Installing the chain on a STIHL chainsaw

How To Change A Chainsaw Chain | Stihl Chainsaw

Changing the drive sprocket on a chainsaw by instruction. when to do it and what to put in

Operation of any tool contributes to the wear and tear of parts. A chainsaw is no exception, and often owners of this tool are faced with the need to replace the drive sprocket. It is a device for transmitting torque from the crankshaft of the internal combustion engine to the chain. Before replacing the sprocket on the chainsaw, which every tool owner will cope with, it is necessary to approach the issue of choice competently.

installing, chain, chainsaw

Shortening the chain with your own hands

You can also shorten the chain of a chainsaw with your own hands using simple tools. This method is less reliable, but easy to use, does not require special skills to work with riveting equipment. The disadvantage. you can not control the force and quality of crushing rivets. This can cause the tool to break under severe loads.

What tools do you need for repair at home?

The work can be carried out with the most accessible tools. Depending on the skills and abilities may be required:

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Some craftsmen also use an electric welder. It is not recommended, because welds after welding quickly deteriorate under the influence of vibration during intensive work of the chainsaw. This method is only suitable for gear chains that transmit power to the drive sprocket.

Removing rivets

Physical strength is required to separate the links as high quality steel is used in the headset. Always clamp the chain firmly in a vise before starting work to avoid injury during removal. Grind away the protruding part with a file or file. The rivet itself can be removed with your own hands in the following ways:

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Continue to grind with an emery wheel until the bridge of the rivet is showing. Apply a chisel, hollow out the metal with a hammer. Grind away the rivet with an angle grinder. The disadvantage of this method is that you can damage the chain itself

Work must be done carefully, periodically moistening the area with water. After clamping the chain in a vice by the guide rails, chisel the rivet off with a chisel.

If you want to increase the number of links or remove one of the links, you must remove at least two rivets (left and right). The metal can get hot when you use an angle grinder, so you must wear gloves or wait until it has cooled down after grinding.

Joining the links

You can buy a new link for any model of chainsaw at any specialized store, take it off the old headset. Do not use donor spares, because it reduces the quality of the blade. Installation technology:

  • Install a link with new rivets on the chain. Place on the anvil with the open side up.
  • Put the top plate on the rivets, tap with a hammer several times for a tight connection.
  • Place the bead on the rivet and hit it 1 or 2 times with a hammer firmly. Achieve a pronounced thickening, flattening of the metal. Repeat on both sides of the link.
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After work, check that the chain is movable, all its elements freely move in different directions. This prevents the chain from jamming while you saw.

How to put on and tension the chain correctly?

Wear gloves before you start to work to avoid cuts on the sharp jaws. Only tension the chain when it is cold. once it has cooled down, it may explode from overstressing, damaging the mechanism

Remove the safety guard from the chainsaw, carefully put it on the bar

Depending on the tool model, the tension is applied manually or with a special regulator. In the first case, loosen the bolts on the bar, after installing the chain, apply tension with a slotted screwdriver. If there is an adjustment bolt, turn it as far as it will go until there is sufficient web tension. After use, check that there is no slack; be sure to retighten after the first use.

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