Do-it-yourself repair Stihl ms 180 piston replacement

In detail: do-it-yourself repair Stihl ms 180 piston replacement from a real master for the site my.housecope.com.

Stihl 180 chainsaw repair: malfunctions and their elimination

Chainsaw Stihl MS 180 is considered one of the most reliable among the models of its own sector. But technology is technology, and from time to time malfunctions appear, which may require repair of the stihl ms 180.

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This is the very first question that arises before the owner of the Stihl 180 chainsaw, which for some reason stopped working normally. Which is absolutely impossible to answer. It would be correct to say: it is possible, but is it necessary? Repairing a chainsaw at a service center is naturally more expensive than trying to fix problems yourself, but using the services of professionals, you get guarantees and confidence that the chainsaw will be properly configured and adjusted. Replacing the pump is only required if the chainsaw has a calm 180. In general, the choice is yours.

Another small aspect regarding the choice to repair alone or not is that in order to diagnose a chainsaw and its upcoming disassembly and repair, you need to have some special tools and certain knowledge of the design of the saw. Otherwise, you will not even be able to unscrew and remove the flywheel without damaging it.

Carrying out an independent repair of the saw, very often break off the duralumin fan blades located on the flywheel. This happens because during disassembly they do not use a special crankshaft stopper, but try to fix it by installing a screwdriver between the saw body and the flywheel blades, which leads to sad consequences. The flywheel nut has a severe tightening torque, and the blades are brittle and cannot withstand such a force.

Video (click to play).

In order to carry out a relatively high-quality repair of the Stihl ms 180 chainsaw without the help of others, you will need to have:

air compressor (for cleaning the chainsaw and purging the main components and assemblies);
a vacuum gauge is needed to check the density of the crankcase and carburetor, as well as to identify defective oil seals;
piston stopper, to limit the stroke of the crankshaft;
electric tachometer, in order to properly adjust the chainsaw carburetor;
T-key STIHL Torx 27 or equivalent;
crankshaft bearing puller.

Only with these tools, chainsaw repair Stihl 180 do it yourself, can be performed quite well.

Common malfunctions on a Stihl chainsaw include:

Broken starter cord;
Deterioration of the drive sprocket;
Leaks in the oil supply system for chain lubrication;
Deterioration of the worm gear of the oil pump;
Air leakage through the seals into the crankcase;
No spark on the spark plug;
Lack of fuel supply in case of defects in the carburetor (we will not dwell on them, because the repair and adjustment of the chainsaw carburetor is a rather broad issue and will be considered in a separate article);
Breaking off the eye of the landing site under the engine control lever.

Now let's look at the malfunctions in more detail and start with the repair of the oil pump.

If there is no oil supply to lubricate the chain, it is necessary to diagnose the entire system and find the reason why the oil is not supplied. There may be several main factors:

Clogged oil filter or oil system;
Lack of thread on the worm gear of the oil pump;
Blockage or malfunction of the pump itself;
Depressurization of the oil system (there will be oil smudges on the bottom of the chainsaw).

To check the threads on the worm drive of the oil pump, it will be necessary to remove the driven sprocket chainsaws and loosen the clutch. Replacing the oil pump drive disassembling the Stihl 180 chainsaw, part 3. To do this, the spark plug is turned out and a piston stopper is installed in its place, which ensures reliable fixation of the crankshaft of the tool from turning.

Next, the cover is removed from the tire side of the Stihl 180 chainsaw, and with a screwdriver, the retaining ring holding the driven sprocket is removed, after which the sprocket itself is removed.

In this way, the sprocket of the Stihl 180 chainsaw is also replaced as needed.

The clutch is untwisted with a 19 head and a knob. You need to unwind the clutch clockwise, because the thread is left-handed. A reflective plate is installed behind the clutch, it also needs to be removed. The next part is the worm drive of the oil pump. Having examined and found the absence of a plastic thread, you can safely throw away the part and install the newest one instead, since its restoration is unrealistic. The assembly of the Stihl 180 chainsaw is carried out in the reverse order.

How simple and fast replace the oil seal on the chainsaw and shows a tool for this How to easily and quickly replace the

stihl, shtil, MS180, chainsaw/start Stihl chainsaws 180 videos.If the gear is in its normal state, the saw is disassembled, for this, the corkscrews are removed from the shock absorbers, the rear handle is unwound and the throttle control rod is disconnected, after that the handle block is removed from the shock absorbers with a strong slotted screwdriver.It is necessary to remove the handles to provide access to the bottom at the installation site. oil pump.At the next stage, the oil hose coming from the oil tank is removed from the seat on the body and the line is checked for blockage by blowing air through the oil hose into the oil tank body. If a blockage is found, it must be cleaned; if this is not possible, the defective hose must be replaced.Next, the oil pump is removed from the body of the Stihl 180 chainsaw and washed in gasoline.As a rule, Stihl oil pumps rarely become unusable and require replacement. Basically, the reason for the lack of oil supply is clogged, so washing and checking the pump gear for scrolling, you can be sure that after reassembly chainsaws Stihl 180 oil supply problems will disappear.After repair, we assemble the Stihl 180 chainsaw in the reverse order. An important point is the sealing of the oil hose at the installation site, into the seat on the housing. Replacing the crankshaft oil seal, repairing a chainsaw is a very common disease of the polisher. It is necessary to wash the hose and the opening for its installation with gasoline, then blow it with compressed air until completely dry and coat it with an oil-resistant sealant, and then install it in place.Frequent chainsaw failure Calm, which happens through the fault of the operator, is a malfunction in the operation of the engine control mechanism. More precisely, when the seat for the control lever breaks off due to its design features, to solve this problem, it will be necessary to replace the saw body, which is quite difficult to do on your own. Consider a do-it-yourself repair algorithm, which goes through replacement chainsaw body:

The body is released from the block of handles;

The starter is removed, for this, the covers are removed from the fuel and oil tank and the starter fastening screws are unscrewed;

Further, a piston stopper is installed through the spark plug hole in the cylinder, the flywheel is untwisted and removed from the engine shaft;

The drive sprocket is removed and the clutch is untwisted;

Two 8 mm nuts are unscrewed holding the air filter housing and carburetor, the modules are removed from the seats;

At the next stage, 4 screws are unscrewed that hold the engine to the case. To the body chainsaws Stihl 180, special bushings are mounted at the installation site of the engine mounting screws, which can fall out and be lost on their own.

The last point is the removal of the oil pump, the rubber knee of the carburetor and the fuel and oil tanks.

It is necessary to install parts in a new housing in reverse order. In parallel with the elimination of the main malfunction, you can check the rubber knee of the carburetor, the part that has exhausted its resource and has lost its elasticity must be replaced.How to repair a Stihl 180 chainsaw if oil seals need to be replaced? It is necessary to disassemble the engine, for which you first need to remove it from the chainsaw. Removal is carried out according to the algorithm described in the paragraph: "The control key of the Stihl 180 chainsaw has broken - how to fix it."After the engine is removed, 4 screws securing the engine pan are unscrewed, after which it is removed. Thus, by removing the pan, we get access to the seals and bearings of the crankshaft.An important point when replacing oil seals is the reverse installation and sealing of the pallet.Home page » Replacing Piston Rings Chainsaw Stihl 180 Image - Do-it-yourself repair Stihl ms 180 piston replacement

How to repair a Stihl chainsaw with your own hands

Main types and diagnostics of defects, tools for their elimination
Fuel system malfunction
Elimination of defects in the trigger mechanism
Malfunctions of the cylinder-piston group of the chainsaw
Malfunctions in the lubrication system and their elimination

With all the variety of modern building materials, wood species remains very burning. Therefore, woodcutters, landscaping workers, summer residents are interested in woodworking tools, including chainsaws.

The Stihl chainsaw is easy to operate, inexpensive, reliable, and has a long service life.

Different people prefer different brands. Someone is interested in the Partner chainsaw, someone is interested in a Stihl device, someone else is something else. But they all periodically break down, while their breakdowns are both similar to one another and different. Next, we will consider the repair of the Stihl chainsaw with our own hands.

This brand is well known both among experts and among individuals involved in arranging their own living space. The great popularity of the Stihl chainsaw determines the frequent practical use of this tool and forces us to find methods for effectively combating its usual breakdowns.

The design of the chainsaw Stihl.

Before you start disassembling a faulty mechanism, you should prepare the proper tools. Because a chainsaw is a relatively uncomplicated piece of equipment on a technical level, this list is short and includes:

Screwdriver Set;
spanners;
set of socket wrenches;
needle.

In order to carry out a real high-quality restoration of the working condition of the Stihl chainsaw with your own hands, you need to accurately establish the prerequisites for the breakdown. Since the specified chainsaw refers to mechanisms driven by an internal combustion engine, the main malfunctions are associated with this particular unit.

The most common Stihl chainsaws in operation are the following malfunctions:

lack of engine start;
unbalanced operation of the internal combustion engine immediately after starting, as a result of which, after a short-term operation, the unit spontaneously turns off;
a running engine does not reach full power;
oil is leaking.

Stihl chainsaw carburetor device

One of the frequent breakdowns of the saw device is also a break in the working circuit. But it does not apply to the dilemmas that arise during the operation of the propulsion system.replacement of piston rings please tell me how to replace the piston rings on. Usually, repairing a broken chain comes down to replacing it with a new one.

The search for a malfunction that led to the failure of the chainsaw is done in the following order. First check the level of gasoline in the tank. If everything is in order with the level, you should proceed to inspect the trigger. Description of common malfunctions of the Stihl 180 chainsaw and air filter. If the trigger does not show signs of failure, you need to pay attention to the spark plug.

If, as a result of a painstaking inspection and verification of the correctness of the gap, it is established that the candle is completely serviceable, then the carburetor may be the cause of the problems that force the chainsaw to be repaired. Repair of the Stihl 180 chainsaw here will require its complete replacement. Piston rings and The great popularity of the Stihl chainsaw is the replacement of the old and piston rings. This often happens due to the fact that this device is routinely clogged.

But if the old candle is replaced with the newest one, the carburetor is completely cleaned, and the chainsaw still does not start, or, having earned, it quickly stalls, then the faulty cylinder-piston group (CPG) may be to blame. In order to perfectly check the entire group, you will have to spend some time, actually disassembling the designated system one hundred percent. In this case, the technical condition of the cylinder, piston and piston rings is checked.

Now let's take a closer look at each error.

In this video we will show you how to do piston replacement groups on chainsaw Stihl MS180, crankshaft oil seals.

stihl, shtil, MS180, chainsaw/start chainsaws Stihl 180 video.

As mentioned earlier, the examination of a faulty sawing tool must begin with establishing the presence of gasoline in the fuel tank, as well as determining the technical condition of the breather.

Chainsaw repair Stihl in case of a malfunction of the fuel supply system.

When checking the fuel level, it is imperative to open the gas tank cap. This must be done even if the owner of the tool is sure that there is gasoline in the tank.

Often the saw cannot start due to the lack of fuel in the combustion chamber. The prerequisite for this in most cases is the usual clogging of the breather - a special bypass valve that serves to equalize the pressure in the tank with a gradual flow of gasoline. In this case, chainsaw repair comes down to carefully cleaning the breather with a regular sewing needle.

A prerequisite for the failure of the entire tool may be an inoperable trigger mechanism or problems in the ignition system. If it turns out that the starting device is operating normally, then you need to make sure that the candle is working. In order to do this, the candle is unscrewed from the socket and closely examined, paying attention to the presence of third-party plaque on its electrodes.

Chainsaw starter device.

It should be noted that the presence of traces of a certain characteristic at the place where the spark was formed speaks very sweetly about the sources of the "disease" of the entire starting system. Such a source, namely, can be a carburetor. So, the complete absence of any signs of fuel on the candle (its complete dryness), most likely, indicates the failure of the fuel to enter the combustion chamber due to the complete clogging of the carburetor.

If gasoline is fixed on the chainsaw spark plug, and the cutting device itself does not work normally, then this indicates an excess of air-fuel mixture. The reason for this condition may be a failure in the carburetor adjustments, clogging of its jets, as well as an incorrect start of the mechanism. In the case of fixing a characteristic soot on the candle, one can speak with sufficient confidence about the incorrect functioning of the carburetor or the use of low-quality gasoline.

With all the above signs reflected on the spark plug, it is necessary to remove the carburetor and check its technical condition. Stihl 180 chainsaw repair air filter clogged. Checking the breather and cleaning it. Chainsaw stihl ms 180-16. Replacing a review of the Stihl 180 chainsaw. Piston rings in size. If clogging is detected, the carburetor should be thoroughly cleaned, then the device should be adjusted according to technological requirements and the gasoline used in the tank should be replaced. At the same time, it must always be remembered that the carburetor is a rather complex assembly, consisting of many small components, parts and tubules. Therefore, its repair must be carried out with extreme care and accuracy.

In addition to restoring the carburetor, it is necessary to check the performance of the spark plug itself on the stand and, if necessary, set the correct gap in it. If you do not like the candle and its work at all, it is recommended to replace it with a new candle.

Sometimes the engine of the tool does not start or runs with obvious interruptions and without reaching the rated and maximum power due to a malfunction of the cylinder-piston group. In this case, do-it-yourself chainsaw repair is carried out in the following sequence.

4 bolts are unscrewed on the cylinder head, after which the cylinder is removed from the block. The piston is carefully checked for the presence of chips, scratches, scuffs. In this way, the sprocket is also replaced in the body of the Stihl 180 chainsaw in place. Their presence is unacceptable and entails the replacement of the piston. At the same time, there should not be the slightest mechanical damage on the cylinder itself. Buy the stihl ms 180 chainsaw in characteristics of the stihl 180 chainsaw, the device. It can either be repaired by boring the mirror to the repair size of the piston, or replaced with a new one assembled with the piston.

Of great importance for ensuring optimal pressure in the combustion chamber is the absence of signs of wear on the piston housing and piston rings. The normal functioning of the chainsaw engine largely depends on this.

It is possible to find out the degree of wear of parts only after removing the piston group from the motor. The rings themselves should be tight enough and at the same time sit freely on the piston. The presence or absence of wear of the piston and rings can be verified experimentally. To do this, the piston inserted into the cylinder should be slightly swung in different directions. Too much free play on the piston is most likely a sign of wear.

To eliminate this defect, either the cylinder is bored and repair parts are installed, or the entire CPG set is changed. Otherwise, the chainsaw will not develop the required power.

Chainsaw repair is also required if there are problems with the lubrication system. Most often they consist in the lack of oil supply to the chain, as evidenced by the obvious dryness of the latter, or in oil leakage.

The lubricating fluid either poorly or does not enter the chain at all, as a rule, due to clogging or complete clogging of the oil supply channels. Stihl 180 chainsaw disassembly part 2, video. To identify the places where the oil flow is blocked, it is necessary to carefully inspect the oil hose and its connection points. In addition, be sure to clean the oil filter.

If oil leaks, then this indicates a violation of the tightness of the oil channels or hose. As a rule, this happens due to mechanical damage. Most often, the unusable hose is removed, and a new one is put in its place. But sometimes a less radical method is used, treating the damaged hose with an appropriate sealant.

Thus, due to the relative simplicity of its design and the fundamental similarity of its power unit with many other internal combustion engines, the repair of the Shtil chainsaw can be done on its own. Moreover, this can be done in normal home conditions, without resorting to the help of repairmen.

Despite the many varieties of modern building materials, wood remains the most in demand. In this regard, chainsaws are in great demand among fellers, owners of their own houses and summer residents.

Among the huge variability of the model range, the Stihl 180 chainsaw has been the most popular among both amateurs and experienced foresters for many years, which is distinguished by simple maintenance, repair and operation. Stihl was founded over 9 centuries ago and began manufacturing gasoline chain saws back in 1926. Thanks to many innovations, unpretentiousness and durability, the tools of this manufacturer are in demand in the global market for woodworking equipment.

Before starting work on diagnosing faults and troubleshooting, it is necessary to prepare the necessary tools.

General view of the Stihl MS 180 chainsaw with the main components

Due to the fact that the chainsaw is a relatively simple unit, the list of accessories includes the following items:

a set of flat and Phillips screwdrivers;
open-end locksmith keys;
candle key;
socket set with collar
Multitool Stihl.

Stihl multifunctional tool

In order to qualitatively eliminate emerging breakdowns and restore performance, it is necessary to establish as accurately as possible the malfunction preceding the failure of the unit. Following from the fact that the chainsaw is equipped with an internal combustion engine (ICE), the main causes of breakdowns should first of all be looked for in the power unit.

Before starting work, it is necessary to turn off the engine, let it cool down and exclude the possible start of the chainsaw. To protect your fingers, it is recommended to wear cotton gloves.

The most common malfunctions when repairing a Stihl 180 chainsaw include:

the engine does not start;
the operation of the motor intermittently, with a short operation, the chainsaw spontaneously stalls;
oil leaks near the chain lubrication mechanism;
the engine does not develop full power.

Frequent breakdowns of the transmission part of the saw include a break in the chain links. You can independently restore its integrity by riveting links or replacing with a new one.

Despite the relative simplicity of the design and the absence of complex mechanisms, experts recommend troubleshooting in a certain order. First of all, the presence of the mixture in the fuel tank is checked, and if everything is in order with the liquid level, it is necessary to proceed to inspect the chainsaw launch unit. If this mechanism is in a normal state, you need to check the performance of the spark plug.

After the manipulations performed to diagnose the candle (determining the presence or absence of soot, the correct gap between the electrodes, the condition of the sealing ring), we transfer our attention to the carburetor. Due to fine sawdust, dust and soil particles, clogging of the fuel system often occurs.

If cleaning the carburetor of the stihl 180 chainsaw did not help restore the unit to its previous performance, the reason probably lies in the cylinder-piston group (CPG). The power unit is one of the most complex mechanism of the tool, the diagnostics of which requires almost complete disassembly.

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

The main components of the fuel system chainsaw 180 calm

Even if the owner is sure that gasoline is available, this eliminates the vacuum created 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 chainsaw breather, a regular medium-sized sewing needle is used.

When inspecting the fuel system, you should pay attention to the integrity of the pipes, the tightness of which can be compromised by mechanical damage or long-term operation of the unit.Sometimes the cause of the leakage of the mixture and, as a result, not the correct operation of the engine, is the wear of the rubber gaskets and the primer (choke button). In this case, to repair the Stihl 180 chainsaw with your own hands, you need to purchase a repair kit for seals and replace them.

The cause of a chainsaw malfunction of this model may be the inoperability of the ignition system and the engine start unit. Image - Do-it-yourself repair Stihl ms 180 piston replacement

General view of the ignition chainsaw 180

If there are no deviations when measuring the gap between the flywheel and the module, you need to pay attention to the spark plug.

Most manufacturers, including Stihl chainsaws, recommend setting a gap of 0.2 mm. To do this, you will need a coin-shaped, coin-wire, or flat probe, which can be purchased at any automotive store.

Chainsaw starter Stihl 180 assembly

Having dismantled the candle from the shaft, we measure the gap of the chainsaw candle between the central and side electrodes. With its excessive (more than 0.7-1.5 mm) spark may occur periodically, and with a minimum (less than 0.7 mm) - insufficient for optimal ignition of the fuel mixture.

If gasoline enters the combustion chamber, and no mismatch in the ignition system has been identified, the carburetor may be the likely cause of the breakdown. This assembly is designed to mix fuel with air and supply them to the cylinder. After dismantling the carburetor, we clean its channels and jets using universal means.

It must be remembered that the carburetor consists of many small parts, and therefore its dismantling, disassembly and cleaning require special care.

After diagnosing the ignition system of the Stihl 180 chainsaw and its restoration, we proceed to troubleshooting in the power unit, namely in the cylinder-piston group of the saw.

During operation, the parts of the cylinder-piston group of the saw fail due to friction forces, high temperatures and loads. If the tool does not develop full power at start-up and stalls at idle, a possible problem may be a breakdown of engine parts. To disassemble the power unit, unscrew 4 bolts and remove the cylinder. The owner is required to carefully inspect its internal working surface for the presence of chips, nicks and cracks.

Even the slightest damage to the "mirror" of the cylinder can adversely affect the compression of the chainsaw engine and its performance.

Cylinder-piston chainsaw group Stihl MS180

When diagnosing internal combustion engines, we also perform a visual inspection of the piston and compression rings. Made of dural alloy and cast iron, respectively, they are subjected to abrasion loads to a greater extent, unlike a steel cylinder. In case of breakage and excessive wear of the piston rings, it is necessary to replace them.

If, during visual inspection, an ovality of the working surface of the cylinder is observed, it will require boring. To do this, we measure its diameter by a larger size, select the piston and perform subsequent machining.

In the process of sawing wood, the cutting part of the tool is subjected to high loads. In order to reduce friction forces and the 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 lubricating fluid may indicate its leakage or clogging of the nozzles. Image - Do-it-yourself repair Stihl ms 180 piston replacement

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 nozzles cannot be repaired and must therefore be replaced. You can clean the oil channels with compressed air. For these purposes, we use a compressor or a conventional automobile hand pump.

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

Stihl MS 180 chainsaw repair

Question: Tell me about this problem.There is a Stihl MS-180 chainsaw, manufactured in 2007, in operation. Last season, such a problem arose - the chainsaw stopped turning off with the lever, that is, you raise the black lever up to the stop (where STOP is on the cover), but the saw does not turn off (does not stall). Since there was little left to cut, he simply turned off the chainsaw, pulling the wire from the candle.

Not to say that it is very convenient, but something like that. as I understand it, in order for the chainsaw to turn off, you need contact between the tip of the wire and the bracket (which, as I understand it, regulates the damper on the carburetor - covers it). or some other detail should be - fell off and fell out? if my thought is correct (about the wire contact
and staples), then it doesn’t work here specifically - the plastic mask (into which the crimped tip of the wire is inserted) does not allow this very crimped tip to touch the bracket. Attempts to pull the brackets out a little do not give a normal result, because the lower end of the bracket (the one that is inserted into the black plastic) has a certain stroke, and the upper end of the bracket (which is attached to the carburetor damper lever) does not have a free stroke. How to fix?

Answer: on this chain saw model, the contact spring that closes the contact is located on the underside of the shift control shaft (black plastic), and should be on the top. It is necessary to pry the black plastic up from the socket with a key and install a flat contact spring from above. Then put the plastic in place. What you have under the term “bracket” is a suction or air damper draft, and is not involved in the jamming process. The contact closes and the saw is silenced by a flat contact spring, in contact with the crimped tip of the wire inserted into
plastic.

Question: The Stihl 180 chain saw starts normally, stalls when you press the gas. Need to clean filters?

Answer: Try to turn the tire over and lubricate with WD-40, if it helps, then the cause is in the tire, if not, clean the carburetor. I think the tire will be limited.

Question: The Stihl ms 180 chainsaw, it starts with a half turn on a cold one, you turn it off and do not start, it fills in a candle. What could it be?

Answer: This happens when the air filter is very dirty or the carburetor is rich. There are sometimes nuances in the carburetor. You can also check the muffler and cylinder outlet port for carbon deposits.

Question: I heard that the Stihl 180 chainsaw has a frequent replacement of the piston one due to the fact that the screw of the gas damper was unscrewed and broke everything inside. Is it so?

Answer: It happens. I personally had such cases (brought for repair). But not always the same damage - the cylinder has not changed in all cases, but the piston must be replaced. And breaks the saucer, sometimes through and through.

Question: is it necessary to start the Shtil 180 chain saw with the brake on? Of course, that's what the manual says. But especially during a cold start, for a few seconds (until you switch), the chain saw runs at maximum speed with the brake on, which is contraindicated in the same manual. Of course, this is for the sake of safety, but still wouldn't it be more practical to start without applying the brake?

Answer: pull with the shutter closed until the first flash (usually 4 times), then transfer to the working position and start 3-4 more times, and that's it, the chainsaw starts (with this method of winding you can put on the brake, since the saw immediately runs at idle , the sprocket does not spin, the clutch does not burn).

Question: Can you tell me there is only one idle speed screw in the carburetor? Maybe something is hiding behind the body? If one, then what other chainsaws are equipped with one adjusting screw?

Answer: Only one on the original. If more, then, despite the almost complete external similarity with the original, it is a fake. And it has nothing to do with Calm 180.

Question: I bought a Stihl MS 180 chainsaw, and today I tried it at work.Now tell me, when a chain or a tire flies, how to put it on correctly, and after putting it on, does it need to be tensioned and adjusted again? Also, when buying, they told me not to hold liquids for more than 2 weeks. in general, how to use it correctly when at work, is it better to leave it at idle or turn it off? When the break, put it straight, or on its side?

Answer: This simply cannot be allowed. During operation, it is necessary to constantly monitor the sagging of the chain and, if it appears, immediately tighten it. And after finishing work, let go of the chain slightly, otherwise it will cool down and pull the crankshaft bearing and the tire end sprocket. At idle, do not keep in vain. They start up easily. Better mute. And safer too. Do not put on its side, nothing will flow out of it.

Question: I operate a STIHL 180 chainsaw. The question is this - I didn’t drain the oil for the winter (the oil for the chain was filled with the original but not BIO), the saw was in a plastic case. This weekend I took out a saw, and the case was covered in oil. Is this normal or where to look for the cause. When starting, the lever switches to 1 position, the switch does not go to a cold start (I press the gas damper), and sometimes it goes freely. Where to look for the reason?

Answer: Look under the bottom of the chainsaw - most likely from there. It is possible that during temperature changes, the oil expanding in the tank squeezed out the oil hose from under the hooks. And on your second question - the problem from the description is not clear. There the design is simple, but there are operational problems.

Question: Is it possible to install a different type of chain on the Stihl ms 180 chainsaw, except for the one that is already installed? If possible, tell me how it is designated and which manufacturer?

Answer: The chain that goes to this saw has the following parameters: Pitch - 3/8 ″, thickness of the leading link 1.3 mm. Length is not important now. So, if we take chains from the main manufacturers, then they do not have chains with these parameters with a chisel-shaped tooth. There is only a half-chisel (or chipper).

The chain dimensions and design are such that even with a chipper tooth, the performance is very, very good. But if you manage to find such a chain with a chisel-shaped tooth - why not put it? You should not go for another option: Replace the entire headset (i.e. sprocket, bar and chain as a set) at step .325. This will significantly increase the load on the engine. This option works with MS 250. well, at least 230. But not 180 in any
no way.

Question: what is the chain for the Stihl MS 180 chainsaw more or less? Which are included, (I took another spare, the same) Switzerland is written, but after 2-x
gas stations for working with almost “rotten” aspen already require a file, don’t you understand?

Answer: There are no spare chains! They are all workers. They need to be changed sequentially with a tire flip 180 degrees after each operation with a chainsaw.

Question: there is a Stihl MS 180 chainsaw with a 35 cm tire in operation, and when cutting down a tree, I can’t cut it into round timber, because. after walking almost in a circle, there is not enough length of the tire. So I thought, is it possible to put a 40 cm tire with a new chain? The store said that the motor would not pull. So is such a tire technically and practically suitable?

Answer: Shtilevskaya 40 cm. will fit exactly. The 180th with such a tire will pull, just cut slowly, without pressure. And use a little better oil for lubrication (pollier, like a transmission). There it is not always enough anyway, and especially on a long bus.

Question: The Stihl 180 chainsaw has started work. The chain turned out to be blunt and in order not to waste time on sharpening, I decided to simply change the chain to a new one (it was in stock). Having removed the old one, I was unpleasantly surprised by a very noticeable play in the hinges, along the chain (play of the order of half a millimeter). Chain Calm. I didn’t work very much (I sharpened it with a file 4 times), the teeth can still be sharpened and sharpened. Is it possible to operate a chain with such play. Or will she “pull” the entire headset behind her?

Answer: If the chain tensioner screw is long enough for normal tension, then it is possible. Otherwise, the length of this screw would be much less.And the reason for the rapid stretching of the chain is one of three - insufficient chain lubrication, excessive chain tension, a chain from an “unsuccessful” batch of chains.

Question: What other chains, besides the native Shtilevsky chains, can be put on the Stihl MS180 chainsaw, tire 14? So that both in width and in other parameters - oil supply, etc. - everything was fine?

Answer: Chains of any manufacturer with the following parameters - 50 links, chain pitch 3/8 "low profile, thickness of the drive link 1.3 mm. And from this variety, you choose what is more suitable for the angle of sharpening, the length of the tooth blade, the device of the connecting links (presence / absence of shock absorbers), etc. All these additional parameters affect only the productivity of work, its comfort and safety, but not fundamental possibility of such work.

Question: Stihl 180 chain saw. The chain stretches before the teeth grind down. Even a fresh chain has a very small margin for tension, that is, it will soon stretch out and throw it away again? The stroke of the tensioner is about 3 cm, of which 2 cm are selected, about 1 cm of stroke remains. What can be done? The sprocket is new, the tire is 14″ new.

Maybe buy a 15″ tire? Will stretched chains work for her, or just her own? Chains are both calm 50-3/8-13. True, there used to be a problem with the oil supply, now it has been eliminated, the oil is supplied normally. Or would a new chain with normal oil supply not stretch like that?

Answer: No. Not only the length changes, but also the pitch, the sprocket will wear out faster. Most likely, the chain will not stretch like that. And keep an eye on sharpening.

Question: What is the difference between Stihl 50 1.3 3/8 63PMC3 and 50 1.3 3/8 63PS3 chains? Both chains were purchased for MS-180 14″. Are they interchangeable? And are there any sharpening features?

Answer: The difference is in the shape of the cutting link, the first with a rounded “chiper” link, the second with a more productive chisel link. Chains are interchangeable. The same tool can be used to sharpen and straighten the PS3 chain as for the PMC3.

Question: I am the owner of the Stihl ms 180 gasoline saw, this is my first chain saw, which has served faithfully for three years already. The work basically boiled down to the removal and subsequent sawing of fruit trees, mostly old apple trees in spring and autumn, at home and neighbors. Used original stihl oil. I tried not to overload the chainsaw, but sometimes I had to cut down 2-3 trees intermittently after the tank had been worked out, but once I came across an apple tree with very hard wood in the winter, I blunted three chains on the machine in a row until I removed it, although I corrected them with a sharpening device.

Recently, the chainsaw began to stall at idle, found a drop in compression - the starter cord was pulled out jerkily, slowly but completely. Having removed the muffler, I found black deposits on it, the gasket and inside the cylinder. On one wall of the cylinder and the piston head there are vertical stripes, compression rings are pressed in. I'm going to personally replace the rings, as well as flush the carburetor and check the integrity of the channel for supplying the fuel mixture to the cylinder. Maybe particles of suspension, sawdust get in? Tell me, can the replacement of compression rings in some
solve the compression problem?

Answer: I don't think so. Or just for a short time. But replacing the piston - it is possible that will help. But without seeing the piston, and especially the cylinder mirror, it is difficult to say. In these engines, it happened that a very damaged piston did not damage the mirror so much, and with a little processing of it with a drill, the installation of a new piston revived the engine. But the cause of the damage (although again it is impossible to say with certainty from the description) is possibly overheating. But overheating can be from various reasons. The main one is an engine leak or incorrect carburetor adjustment.

The carburetor can be excluded, since it is practically not adjustable. The leakage of the engine, most likely, is also unlikely - there is nothing else for him, the operating time is nonsense. But you need to look - there are many places where it can be loose. The rest is chemistry.That is, low-quality fuel with a terrible content of alcohol or acetone. 95th not poured?
The combustion temperature and detonation properties of such fuel may well give traces similar to overheating. Yes, there is actually overheating. The thermal regime of this engine is very intense. And clean the old piston and process the grooves for the rings. It’s not worth it, there will still be some bumps, where carbon particles will gradually fall.

Question: The Stihl ms 180 chainsaw starts up normally, at idle after work it stalls for a minute, and also, if you tilt the saw down with the tire (without turning on its side), the speed increases, up to the point that the chain starts to rotate (it spins rather quickly). I understand that there is an air leak somewhere, there is no service center nearby. Where would you recommend visiting first?

Answer: First of all, checking the cleanliness of all filters and the fuel tank, the second is the inspection of the fuel hose leading to the carburetor, the tightness check of the CPG is carried out with air under pressure. You also need to check the crankshaft clearance. We remove the clutch cup to make it clear, take the end of the crankshaft with your fingers and swing it up and down with a decent effort. On a serviceable engine, there should be no backlash at all.

Question: are there subtleties, any nuances when assembling and disassembling the Stihl ms 180 chainsaw?

Answer: No special ones. When installing the piston into the cylinder, work carefully so as not to break the rings - it is not very convenient there. Maybe a couple of sticks to prepare thin hardwood, or a screwdriver blunt to disgrace, so as not to scratch anything. Oil seals - always new, old ones are not installed. Before installing oil seals, lubricate with either oil or grease. When installing, try not to damage the lip on the sharp edges of the groove and the crankshaft keyway. Seals and their seats should not be smeared with sealant. Lubricate only the sump and cylinder connector (degrease beforehand). After assembly, do not run a couple of hours for the sealant to set.

Question: The Shtil 180 chain saw started to start worse, undersupply, in winter it started with two jerks, now on a closed damper I pull 4 times, tilt, changing the chain, feeling aired until you gas. Is it a filter or a pump?

Video (click to play).

Answer: First of all, it would be necessary to see how tightly the air damper closes in the lowest position of the control handle. If the lever on its shaft is slightly worn out, then there will be a slight under-closure and, as a result, problems with a cold start. You can check without removing the air filter housing. Remove the cylinder cover, see how the mechanics work when the lever is lowered to the lowest position. This can be seen from the left side - there is such a short thrust. So - lowering the handle to the lower position, try to tighten the lever of the air damper shaft up with your finger. If he turned, then it is there - it does not close completely.

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