as a result, the oil system becomes clogged, it is necessary to completely clean it.
In winter, chain lubrication requires special attention. Branded oil "M-20" thickens with severe frost and resembles petroleum jelly. Therefore, to work in the winter, it is necessary to lubricate the chainsaws with special winter oil, which has a more liquid consistency.
It is not always possible to purchase such a lubricant. To solve the problem, diesel fuel is mixed with oil, the viscosity decreases. However, if the previously filled oil remained in the crankcase, then the addition of diluted oil will not give a positive effect, the channels of the system will remain clogged. There is only one way out. heating the chainsaw in a warm room.
If the chain oil does not harden very much, you can try to melt it by running the saw at low idle.
The layout of the holes for lubrication.
Before you start operating chainsaws, you need to check the lubrication system of the chainsaw chain. For this purpose, it is necessary to hold the end of the tire by placing a paper sheet under it. When rpm is added, an oily strip should form on the sheet.
Proper lubrication of the chain greatly increases the life of the chainsaw headset. If there is not enough oil, then the device will be dry. The cutting headset will break quickly. The friction of the parts should be minimal, so all guides, joints should be covered with an oily film.
When the chain moves along the guide bar, the lubrication system must provide a constant flow of oil. This function is performed by the oil pump. With it, the right amount of oil is fed into the guide rail and its groove.
Leading links of the chain spread the oil over the total length of the groove. The guarantee of the right
chain lubrication is considered:
Video: Stihl 180 Chainsaw Chain Lubrication System
- fine tuning of the oil pump;
- fully filled oil tank;
- the right choice of oil.
Before starting work, it is necessary to constantly monitor the operation of the lubrication system. The correct supply of lubricant is determined on the sides of the chain, they must be lubricated all the time.
The main parameters of the chainsaw chain.
The need for lubricants is always different. It all depends on what needs to be sawn. When the length of the cut reaches large values, the tree has high hardness and a thick bark, it is necessary to have a large supply of oil.
If the cutting headset is smoked or the chain stops, you can talk about a lot of heat. The main reason is the lack of lubrication. Other reasons may include:
- dull chain;
- strong tension.
How to repair a chainsaw
To repair a chainsaw, you need to familiarize yourself with its internal structure, the operation of all mechanisms, study the lubricant supply system. When the chainsaw is working, the following problems may occur.
Often there is a leak of oily liquid.
Hose may not be sealed properly. To solve this problem, you need to disassemble the tool, replace the hoses. If there are no spare parts, you can degrease the old hose and its seat. Fit self-tightening clamps to the place where the hose and tube connect. The field of this tightness will be restored.
The oil filter is sometimes clogged. It must be periodically cleaned. Oil supply is repaired only in case of a dry chain. This usually happens due to clogged channels. They must be thoroughly cleaned. This phenomenon is very common.
When it is difficult to start a chainsaw, and sometimes it is simply impossible, you need to diagnose the device. First, the candles and air filter are checked. All parts must be well dried before reinstalling.
Chainsaw fuel system: 1. fuel filter, 2. carburetor, 3. manual pre-pump.
If there is fuel on candles, we can talk about its excess. The main reason for this problem is a poor carb adjustment or improper start. The fuel valve may be closed. To eliminate the breakdown, you need to make sure that there is enough fuel in the gas tank, check how well the combustion chamber functions. If the candles become unusable, they must be replaced.
Perhaps the fuel supply was cut off due to a clogged breather. A vacuum forms in the gas tank, which blocks the fuel supply. This phenomenon occurs when the channels are clogged, the carburetor is badly tuned and the air filter is clogged. These problems require repair of the valve, which equalizes the pressure during the supply of gasoline. The breather is cleaned with a sharp needle.
To adjust the carburetor, you need to find the optimal speed value. For this, it is necessary to tighten or, conversely, unscrew the adjusting screws. This setting must be done exactly according to the Stihl chainsaw repair instructions.
The filter mesh is cleaned in the carburetor, all channels are blown, the membrane is checked for operability, and no breaks are allowed.
Work with the carburetor due to its complex mechanism should be carried out carefully and in perfect cleanliness. His normal and good work depends on it.
To achieve the correct operation of the chainsaw, you must constantly take care of it. It requires constant cleaning of the air filter, lubrication of the chain, and always with new, fresh oil.
When the tool is removed for long-term storage, it is necessary to drain all gasoline and remove oil to lubricate the chain. In this case, the chainsaw will work without breakdowns for a long time.
Semi-synthetic oil brand Stihl
Very often, the owners of such chainsaws, wonder what oil can be used for saws. Her work may be affected by:
- cutting headset;
- wood species.
To solve this problem, Stihl developed a universal semi-synthetic oil. It is suitable for all high-speed chainsaws. Under all conditions, chains can be lubricated with this oil. The tool will work flawlessly.
Since Stihl semisynthetics are designed for chains, it is made of special high-quality materials and does not contain various toxic substances that can cause cancer. The oil fully meets the most stringent environmental requirements.
The Russian climate is quite harsh. In our country there are areas where frosts often overcome values of.20 ° С. The latest Stihl chainsaw oil has been specially formulated to work in cold conditions. In such a frost, it shows excellent fluidity.
Special additives that make up the oil do not allow the greasing of the cutting set, they will extend the life of other lubricated parts. A saw with such oil easily starts even after prolonged storage.
The use of such a chain lubricant reduces wear on the saw chain. Due to the high oil endurance at high temperature, the cutting set is under ideal protection. Such an oil is not afraid of a peak temperature load. Almost never appears smoky.