Learning how to replace a chainsaw clutch and sprocket is a relatively quick and easy job that anyone can do. Learning how to replace a chainsaw clutch that’s broken is a pretty easy task. Either way, if you follow these simple steps you should be able to replace a chainsaw clutch and sprocket in about an hour or less without using any specialized tools.
Find the appropriate sized socket or specialty clutch removal tool to fit on the center of your clutch mechanism. Unscrew the clutch by turning to the right because clutches are left hand thread, that is most clutches, some old American made chainsaws are regular thread.7. If you have a newer Stihl with an inboard clutch you need to remove the c-clip and clutch drum before using the above procedure to remove the clutch.
The sprocket is the piece beneath the clutch that actually drives the chain. To replace a spur sprocket, just replace the entire clutch drum. Conclusion Replacing the sprocket and clutch is an easy repair that you can complete in about 30 minutes.
A spur sprocket is a single piece of metal that has sprocket teeth made directly onto the clutch bell housing of the sprocket. Rim Sprocket Systems are typically used by professionals and chainsaw enthusiasts who cut large amounts of wood. Replacement rims typically cost around $7 while a whole Rim Sprocket System costs around $30. Properly maintaining your chainsaw will save you a ton of time and money down the line.
when to replace chainsaw clutch Related Question:
How do you know if your chainsaw clutch is bad?
Does the engine loose revs, or the engine keep revving and just the chain stops? If the engine is still running at normal revs, and the chain slows down, then it’s a problem with the clutch. Worn out, gummed up, jammed springs etc. If the engine looses revs under load then it’s more likely a fuel or carb problem.
How do you know if your chainsaw sprocket is worn out?
The chain sprocket must be replaced if the depth of the wear marks reaches about 0.5mm, i.e. the wear limit. A seriously worn chain sprocket can cause the chainsaw chain and guide bar to wear at an increased rate, as well as reducing cutting performance too, so it’s important to keep an eye on.
When should a chainsaw sprocket be replaced?
Rim & sprocket The rim and sprocket set up means it is easier and cheaper to change the rim which is the part that drives the chain [not that people do it – they don’t!]. These wear out faster than spur sprockets but they are cheaper. A rim needs replacing when it has worn 0.2mm.
How can you tell if a centrifugal clutch is bad?
When heat damage occurs, the clutch will never disengage and the machine will start taking off by itself as soon as you start the engine. You can see heat damage inside the clutch drum, the metal turns from black to a blue color. The clutch must be replaced if it has heat damage and won’t disengage.
Why is my chainsaw clutch slipping?
Clutch Wear Eventually, the lining becomes too thin to do its job, and the clutch begins to slip. This happens for two reasons. One is that the lining becomes so thin that the shoes don’t make complete contact with the drum, and the other is that the surfaces of the shoes become slippery.
What does a clutch do on a chainsaw?
The clutch allows the engine to turn freely at low rpm [rpm=revolutions (turns) per minute] without moving the chain. They are separate. Unlike a four wheeler or truck, the chainsaw operator doesn’t have to engage the clutch or put the chainsaw in gear.
How long does a chainsaw sprocket last?
Even though sprocket maintenance is such as an important aspect of overall chainsaw maintenance, many tree professions tend to overlook it. The sprockets should ideally be changed every two to three chains. It’s also crucial you buy a sprocket that’s compatible with the chain on your saw.
Why does my chainsaw chain dull so quickly?
Dirt Causes A Chainsaw To Dull If you’re cutting through logs and your angle of approach is too steep, a simple cut through could nick dirt or even worse, rocks on the floor causing your chainsaw to jerk, thus dulling.
When should I replace the sprocket on my Stihl chainsaw?
To maintain the service life of your saw chain, STIHL recommends that you replace the sprocket on your chainsaw after you have gone through two chains or sooner if the sprocket shows more than 0.5 mm of wear. STIHL advises alternating between the two saw chains to help keep the sprocket from wearing out prematurely.
Which is better Rim sprocket or spur sprocket?
Rim sprockets are better than spur sprockets because they are easy to maintain, offer increased flexibility and have a lower cost. Unless you have a very specific use case, you will be happier with a rim drive sprocket and so will your chainsaw.
Are all chainsaw drive sprockets the same?
Sprocket Size & Gearing The pitch of your sprocket, the pitch of your saw chain, and the pitch of your bar tip must all match. On most pro saws this will usually be: . 325″, 3/8″, or . 404″.
How long does a centrifugal clutch last?
Improper installation of the centrifugal clutch can result in its failure as quickly as in a couple of minutes. Still though, even if installed properly, it won’t last more than five years maximum.
Can you run a chainsaw without a clutch?
A clutch is an absolute necessity on a chainsaw. Without one, the chain sprocket would be connected directly to the motor, and the chain would turn even when the engine is idling.
What did the first chainsaw look like?
Two doctors invented the chainsaw in 1780 to make the removal of pelvic bone easier and less time-consuming during childbirth. It was powered by a hand crank and looked like a modern-day kitchen knife with little teeth on a chain that wound in an oval.
Why does my chainsaw bar smoke?
This most commonly is a result of a dull chain and exerting to much pressure on the bar and chain trying to make the chain saw cut. This could also be either a lack of bar and chain oil ( tank empty, restricted oiler hole ) or an inferior type of oil that is being slung off the chain and not lubricating.