How to Disassemble a Stihl 180 Saw

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Stihl MS 180. A reliable and undemanding tool, alas, requiring repair, as well as no matter what equipment. Next, we will examine how the Stihl ms 180 chainsaw is disassembled, necessary if the passage of a minor motor repair.

Repair of any equipment should begin with a preliminary work step, and the Stihl 180 saw is no exception. At the preliminary step, before dismantling the Stihl 180 chainsaw, you need to remove the side cover, chain and tire from the chainsaw. Further, with the help of a compressor and a brush, it is necessary to clean the chainsaw from dirt, sawdust, oil drips and the rest.

Increased attention when cleaning the saw should be given to the place where the chain sprocket of the chainsaw is located, because this is the dirtiest part.

In places of huge accumulation of oil, you can wash with spotless gasoline.

A specific disassembly of the Stihl 180 begins with the removal of the handle, which is attached to the body of the chainsaw using 3 rubber shock absorbers. To remove, you need to remove the plastic plugs from the inner cavity of the shock absorbers, then when using a strong screwdriver, first squeeze the upper shock absorber, later the one that is closer to the rear handle.

A gas trigger is installed in the rear of the handle, which is connected to the carburetor through a wire rod, in order to be able to disconnect the rod from the gas trigger, two screws need to be loosened and the handle disassembled.

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

Next, the upper housing cover is removed and the 4 screws fastening the starter are loosened, then you need to remove the oil tank and fuel barrel covers. The starter is removed quite easily and problems should not appear.

After removing the starter, the opened internal cavity of the chainsaw needs to be cleaned, because usually on the case under the starter there are many compacted small sawdust.

The Stihl 180 chainsaw flywheel is twisted with tremendous effort, to remove it you will need a head with an iron handle. The nut holding the flywheel is unscrewed by 13.

To block the crankshaft from turning, it is necessary to unscrew the candle and install the piston stopper through the spark plug hole, if it is not, use an old string from the starter, with knots imposed on it and immersed in the cylinder through the spark plug hole.

It is strictly forbidden to delay the flywheel from turning by installing a power screwdriver and other tools between its ribs and the body, with this method of locking from turning, the flywheel blades are not able to withstand loads and break off.

When the piston in the cylinder is blocked, there is an option to unscrew the flywheel nut. The thread in the nut is ordinary, therefore it is necessary to twist to the left side. After loosening the nut, there is no need to remove it to the end, it is enough to unscrew it until its upper edge is equal to the tip of the shaft, after which a drift of soft metal is installed on the nut and a sharp blow is made to it. Thus, from a sharp blow the flywheel jumps off the shaft and can simply be removed without the help of additional tools.

While disassembling the clutch, you need to dismantle the driven sprocket. For this purpose, carefully remove the lock washer from the grooves on the shaft and remove the sprocket and needle bearing.

The highest head at 19, you need to unscrew the clutch. He has a left-handed thread, therefore it is unscrewed towards the tire, and not at the rear of the Stihl 180 saw.

Having unwound and removing the clutch, it is necessary to immediately remove the reflecting plate and the pump oil drive, this is easy to do, because they are mounted on the shaft without any attachment.

To remove the carburetor, you need to have a head for 8 and an extension cord, with which it is comfortable to unwind the nuts of the carburetor and the air filter. While dismantling the carburetor, you need to disconnect the ignition wire and the choke rod from the engine control lever and remove the lever, only later the air filter and carburetor are removed.

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The Stihl 180 muffler is fastened with 2 nuts, unscrewing which you only need to pull it towards you, it will simply be removed.

Chainsaw Calm 180: Faults and DIY Repair

The popularity of this device is also determined by an affordable price. But when using this tool, some problems may arise from time to time. After the warranty period, you can repair yourself, because the services of specialists of a service center are quite expensive.

Main malfunctions of the Stil 180 chain saw

Chainsaw Calm 180, faults and repairs that you can identify and carry out on your own, must be operated in accordance with the manufacturer’s instructions. For example, the start button should only be turned on after the master has checked the chain tension and also has verified that the respective tanks are filled with oil and fuel mixture. The chain saw should be securely fastened in your hands, only after you can get started.

Leakage

But if you notice that oil is flowing into the circuit, the cause of the malfunction may be a violation of the tightness of the connections between the oil tank hose and the oil pump. To fix the problem, you need to disassemble the tool. If the hose is damaged, it is recommended to replace it. Sometimes it is sealed with a special compound. First, the surface must be degreased and washed. Sometimes the oil filter breaks, in some cases it becomes clogged. In this case, oil may also leak. In this case, the filter is checked, cleaned or replaced with a new one.

Refusal of work

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Chainsaw “Calm 180”, faults and repairs that you can identify and do with your own hands, sometimes simply do not start. Such a problem can occur completely by accident. First of all, the consumer must open and close the lid of the gas cylinder. In the next step, the combustion chamber must be ventilated.

It is recommended to remove the candles and dry them well. In some cases, this is enough for the tool to be launched and to start working normally. If the problem persists, the reason is different. Respirator affects fuel supply. If it is clogged, a vacuum occurs in the fuel tank, which leads to a failure. The respirator can be easily repaired. To do this, it is cleaned with a needle.

Additional Waiver Recommendations

If you bought a Calm 180 chain saw, you can find and implement the malfunction and repair of this tool yourself. Sometimes the equipment refuses to work because the cylinder is defective. If there are bumps and chips on this node, then the reason is this. If you encounter a problem when the tool does not start, it can withstand a short time or after stopping, the muffler may cause malfunction. During operation, it is sometimes clogged by deposits that occur due to exhaust emissions.

Chainsaw dismantling calm 180 part 1

In that video We will show you how to replace the piston group with chainsaw Stihl MS180, crankshaft oil seals.

Replacing the piston group with a Stihl MS180 chain saw

It often happens that chainsaw Do not start, do not stun, do not develop speed. Repair can be done own hands.

The saw sometimes starts poorly, which leads to malfunctions of the starter. To identify the problem, it is necessary to remove the cover and a special screen from the carburetor, which is located behind the drum of the tool. If the contact wire is disconnected from the starter, it is fixed with a blowtorch. Sometimes the problem is oil leakage. In this case, the starter should be wiped with a rag.

Engine is unstable

Defects of the Calm 180 chainsaw, you can begin to identify yourself if the warranty has expired. Sometimes the engine runs intermittently, which may be caused by a failure of the piston group of cylinders. You can repair it yourself. To remove the cylinder from the cylinder on its head, unscrew the bolts. The master must check the piston; it should not be cleaned, scratched or scratched. If they were found, then the piston must be replaced.

Piston rings and piston provide optimum pressure in the combustion chamber. The rings must be securely attached to the piston body. If the piston inserted into the cylinder has free play during swinging, this indicates its wear. To solve the problem, it is necessary to fill the cylinder and install spare parts. But the easiest way is to replace the TsPG set.

Carburetor malfunctions

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If you bought a Calm 180 chain saw, you can find and implement carburetor malfunctions and repairs. If the tool stopped, it stupefied and could not maintain power, and also did not work at idle, then the carburetor can cause damage. In the process, often dirt, dust or sawdust is often clogged. You can remove the problem by cleaning it.

Faults of the Calm 180 carburetor chainsaw are resolved after preparing some tools, including:

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The brush can be used to clean dust and dirt. Then remove the cover and filter. Two nuts of the air filter are unscrewed, which will lead to the removal of the air intake housing. Now you can see the carburetor. When lowering the shutter, it is necessary to remove the accelerator lever.

To move the carburetor from its place, it is necessary to remove the suction lever and close it. Now remove the engine stop wire and pull it toward you. The plastic lever is removed, the wire is attached to it. The carburetor at this point can be released and removed for cleaning. To do this, it is best to use a compressor, but if it is not available, this can be done using pure gasoline.

Given the basic malfunctions of the 180 chain saw, you should know that you must not forget about the fuel filter. It is removed and the fuel hose is purged. Now you can put everything in reverse order. If, after assembling the carburetor, the tool is still tightly twisted and the muffler produces smoke, then the spring under the needle lever has been lost. Due to its absence, the needle does not block the fuel supply. As a result, the candle is filled with gasoline. To fix this problem, you need to find the spring and install it in place.

Specialist advice

When repairing a carburetor, you should remember that this is a complex assembly consisting of rings and many parts. This means that cleaning and repairs must be carried out with the utmost care. If the tool stalls or fails to start, then in addition to the carburetor, spark plugs must be checked. If they are faulty, they are twisted and dried.

Additional fuel can be drained through a special hole. Faults of the Calm 180 chainsaw and their elimination are partially described in the instructions. After reading the article, you can understand that the candles must be dried for at least half an hour, after which the candle can be put in place by starting the device.

Conclusion

Sometimes the cause of the malfunction is poor contact between the high voltage wire and the end of the plug. If the work of the candle does not like the owner, it is replaced with a new one. Before repair, remember that tires, chains and anti-vibration elements wear out much faster than other parts. Therefore, for uninterrupted operation, it is necessary to keep the listed spare parts in the arsenal.

Stihl MS 180. A reliable and unpretentious tool, but sometimes requiring repair, like any equipment. In this article, we will consider how the Stihl ms 180 chainsaw is disassembled, which is necessary in the event of an overhaul of the engine.

How to Disassemble a Stihl 180 Saw

Preparatory stage

Repair of any equipment should begin with the preparatory phase, and the Stihl 180 saw is no exception. At the preparatory stage, before dismantling the Stihl 180 chainsaw, it is necessary to remove the side cover, chain and tire from the chainsaw. Next, with the help of a compressor and a brush, you need to clean the chainsaw from dirt, sawdust, oil drips and other things.

Particular attention when cleaning the saw should be given to the place where the chain sprocket of the chainsaw is located, because this is the most polluted area.

In places of large accumulation of oil, you can rinse with clean gasoline.

Handle removal

Direct disassembly of the Stihl 180, begins with the removal of 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, and then using a powerful screwdriver, squeeze out the upper shock absorber first, then the one that is closer to the rear handle.

A gas trigger is installed in the rear of the handle, which is connected to the carburetor through a wire rod, in order to disconnect the rod from the gas trigger, two screws must be loosened and the handle disassembled.

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

Starter Removal

At the next stage, the upper housing cover is removed and 4 starter mounting screws are untwisted, after which it is necessary to remove the oil tank and fuel barrel covers. The starter is removed quite simply and no problems should arise.

After removing the starter, the opened internal cavity of the chainsaw needs to be cleaned, because usually on the body under the starter there is a large number of compacted small sawdust.

Flywheel removal

The Stihl 180 chainsaw flywheel is twisted with great effort, so to remove it you will need a head with a metal knob. The nut holding the flywheel is unscrewed by 13.

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To lock the crankshaft from turning, you need to unscrew the candle and install the piston stopper through the spark plug hole, if it is not there, you can use the old cord from the starter, with the components attached to it and immersed in the cylinder through the spark plug hole.

It is strictly forbidden to keep the flywheel from turning by installing a power screwdriver and other tools between its ribs and the body, with this method of locking from turning, the flywheel blades are not able to withstand loads and break off.

After the piston in the cylinder is blocked, you can unscrew the flywheel nut. The thread in the nut is normal, so you need to twist to the left side. After loosening the nut, it is not necessary to completely remove it, it is enough to unscrew it until its upper edge is equal to the tip of the shaft, after which the drift of soft metal is installed on the nut and a sharp blow is made to it. Thus, the flywheel jumps off the shaft from a sharp impact and can be easily removed without the need for additional tools.

Dismantling the clutch and drive the oil pump

Before disassembling the clutch, it is necessary to dismantle the drive sprocket. To do this, carefully remove the lock washer from the grooves on the shaft and remove the sprocket and needle bearing.

High head 19, unscrew the clutch. The thread on it is left, so it is unscrewed towards the tire, and not the rear of the Stihl 180 saw.

Having unwound and removing the clutch, you need to immediately remove the reflecting plate and the pump oil drive, this is easy to do, because they are put on the shaft without any attachment.

Carburetor, silencer and ignition coil

To remove the carburetor, it is necessary to have a head for 8 and an extension cord, with which it is convenient to unscrew the nuts of the carburetor and air filter. Before dismantling the carburetor, it is necessary to disconnect the ignition wire and the choke rod from the engine control lever and remove the lever, only then the air filter and carburetor are removed.

The Stihl 180 muffler is fastened with two nuts, having unscrewed which you need to pull it towards you, it can easily be removed.

The coil is mounted on two screws, for removal you just need to unscrew them.

Removing and disassembling the engine

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

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

Removing bearings and oil 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 retaining ring from the seat, using a thin screwdriver, then the piston pin is extruded from the opposite side, after which the piston is removed to the side.

Stihl 180 chainsaw assembly

To assemble the stihl ms 180 saw back is quite simple, the main thing is to adhere to the following algorithm:

  1. Install the piston on the connecting rod, the arrow on the piston should look along the Stihl 180 chainsaw, and the side of the crankshaft, which is used to install the flywheel, should be located on the left hand of the piston;
  2. Carefully insert the piston back into the cylinder, the place for mounting the coil should be on the side where the flywheel is mounted on the crankshaft;
  3. Install bearings, seals, circlip on the shaft and lower everything in the assembly into the seat in the cylinder;
  4. Then degrease the crankcase installation location and the crankcase itself, then grease with sealant and tighten the 4 fixing screws in place;

To assemble a Stihl 180 saw after the moment the engine is assembled, the reverse disassembly sequence must be observed. It is important to take the process carefully and remember to install traction on the carburetor, and connect the ignition wire.

Below you can see the Stihl 180 disassembly in the, it is made for inexperienced users, it shows in detail the whole process.

Dismantling the Stihl 180 chainsaw and assembling it, with some experience, is quite simple, the main thing is to thoroughly clean the saw before work and not rush. In order for small parts not to get lost, you need to use containers in which, in the process, it is worthwhile to lay out spare parts.