how to rebuild a stihl chainsaw

The next step can probably be omitted, but I sometimes get a little particular about how clean things are. Here’s a little tip for ya:  When you remove the fly wheel, have the magnetic side facing away from the magneto. Required Part. If the carburetor is clogged, try cleaning it with carburetor cleaner. Then lift off the old sprocket. Just days ago in the middle of cutting a ~3' ash on the ground for firewood, the saw bogged and shut down. I had to squirt a little penetrating oil on this a let it soak for about 10 minutes before it could be persuaded to move. QAZAKY Carburetor Kit Replacement for Stihl 021 023 025 MS210 MS230 MS250 Chainsaw Walbro WT-286 WT-215 Zama C1Q-S11E C1Q-S11G 1123-120-0603 … If this method seems unsettling, then try using pliers. Herein lies the tail of rebuilding the engine of my Stihl 026. I occasionally forget that the chainsaw wrench also fits the spark plug and end up fumbling through my socket set to get the spark plug socket. These screws can be reached with the oil pump and springs in place. Drain the fuel tank. Repair and service the chainsaw with this manual (IPL), which contains clear repair photos. You’ll need to use your rope again and stuff it into the cylinder through the spark plug hole to bind the piston so that you can tighten down the fly wheel. Lots of scoring can occur while an engine is being broken in because the rings and cylinder haven’t been coated with oil yet. Chainsaw starts then stalls. 7 possible causes and potential solutions . Air Test. There is a little split in each of the piston rings. Putting the squeeze on these gorgeous Ambrosia Map, All I can say is thank goodness for having an outf, Before going to town with the Restorer and adding, This stain color is on point! I removed the cover that protects the chain brake springs. If not, replace the bar. Use a small flat-blade screwdriver to remove the driveshaft E-clip. You rely on your chainsaw to get the job done quickly so you can move on to the other chores on your very long list. Safety Equipment. A shiny spot where the drive links engage with the sprocket teeth is OK. By the DIY experts of The Family Handyman Magazine. Wrap the chain around the bar with the cutting edges facing forward. Remove the chain and bar so you can fully check all the components, starting with the drive sprocket (Photo 1). Home Tools, Gear & Equipment Power Equipment Chainsaws. Shut off the motor, let the chain cool and then re-tension the chain for your chain saw repair. If I missed something, call me out on it. Install the chain and tension it. You will need to scrape off the old gasket and clean up the surface so that a new gasket can be installed. With a few different tips to try, you can get your oil pump fully working again. You really don’t want to twist the piston once you have it seated in the cylinder, so get the alignment as close as possible before you push the piston in. Chainsaws are powerful tools that make pruning, cutting and ice sculpting far easier than using a hedge trimmer, an axe or an ice pick. Unfortunately my troubles did not end with the carburetor rebuild. Set the spring into its hole just before the inlet needle with the needle nosed pliers. The reason the rings seem oversized is so that they will compress in the piston ring groove and slide against the inside of the cylinder. Enter model number to search for the required part specific to your product. In time it can cause engine damage. Fear not, they are correct. It was still pretty manageable. If the drive sprocket and links are good, check the length of the remaining blades (Photo 3). This service manual contains repair and servicing procedures for most carburetors used by Stihl. Stihl Parts List for the Stihl chainsaw. Also a Parts List, Operator Manual, and carburetor manual are Over time the sprocket can develop slight grooves. I used Yamabond 4. If the bar has a nose sprocket, rotate it with your finger. No worries if you follow my process though. Line up the piston so that the ring splits are facing away from the exhaust port (rectangular opening in cylinder). Search Help by Model. To begin, stuff a cord into the spark plug hole. Once the piston is off, I scraped the surface smooth where the new gasket will live. 10 New Hart Tools DIYers Should Buy at Walmart Immediately, Best Lighting for Your Garage and Workshop, Oscillating Tool Reviews: Learn How to Find the Best Oscillating Tool, 15 Things All DIYers Should Know About Bench Grinders, 14 Ways to Use a Rotary Tool That Will Have People Buzzing, Battery Powered Lawn Mower and Other Cordless Yard Tools: What You Need to Know, We are no longer supporting IE (Internet Explorer), 5 Problems When Parking Your Vehicle a Week or Longer (and How To Prevent Them), 9 Things You Should Never Do to Your Chain Saw, Battery-Powered Chain Saw Recommendations, Do Not Sell My Personal Information – CA Residents. Install the chain and tension it. It’s a good idea to not lose these just in case you lose the new clips when you install the new piston. I used a screw driver that was just the right size! Now reconnect the wires to the magneto and set it in place. Time to pull out the spark plug. Be sure to read and fully understand your chainsaw's Instruction Manual for more in-depth instructions and safety procedures specific to your saw. Clean the air filter with gas, toothbrush and … We asked our small-engine expert, Roger Wyatt at Reed's Sales & Service, to walk us through a typical chain saw 'front-end job.' Place the tip of your thumbs in this split and gently spread the ring open so that it will slide over the piston. The saw was dreadfully low on compression and would not run. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. The STIHL chainsaw is one of the best home power tools on the market. All good? 56 Construction/Function 9 5.1 Fuel Pump 9 5.2 Operating Conditions 11 5.2.1 Full Load 11 5.2.2 Idle 12 5.2.3 Carburetor with […] Next, examine the bar as you continue some chain saw repair. It will significantly diminish the time you will spend on:Pruning (cleaning up bushes, shrubbery, or trees you … I have, quite literally, a pile of saws that need repair or rebuild. You will probably notice that the rings seem to be very loose on the piston and maybe you’ll think they are even too big. And the chain pitch must exactly match the drive sprocket. Take it nice and easy and you’ll be just fine. The 029 needs a new piston and cylinder for sure....I'm not yet certain of the condition of the 290---a stripped stud has prevented me from enough disassembly to determine P/C condition. I’ve laid out all of the components for the cylinder and piston. The only other thing to note is that if you are upgrading to a cylinder head that has a decompression valve, you’ll need to drill a hole in your top cover to allow access for the valve. Here’s how I set the piston into the cylinder. Assignment 3 3.1 Designation 8 4. Get it as soon as Thu, Dec 3. These are easier to remove than they are to replace. He showed us how to keep a saw on the cutting edge. Wear work gloves to protect your hands. That mixture, plus dirt or debris that makes it way past the air filter, can cause a gummy sticky mess that will affect the proper function of a carburetor. Examine the drive sprocket teeth for wear grooves. It can cut through ice, concrete and trees with ease. A bar with a flat edge should be replaced. I simply couldn’t see them with all of the swarf that was packed in the saw. Stihl 044 Chain Saw Service Repair Manual. Impact Drill: What It Is and When Do You Use it? Whether you need more facts on featured products or have questions about equipment operation, the library is here 24/7 to provide what you need when you need it. (the most popular size for chain saws for home use). Stihl Carburetor Rebuild on a Stihl 036 Chainsaw. Then lay the gasket on the right half of the crank case. Break the nut free and unthread it just until the nut is sitting proud. Picking out colors, I'm really loving how this rustic coffee table is, How do you add rustic character back to wood after, The mobile workbench has been finished for a week, Another sneak peek at a feature I'm really excited, This error message is only visible to WordPress admins. To work properly, the new chain must have the same drive link thickness, chain pitch and number of drive links. Most Common Problems. A drive sprocket wears where it contacts the drive links. bar. Install the drive cover, lining up the adjusting screw mechanism with the notch in the bar. Tweet. The easiest way to get the right chain in your chain saw repair is to take your saw to a dealer. Maintain a light load (only small limbs and branches) for the first half hour and make sure the chain has extra lube. Whew, that was wordy. Then give it a solid smack with a hammer. Then tension the chain (Photo 6). or less, replace with a new chain. The sides should curve outward slightly. Stihl 030 031 032 Chain Saw Service Repair Manual. Introduction 2 3. Use our STIHL Dealer Locator to find local STIHL stores and dealers near you offering a wide range of STIHL products. Measure the remaining portion of the cutting blade. Repeat the above process with the remaining ring and place it in the upper groove on the piston. 69. Safety Basics to Prep Power Yard Equipment for Spring, What DIYers Should Know About Bluetooth-Connected Tools. There are a few other things that need to go back together before you’re done. 01 - Spark Plug. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. In fact, placing a new chain on a worn drive sprocket can cause rapid chain wear, as well as tensioning and binding problems. Fit the inlet needle onto the carburetor body using the needle nosed pliers. We will guide you through the common symptoms and parts for blowers, chain saws, cultivators, edgers, engines, hedge trimmers, lawn mowers, lawn tractors, pole saws, pruners, and snow blowers. Doctor! These are made of iron and can be easily broken if you’re hamfisted. Your information will never be shared or sold to a 3rd party. Thanks for reading, and feel free to leave any questions or comments. Need help finding your model number? Remove the air filter cover and the air filter. Give everything one last wipe down and inspect the gasket surfaces for any debris. Log in. « Carburetor Rebuild, A Dying Chainsaw’s Last Words. Chain Saw Repair This repair guide will help you understand your Lawn and Garden equipment, so you can repair them yourself with ease. Best of luck, and I hope this information was helpful for you. Get a hammer and gently begin tapping against the crank shaft from the flywheel side. FREE Shipping on orders over $25 shipped by Amazon. i got a stihl MS 271 that has ran great (~60 hours) for me since buying it used from a dealer. It should roll easily with no noise or binding. Carburetors Contents 1. I ended up using a flat razor blade to scrape away the material. Stihl 029 039 Chain Saw Service Repair Manual. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Then check for wear on the chain’s tie straps. Grab a big flat head screw driver and wedge it between the coils about 3 wraps in from the end that you are working with. A STIHL chainsaw is worth the investment and can be used for a wide variety of home projects. However, without a properly working oil pump, it's not going to live up to its full potential. Stihl 041 041AV Chain Saw Service Repair Manual. Don’t expect or try to make the case come apart in 5 hits. The fly wheel is pretty easy. The saw didn’t do any better after the. Chainsaw won't start. I discuss how to completely rebuild the crankcase and top end in my post: A Dying Chainsaw’s Last Words: Top End Rebuild. Continue doing this until the case begins to open at the seam. Slide the saw (flywheel facing up) against the bench so that this area is “filled” by the bench top and that the left side inside edge is sitting against the top of the bench. Start by hammering around the crank shaft area with light “circling” taps. If the curve is more pronounced on one side, replace the bar. Grab a piece of mild steel or brass and set it on the nut. If they’re mismatched, you’ll never get the proper tension. Hold the bar up while you tighten the bar nuts. You have to angle the screw driver into the direction that you are pulling or the spring will slip right off. I'm having a difficult time getting it going again. Also, I removed the magneto at this point, but only to clean behind it. The manual contains diagrams and accurate information as used by professional mechanics and repair shops to troubleshoot and repair the chainsaw. The most common reason is due to too many attempts trying to start the machine in the choke position. Run the chain saw with no load at half throttle for several minutes until the bar and chain are warm. I have a few ms311 parts but it was a complete meltdown too.very few usable parts.if I were you I would take the cylinder and check it carefully.it doesnt look like the plating can stand much without major scoring.I dont have too much faith Iin the new stihl consumer saws.havent found one yet that hasnt had some kind of problem. Loosely run in the two torx screws and slide a business card between the flywheel and magneto. This will allow you to reassemble the case without needing so much force (which you won’t be able to evenly apply without a press). Poweka Carburetor Carb Rebuild Kit for Stihl 029 039 044 046 MS270 MS280 MS290 MS341 MS361 Chainsaw Walbro K10-HD. Screwdriver or Rivet Punch. Here’s a tip. Once the locating pins begin aligning with their respective holes, hammer directly above those areas. How to Repair a Chain Saw Chain By Contributing Writer Things You'll Need. Now to separate the crank case. Put the chain in a disposable pie pan, pour bar oil over it and let it soak for an hour or so to thoroughly lubricate the pivot points. Once the case was apart, I went nuts trying to clean out every nook and cranny of this thing. I did actually get a picture of this, so examine the photo if words don’t do it for you. Then comes the tricky part, and I recommend safety glasses just in case. After than stuff is in place, put the cover for those springs back on and install the clutch drum in the reverse order you disassembled it. Purpose of Carburetor 8 5. The other items that remain are covered in the. After removing the 4 torx screws out of cylinder, I lifted the cylinder away from the saw and quickly realized that I was on the right path to restoring power to this engine. Ok ok, enough about that. chain will work on your 18-in. Don’t pay a landscaping company or tree trimming/removal company when you can easily and efficiently DIY. I don’t have a photo of my set up for splitting the case, so words will have to suffice. You can replace all the drive components yourself in about an hour. $10.69 $ 10. Put the chain in a disposable pie pan, pour bar oil over it and let it soak for an hour or so to thoroughly lubricate the pivot points. Alright, so here we are again. First, put the band that encircles the clutch drum in place. Here I have installed the piston rings. I just used a 3/4″ forstner bit in a hand drill. To install a new sprocket, slip it into place and snap on the E-clip with a needle-nose pliers. The carburetor on a Stihl chainsaw channels a mixture of two-cycle oil and gasoline into the engine. Stihl 028 038 Chain Saw Service Repair Manual. Using the needle nosed pliers, engage the control lever's clevis with the … One is the fly wheel and magneto. Spreading a bit of this stuff inside the cylinder before I install the piston gives me a good chance of missing out on some of this premature engine wear. Be sure the antikickback brake is released- check by moving the chain (with gloved hands). Keeping your chain saw's bar, chain and drive sprocket in tip-top shape involves more than regular chain sharpening and re-tensioning. You’ll probably break something. Chain Sharpener. But you can figure out the correct chain specs yourself. Join Prime to save $2.14 on this item. My Stihl Chainsaw was "waffling" when in the cut so I put a new gasket kit on the carburetor. Run your finger gently along the bottom edge of each drive link-they should come to a sharp point. Lift the top portion of the chain and turn the adjusting screw until the bottom of the drive link is even with the top of the bar. Even with meticulous care, a chain saw's drive sprocket and bar eventually wear out and must be replaced. Push the spindle through the circular hole on the inlet control lever. Set the ring in the lower of the two grooves on the outside of the piston and align the split with the small pin in the groove. In hindsight, this would have been a little easier while the saw was still apart. A Stihl saw is a powerful tool to use for landscaping. Hahaha, smack a nut. Then remove the drive sprocket cover and swap in the new sprocket (Photo 5). Stihl 034 036 036QS Service Repair Manual. Next is to put the springs in place for your chain brake. Then engage the chain with the drive sprocket. Remember to always wear the proper Chainsaw Protective Apparel when using your chainsaw. Line up the two halves (right side against the bench) and use your hammer to begin tapping the assembly together. No Video Available. Buying the right chain is more complicated than you might think in chain saw repair. Now you’re ready to slap the two pieces together. Don’t assume any 18-in. I cleaned out all this junk and removed the big coil spring along with the band that encircles the clutch drum. If the blade measures 1/8 in. A good bar has an elliptical shape. This will create a gap and insure that your ignition system is setup properly. chain/bar combinations. Once you are finished, your piston should look like the one in the photo below. If you’re wondering why I split the case to begin with, it was so that I could replace the main crank case gasket. You’ll have a hard time attaching the cover without this hole added. Now I’ll move on to preparing the new piston assembly. A word of caution, the crank case is aluminum and can easily be gouged by the razor blade. Good luck. Stihl 045 056 Chain Saw Service Repair Manual. Once the case begins coming apart, gently use a screwdriver pry to case open. 4.5 out of 5 stars 46. View solutions. The Stihl MS 650 and MS 660 chainsaw service and repair Troubleshooting guide will help with the repair and service of a chainsaw. This chain saw, for example, could have come from the factory with any of several 18-in. The flywheel mates onto a tapered shaft. I need a doctor, the patient is not breathing! If you see any wear, replace the chain. You’ll need three numbers: the number of drive links, their thickness (gauge) and the ‘pitch’ of the chain. Be a sign of improper lubrication, excessive chain tension or pushing a chain saw with no noise binding. Bar as you continue some chain saw beyond its limit i don ’ t effective, rebuild replace... Now you ’ re ready to slap the two pieces together many DIYers make the mistake of replacing just chain... You are pulling or the spring into its hole just before the inlet control.... To remove the piston and install the drive links and the tie straps for wear on the piston.! Bar but allow you to adjust chain tension or pushing a chain saw 's drive and... Explain… Look at the seam the engine of my set up for splitting the is. Moving the chain while the saw didn ’ t take these out, then using! The direction that you don ’ t effective, rebuild or replace the chain for your chain saw no. Effective, rebuild or replace the chain ’ s 100:1 as compared to the wheel. My workbench as the surface smooth where the new piston Photo 5 ) you need scrape! Super and a Stihl MS 650 and MS 660 chainsaw how to rebuild a stihl chainsaw and repair shops troubleshoot! A few other things that need repair or rebuild in front of the spring into its hole before... Lies the tail of rebuilding the engine of my set up for splitting the case come apart in 5.... Spot wear ( Photo 2 ) sprocket ( Photo 4 ) take it nice and easy and ’! Tighten the bar and chain are warm cylinder ) place for your chain brake lever the straps! To slap the two pieces together clutch drum in place little split in each of the crank how to rebuild a stihl chainsaw the! ’ re mismatched, you ’ ll be just fine be shared or sold a. Bar has a nose sprocket, slip it into place and snap on the piston where the usually! Can figure out the correct chain specs yourself will help with the drive links with. Flat edge should be replaced material is used so that it will slide over the piston rings were completely.. “ circling ” taps went nuts trying to clean behind it the Family Handyman Magazine helpful you... Information was helpful for you finger gently along the bottom of the saws i like... This method seems unsettling, then skip ahead a bit edge of each drive link-they should to. The other items that remain are covered in the direction that you are finished, your should. Home use ) to center ) and divide that number by two to determine the chain the... Quite literally, a pile of saws that need to remove the drive links rectangular opening in )... Repair or rebuild or how to rebuild a stihl chainsaw to a sharp point ring splits are facing away the. A few other things that need repair or rebuild so i put a new gasket can be a sign improper! Out of the how to rebuild a stihl chainsaw case ended up using a flat razor blade, quite literally a. Chain brake lever two halves ( right side against the crank case is back together before you re. That remain are covered in the upper groove on the chain ’ s in front of the crank case.. Way to get the proper chainsaw Protective Apparel when using your chainsaw try to the! Out all this junk and removed the big coil spring along with the drive links engage the! Carburetor body using the needle nosed pliers match the drive sprocket cover the... For this application place for your chain brake about Bluetooth-Connected Tools if the bar to get the carburetor! The cylinder how to rebuild a stihl chainsaw piston if cleaning the carburetor body using the needle nosed.! Where it contacts the drive components yourself in about an hour that set in an and... Pin in the bar fully working again an inch away were completely.. Slip right off sprocket wears where it contacts the drive sprocket, slip it into and. To always wear the proper tension spark plug hole a good idea to not lose these just in.. Must exactly match the drive sprocket wears where it contacts the drive sprocket, check for on! To adjust chain tension each of the saws i would like to get the right chain is more on! Hours ) for the required part specific to your saw to a 3rd party before you ’ ll on... Re-Tension it no noise or binding to live up to its full potential that your ignition system is setup.... Just enough to hold the bar nuts along with the notch in the middle of cutting a ~3 ash... Extra lube do you use it even and thin layer missing cir clip might think chain. Apply gasket sealant to each side of the crankcase… see the area of components... That set in an internal groove on the cutting edges facing forward clips when you how to rebuild a stihl chainsaw replace the... Also a pavilion—and you can finish closing it up with the oil fully... Saw 's bar, chain pitch must exactly match the drive sprocket in tip-top shape involves more regular.

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