How To Disassemble Stihl 180

Self-repair problems

How To Disassemble Stihl 180

The problem in many cases is complicated by the lack of complete information on the repair technology. According to foreign manufacturers, after the resource has expired, the saw should be scrapped, therefore, the maintainability of many budget-level models raises reasonable doubts.

difficult to restore professional-grade chainsaw.

  • The problem is compounded by the high cost of spare parts.
  • It is possible that in order to restore the operability of individual units and mechanisms, in particular, to adjust the fuel equipment, special equipment will be required.

Replacing expensive branded parts with affordable, but short-lived Chinese counterparts does not justify itself economically. Practice shows that these components develop a resource at best by 50-60%.

Removing the handle

Direct disassembly of the Stihl 180 begins with removing the handle, which is attached to the body of the chainsaw using three rubber shock absorbers. To remove, it is necessary to remove the plastic plugs from the inner cavity of the shock absorbers, then, using a powerful screwdriver, first squeeze out the upper shock absorber, then the one closer to the rear handle.

When the handle remains on one shock absorber, it is necessary to unscrew the body of the chainsaw from the inside of the handle and bend it to the side, remove the body from the last rubber band.

Chainsaw carburetor malfunctions and repairs

What to do if the instrument stops winding up, starts to stall, loses power, does not keep idling? Quite often, the cause of such breakdowns lies in the carburetor, which could become clogged with dust, dirt or sawdust. You can deal with this problem with your own hands.

All carburetors are cleaned in the same way, the main thing is not to be afraid and not to lose anything. For repairs you will need to prepare:

  • Any brush;
  • Phillips screwdriver
  • Head 8;
  • Some gasoline.

First of all, using a brush, dirt and dust are cleaned. Then the cover and filter are removed. The two nuts of the air filter are unscrewed, and the air collector housing is removed. You can now see the carburetor and choke and accelerator rods. Lowering the throttle with your finger down, you will need to remove the accelerator lever.

To move the carburetor out of the seat, first remove the choke lever and completely close it. Now you need to remove and pull on the engine stop wire. It is also necessary to remove the plastic arm to which the wire is attached. On the right, it is inserted into the hole, and on the left, it can be lifted.

The carburetor is released and can be removed and cleaned. It is best to do this with a compressor, but if there is none, then the details can be rinse in clean gasoline.

Do not forget about the fuel filter, which must also be removed and the fuel hose blown out. Everything goes in reverse order.

If, after assembling the carburetor, the saw does not start well, and smoke comes out of the muffler, then most likely the spring under the needle lever has been lost. Due to the absence of this spring, the needle does not block the fuel supply, therefore, the spark plug is filled with gasoline. Of course, to eliminate this malfunction, you should find the spring and put it in place.

When repairing a carburetor, remember that it is a rather complex assembly, which consists of various small rings and parts. Therefore, it must be cleaned and repaired with extreme care and attention.

If the chainsaw does not start or stalls, then in addition to the carburetor itself, you should check spark plug performance. If it is faulty, then it should be unscrewed and dried. Also, excess fuel must be drained from the candle through a special hole.

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It must be remembered that drying must be carried out for at least thirty minutes, after which the candle is installed in place and the tool starts.

The cause of the malfunction may be a weak contact between the end of the spark plug and the high-voltage wire. If you don’t like the work of the candle at all, then it is better to replace it with a new one.

Parts of the Stihl 180 chainsaw, such as anti-vibration elements, chain, tire, drive sprocket, wear out faster than others. Therefore, it is recommended to keep spare parts in the workshop for quick replacement.

Eliminating the causes of chainsaw malfunctions with your own hands will, in any case, be cheaper than repairing a tool in a service workshop. In order not to puzzle over why the tool stopped working, you can look at the instructions for eliminating various breakdowns of the Stihl 180 chainsaw. However, in case of serious breakdowns, it is better not to do the repair yourself, and entrust the work to a specialist.

Dismantling the Stihl 180 chainsaw part 1

Group :. Assembly and overview of details chainsaw Stihl MS 180.

After the piston is locked in the cylinder, the flywheel nut can be unscrewed. The thread in the nut is normal, so you need to turn it to the left. By loosening the nut, there is no need to remove it all the way, just unscrew it to the point where its upper edge is equal to the tip of the shaft, after which a soft metal knockout is placed on the nut and a sharp blow. Thus, the flywheel jumps off the shaft from a sharp impact, and it can be easily removed without the help of additional tools.

Removing and disassembling the engine

The engine is held in place by 4 screws installed on the bottom of the Stihl 180 chainsaw. To remove, unscrew them, then carefully remove the engine from the seat and the rubber pipe of the carburetor.

To disassemble the engine, 4 crankcase screws are unscrewed, and it is removed, then you can remove the crankshaft assembly with oil seals, bearings and piston rings.

Removing bearings and seals usually does not require additional tools, but if the bearings were pressed onto the shaft with force, then a special puller will be needed for dismantling.

To remove the piston from the connecting rod, you will need to remove the locking ring from the seat using a thin screwdriver, then the piston pin is squeezed out from the opposite side, after which the piston is retracted to the side.

DIY Stihl 180 chainsaw repair

The Stihl 180 chainsaw is a versatile garden tool that is widely used in the home garden. So, it is used for cutting firewood, pruning trees and other green spaces.

The Stihl 180 chainsaw is no less popular in construction and in farming. It is very convenient and easy to operate. It also has a low cost, which makes it more affordable for the population.

Unfortunately, no matter how high-quality the tool is, sooner or later breaks down. This may be due to wear or deterioration of parts as a result of frequent use.

Some faults can be fixed at home. But, in order to repair a chainsaw with your own hands, you need to know the structure of the tool, as well as the most frequent breakdowns and how to fix them.

Troubleshooting the carburetor

If, as a result of the pressure on the gas, the chainsaw starts to stall, then the problem lies in the carburetor. Also, a sign of a malfunction of the carburetor may be a protracted start of the chainsaw and the impossibility of speeding up.

Most often, such a malfunction occurs as a result of wear of the rubber cuff, which is located on the piston of the fuel booster. As a result, air is sucked in when starting the tool. Basically, such a breakdown occurs after several years of using the chainsaw.

The elimination of this malfunction is carried out in the following sequence:

  1. Remove the carburetor. Remove the screw that holds the membrane cover. Turn the carburetor so that the pin is visible. From it you need to remove the retaining ring and disconnect the air damper spring. After that, the throttle valve. To do this, unscrew the screw that holds it. The next step is to remove the damper axis.
  2. Pull out accelerator with spring. It has a cuff. The wear of this particular element leads to air leakage and engine stalling after a recent start. Cuff piston needs to be replaced.
  3. Assemble the carburetor in reverse order and install it on the chainsaw.
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Step-by-step disassembly of the carburetor

Now we know how to fix a common carburetor malfunction. Observing all the rules, you can easily do these works with your own hands.

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Oil supply repair

Often in the Stihl 180 chainsaw, the oil system is damaged. Such a malfunction can be determined by the dryness of the working circuit or the presence of a leak.

The solution to this problem should be started with a thorough examination of the hose through which the oil is supplied. The connection of the hose with the fittings is also amenable to inspection.

During the inspection and repair of the oil system, it is also necessary to clean the filter. Contamination often results in poor oil flow.

If there is an oil leak, it means that the system is not tight. This primarily concerns the hose and oil channels. Most often, such malfunctions occur as a result of mechanical damage to system elements.

The process of removing and cleaning the air filter

If, as a result of inspection, a violation of the integrity of the hose was determined, then it is replaced. If the damage is minor, then it can be hidden with a sealant. This radical way will reduce the cost of repairs.

Checking the ignition system

Chainsaw ignition system

If the tool does not start, then the problem may be hidden in the starter mechanism or in the ignition system. In the event that the starting device works normally, then it is necessary to carefully inspect the spark plug. It needs to be unscrewed and carefully inspected.

Particular attention should be paid here to electrodes, on which plaque can accumulate. If there is a red-brown coating on the electrodes, then this indicates a serious malfunction of the entire starting system. So, the cause of the malfunction may lie in the carburetor.

If the ignition system works normally, but the tool does not work properly, then the problem may be associated with an excess of air-fuel mixture. Here you need to adjust the carburetor and clean the jets.

Do-it-yourself chainsaw carburetor adjustment

If during the inspection, carbon deposits were found on the spark plug, this means that the tool runs on low-quality gasoline. Also, the reason for this may be a malfunctioning carburetor.

To solve such a problem, you need to take the following steps:

  • Remove the carburetor and check it;
  • If necessary, clean and adjust it;
  • Replace fuel;
  • Install the carburetor and check the tool in operation.

It is worth noting here that the carburetor is a rather complex unit. Therefore, if there is a need for its repair, it is better to seek help from specialists.

And in this article you can learn how to make a manual garden drill.

With this information, you can repair your Stihl 180 chainsaw at home. Of course, you need to take into account that it is better to eliminate more serious malfunctions in service centers.

See an overview of the diagnosis of the lubrication system of the Stihl MS180 chainsaw:

Chainsaw repair at the Direct Hands service center

In case of equipment malfunction, you can contact us. We, being a dealer and official service of Stihl, serve individuals and legal entities in St. Petersburg and the Leningrad region. Our specialists will carry out warranty and post-warranty repairs of the Stihl chainsaw for you.

Do-it-yourself Stihl MS 180 chainsaw repair. Types of breakdowns

Before starting work on finding the malfunction of the Stihl 180 chainsaw, it is necessary to prepare the tools and allow the engine to cool down, while excluding unintentional start.

For a qualitative elimination of a breakdown, it is necessary to analyze what actions preceded its appearance. If we proceed from the fact that the chainsaw is equipped with an electric motor, the main breakdowns are primarily associated with it. The most common malfunctions include:

  • Inability to start the engine;
  • Self-shutdown of the device during operation;
  • The electric motor does not pick up the required speed during operation;
  • The appearance of extraneous noise and a burning smell;
  • Oil leak.
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Common breakdowns of chainsaw consumables include chain breakage, which always occurs between its links. When connecting the links to the rivet, you will need to firmly press their side parts and flare them. If the protrusions are worn off, then it will not work to rivet them, therefore contact welding will be needed.

In addition to breaking the chain, it can also stretch. This happens when using a low-quality chain or in case of its frequent overheating, as well as wear of the driven sprocket. Overheating is associated with a disruption in the oil supply caused by blockage of the injection. To eliminate the malfunction, you will need to purge the oil supply system. In case of stretching, the chainsaw will work in jerks. To restore normal operation, you can try to remove one link, while it should be borne in mind that it is not so easy to rivet the links.

When searching for breakdowns in the device, it is recommended to follow the following sequence of actions:

  • Examine the general condition of the device;
  • Check the mixture level in the fuel tank;
  • Inspect the unit responsible for starting the saw;
  • Diagnose the performance of the spark plug and the condition of the sealing ring;
  • Evaluate carburetor.

Some types of malfunctions can be eliminated by simple actions such as cleaning the components. But malfunctions associated with the carburetor or ignition system require a complete or partial disassembly of the saw.

Failures in the lubrication system of the chainsaw 180: causes and repair

In the process of cutting wood, the cutting part of the tool is subjected to high loads. In order to reduce frictional forces and subsequent wear of the chain, the Stihl chainsaw is equipped with a lubrication system that gradually supplies oil to the tire. The rapid loss of cutting properties by the teeth and the absence of traces of lubricant may indicate its leakage or clogging of the pipes.

Stihl 180 chain lubrication principle

First of all, when diagnosing the chain lubrication system for the ms 180 chainsaw, we pay attention to the oil supply hoses and their fixation points. Damaged connections cannot be repaired and must therefore be replaced. The oil passages can be cleaned with compressed air. For these purposes, we use a compressor or an ordinary car hand pump.

Due to its ease of operation and repair, the chainsaw of this model has gained wide recognition among professionals and amateurs in the field of woodworking.

Do-it-yourself chainsaw repair “Stihl 180”: instruction

The Stihl 180 chainsaw has proven itself in the construction market. This portable device has a power of 1400 W and a motor volume of 31 cc. See The length of the saw chain is 350 mm, at idle it makes more than 2 thousand revolutions. Its popularity among consumers is also explained by the acceptable cost of the tool. However, when using a chainsaw, malfunctions occur from time to time. In the service, repairing a tool is not cheap, so those who understand at least a little technical issues fix breakdowns with their own hands.

Fuel system problems

The first step in diagnosing the fuel supply system is to check the level of the fuel mixture in the tank.

The main nodes of the fuel system of the chainsaw 180 Stihl

Even if the owner is confident in the availability of gasoline, this eliminates the created vacuum as a result of a clogged bypass valve. It is designed to optimize the pressure in the tank with fuel consumption. For the convenience of cleaning the breather of the chainsaw, use an ordinary medium-sized sewing needle.

When inspecting the fuel system, you should pay attention to the integrity of the pipes, the tightness of which can be violated by mechanical damage or prolonged operation of the unit. Sometimes the cause of the mixture flowing out and, as a consequence, the incorrect operation of the engine, is the wear of the rubber gaskets and the primer (suction button). In this case, to repair a Stihl 180 chainsaw with your own hands, you need to purchase a repair kit of seals and replace them.