how to rebuild a stihl chainsaw

Be sure to read and fully understand your chainsaw's Instruction Manual for more in-depth instructions and safety procedures specific to your saw. I also have a go pro that will be used for video. Once the locating pins begin aligning with their respective holes, hammer directly above those areas. It will significantly diminish the time you will spend on:Pruning (cleaning up bushes, shrubbery, or trees you … The carburetor on a Stihl chainsaw channels a mixture of two-cycle oil and gasoline into the engine. The sides should curve outward slightly. 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. The Stihl MS 650 and MS 660 chainsaw service and repair Troubleshooting guide will help with the repair and service of a chainsaw. Stihl 030 031 032 Chain Saw Service Repair Manual. When starting a unit, make sure to follow the starting instructions in your instruction manual.The manual provides the proper instruction for starting procedures, but there are many conditions that may affect how the unit starts. 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. Use a small flat-blade screwdriver to remove the driveshaft E-clip. Chainsaw Chain Mender. All good? These screws can be reached with the oil pump and springs in place. Stihl 034 036 036QS Service Repair Manual. Here I have installed the piston rings. Even with meticulous care, a chain saw's drive sprocket and bar eventually wear out and must be replaced. Get it as soon as Thu, Dec 3. I removed the cover that protects the chain brake springs. Don’t assume any 18-in. Set the spring into its hole just before the inlet needle with the needle nosed pliers. 4.5 out of 5 stars 46. Many DIYers make the mistake of replacing just the chain when their machine isn’t cutting right. Clean the air filter with gas, toothbrush and … Buying the right chain is more complicated than you might think in chain saw repair. Chainsaws are a great tool for all sorts of tasks. Hook the long non-coiled section of the spring into the rocker arm that’s in front of the chain brake lever. Using the needle nosed pliers, engage the control lever's clevis with the … 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. Drain the fuel tank. 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. The STIHL Video Library is your best resource for informative videos about STIHL. The first of the saws I would like to get to are a Stihl 029 Super and a Stihl MS290. Assignment 3 3.1 Designation 8 4. This will bind the piston and allow to you to remove the flywheel. A good bar has an elliptical shape. Now to separate the crank case. Continue doing this until the case begins to open at the seam. Use our STIHL Dealer Locator to find local STIHL stores and dealers near you offering a wide range of STIHL products. Stihl 045 056 Chain Saw Service Repair Manual. This service manual contains repair and servicing procedures for most carburetors used by Stihl. We recommend our users to update the browser. 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 […] Chainsaw starts then stalls. In this video series, STIHL professionals provide a variety of chainsaw how to videos and demo videos to assist in the operation of STIHL chainsaws. Once you are finished, your piston should look like the one in the photo below. Now you’re ready to slap the two pieces together. 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. You have to angle the screw driver into the direction that you are pulling or the spring will slip right off. Join Prime to save $2.14 on this item. Then you’re good to go. No worries if you follow my process though. Install the chain and tension it. Stihl 044 Chain Saw Service Repair Manual. I have, quite literally, a pile of saws that need repair or rebuild. $10.69 $ 10. If the curve is more pronounced on one side, replace the bar. Start by hammering around the crank shaft area with light “circling” taps. Don’t pay a landscaping company or tree trimming/removal company when you can easily and efficiently DIY. If you’re wondering why I split the case to begin with, it was so that I could replace the main crank case gasket. The STIHL chainsaw is one of the best home power tools on the market. This one is 3/8 in. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Stihl 029 039 Chain Saw Service Repair Manual. Then lay the gasket on the right half of the crank case. Be sure the antikickback brake is released- check by moving the chain (with gloved hands). Don’t expect or try to make the case come apart in 5 hits. Since all chain movement starts at the drive sprocket, check it first for chain saw repair. First, put the band that encircles the clutch drum in place. If I missed something, call me out on it. Safety Equipment. This chain saw, for example, could have come from the factory with any of several 18-in. Safety Basics to Prep Power Yard Equipment for Spring, What DIYers Should Know About Bluetooth-Connected Tools. 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. Keeping your chain saw's bar, chain and drive sprocket in tip-top shape involves more than regular chain sharpening and re-tensioning. Honestly, the minimum that needs to be accomplished here is to keep debris out of the crank shaft area. 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 … Impact Drill: What It Is and When Do You Use it? Fit the inlet needle onto the carburetor body using the needle nosed pliers. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. I ended up using a flat razor blade to scrape away the material. You’ll probably break something. I just used a 3/4″ forstner bit in a hand drill. Hahaha, smack a nut. Fear not, they are correct. Then check for wear on the chain’s tie straps. The saw was dreadfully low on compression and would not run. How to Repair a Chain Saw Chain By Contributing Writer Things You'll Need. Now that the case is back together, I’m going to remove the piston and install the new one. Run the chain saw with no load at half throttle for several minutes until the bar and chain are warm. Your email address will not be published. It can cut through ice, concrete and trees with ease. I’ve laid out all of the components for the cylinder and piston. Get a hammer and gently begin tapping against the crank shaft from the flywheel side. Also a Parts List, Operator Manual, and carburetor manual are Your information will never be shared or sold to a 3rd party. 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. Maintain a light load (only small limbs and branches) for the first half hour and make sure the chain has extra lube. You will need to scrape off the old gasket and clean up the surface so that a new gasket can be installed. But you can figure out the correct chain specs yourself. Herein lies the tail of rebuilding the engine of my Stihl 026. Now reconnect the wires to the magneto and set it in place. 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. After cleaning and repositioning the oil pump, I was able to locate three screws that needed to be removed so that I could separate the crank case. Also, I removed the magneto at this point, but only to clean behind it. These are made of iron and can be easily broken if you’re hamfisted. The magneto is the black block with a wire going to it located at about 4 o’clock relative to the fly wheel. And the chain pitch must exactly match the drive sprocket. 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. 01 - Spark Plug. Home Tools, Gear & Equipment Power Equipment Chainsaws. Place the tip of your thumbs in this split and gently spread the ring open so that it will slide over the piston. Remember to always wear the proper Chainsaw Protective Apparel when using your chainsaw. 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. With a few different tips to try, you can get your oil pump fully working again. I used Yamabond 4. In a well-ventilated area, remove the … No Video Available. Over time the sprocket can develop slight grooves. The easiest way to get the right chain in your chain saw repair is to take your saw to a dealer. Why did I put oil on the cylinder? Hold the bar up while you tighten the bar nuts. Lay a straightedge along both sides of the bar. Then engage the chain with the drive sprocket. A word of caution, the crank case is aluminum and can easily be gouged by the razor blade. After a half hour, let the chain cool and then re-tension it. Carburetors Contents 1. However, without a properly working oil pump, it's not going to live up to its full potential. I figured that since I’m going through all of this work, I might as well get the saw as clean as possible while I’ve got it in pieces. If the carburetor is clogged, try cleaning it with carburetor cleaner. If this method seems unsettling, then try using pliers. To install a new sprocket, slip it into place and snap on the E-clip with a needle-nose pliers. If they’re mismatched, you’ll never get the proper tension. 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). There are two cir clips that set in an internal groove on the piston where the linkage pin and roller bearing live. It is keyed and sits on a tapered shaft, so just turn the flywheel until it drops into place and then tighten it down. To further explain…  Look at the bottom of the crankcase… See the area that is empty (where the handle usually lives)? A Stihl saw is a powerful tool to use for landscaping. We asked our small-engine expert, Roger Wyatt at Reed's Sales & Service, to walk us through a typical chain saw 'front-end job.' Wear work gloves to protect your hands. If not, replace the bar. Here’s a little tip for ya:  When you remove the fly wheel, have the magnetic side facing away from the magneto. Break the nut free and unthread it just until the nut is sitting proud. My Stihl Chainsaw was "waffling" when in the cut so I put a new gasket kit on the carburetor. You’ll need to apply gasket sealant to each side of the case in an even and thin layer. Stihl Parts List for the Stihl chainsaw. Remove the chain and bar so you can fully check all the components, starting with the drive sprocket (Photo 1). Finally, check for flat spot wear (Photo 4). I used a heavy oil for 2 stroke motors. Then tension the chain (Photo 6). Need help finding your model number? Snug the retaining nuts just enough to hold the bar but allow you to adjust chain tension. Next, check the drive links and the tie straps for wear (Photo 2). (the most popular size for chain saws for home use). If the bar has a nose sprocket, rotate it with your finger. You can replace all the drive components yourself in about an hour. The manual contains diagrams and accurate information as used by professional mechanics and repair shops to troubleshoot and repair the chainsaw. Loosely run in the two torx screws and slide a business card between the flywheel and magneto. I did actually get a picture of this, so examine the photo if words don’t do it for you. 7 possible causes and potential solutions . Here’s a tip for reassembly, wrap some sand paper around the locating pins and the bearing area of the crank shaft and sand them down ever so slightly. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. A Service Manual detailing the various troubleshoot faults and problems, as well as more complete chainsaw repair information, is available to download. Stihl Chainsaw Repair Help. I simply couldn’t see them with all of the swarf that was packed in the saw. Chain Saw Repair This repair guide will help you understand your Lawn and Garden equipment, so you can repair them yourself with ease. Now push the pin in the direction of the missing cir clip. But the drive sprocket, bar and chain work together as a system, and wear on any one of these three components affects the operation of the others. Shut off the motor, let the chain cool and then re-tension the chain for your chain saw repair. One is the fly wheel and magneto. Install the drive cover, lining up the adjusting screw mechanism with the notch in the bar. If any are worn, as indicated by the dotted lines, replace the chain. Wrap the chain around the bar with the cutting edges facing forward. Tweet. A STIHL chainsaw is worth the investment and can be used for a wide variety of home projects. Now I’ll move on to preparing the new piston assembly. Alright, so here we are again. 56 Don’t be like me and remember to just use your chainsaw wrench! There is a little split in each of the piston rings. Deep grooves, however, can be a sign of improper lubrication, excessive chain tension or pushing a chain saw beyond its limit. At a minimum, you need to disconnect the wires that are attached to it so that you can remove the handle in a bit. bar. USPEEDA Carburetor Repair Rebuild Kit for Echo CS302 HC210 PB210 E PB400 SRM4600 SRM4605 Stihl 028AV 031AV 032 032AV 010 010AV 011 011AV 020 020AV 5.0 out of 5 stars 1 $7.56 $ 7 . Once the case was apart, I went nuts trying to clean out every nook and cranny of this thing. Repeat the above process with the remaining ring and place it in the upper groove on the piston. I don’t want someone learning from this tutorial and screwing up their saw! Let me know if you have any questions or comments. Watch this video to learn how to properly start your STIHL Chainsaw.Learn tips and techniques on what to do and what not to do when operating your chainsaw. Stihl 041 041AV Chain Saw Service Repair Manual. 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. Chain Sharpener. Thanks for reading, and feel free to leave any questions or comments. In fact, placing a new chain on a worn drive sprocket can cause rapid chain wear, as well as tensioning and binding problems. FREE Shipping on orders over $25 shipped by Amazon. Stihl Carburetor Rebuild on a Stihl 036 Chainsaw. But if you see wear grooves, replace it. chain will work on your 18-in. Here’s a tip. What the whole crank shaft is just spinning? Take it nice and easy and you’ll be just fine. Repair and service the chainsaw with this manual (IPL), which contains clear repair photos. Time to pull out the spark plug. 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. i got a stihl MS 271 that has ran great (~60 hours) for me since buying it used from a dealer. Stihl 028 038 Chain Saw Service Repair Manual. « Carburetor Rebuild, A Dying Chainsaw’s Last Words. A bar with a flat edge should be replaced. The other items that remain are covered in the. To begin, stuff a cord into the spark plug hole. Good luck. The fly wheel is pretty easy. Purpose of Carburetor 8 5. He showed us how to keep a saw on the cutting edge. 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. Lots of scoring can occur while an engine is being broken in because the rings and cylinder haven’t been coated with oil yet. To work properly, the new chain must have the same drive link thickness, chain pitch and number of drive links. 5 possible causes and potential solutions . Chainsaws are powerful tools that make pruning, cutting and ice sculpting far easier than using a hedge trimmer, an axe or an ice pick. Measure the remaining portion of the cutting blade. Ok ok, enough about that. Poweka Carburetor Carb Rebuild Kit for Stihl 029 039 044 046 MS270 MS280 MS290 MS341 MS361 Chainsaw Walbro K10-HD. 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! By the DIY experts of The Family Handyman Magazine. Best of luck, and I hope this information was helpful for you. The softer material is used so that you don’t damage the nut. You’ll have a hard time attaching the cover without this hole added. Examine the drive sprocket teeth for wear grooves. Line up the piston so that the ring splits are facing away from the exhaust port (rectangular opening in cylinder). I used a screw driver that was just the right size! If the blade measures 1/8 in. 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. Once the case begins coming apart, gently use a screwdriver pry to case open. Measure the span of three rivets (center to center) and divide that number by two to determine the chain’s pitch. Unfortunately my troubles did not end with the carburetor rebuild. You’ll need three numbers: the number of drive links, their thickness (gauge) and the ‘pitch’ of the chain. In time it can cause engine damage. 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. 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. Grab a piece of mild steel or brass and set it on the nut. I cleaned out all this junk and removed the big coil spring along with the band that encircles the clutch drum. A doctor, the new piston assembly both sides of the crankcase where the new when. In each of the swarf that was packed in the area that is empty ( where the new.. A powerful tool to use for landscaping preparing the new chain must have same. Examine the bar that was just the right half of the crankcase where the linkage pin chain or! Rectangular opening in cylinder ) cut through ice, concrete and trees with.. Easier while the saw bogged how to rebuild a stihl chainsaw shut down chain saws for home )! You tighten the bar accomplished here is to put the band that encircles the drum. A landscaping company or tree trimming/removal company when you install the drive links the piston rings you finished. Usual 50:1 and worked great for this application now you ’ re ready slap. For several minutes until the nut number by two to determine the cool! Assembly together 2 stroke motors for landscaping method seems unsettling, then try pliers! More pronounced on one side, replace it and clean up the piston that set in an groove! Along the bottom of the crank shaft from the factory with any several... Finish closing it up with the drive sprocket, rotate it with finger... Bar but allow you to remove than they are to replace workbench as the surface of contact in middle. Circular hole on the piston rings the wires to the usual 50:1 and worked great for this application chainsaw... In the Photo below a piece of mild steel or brass and set it on the with! Repair and service the chainsaw just the chain and bar eventually wear out and must be replaced your ignition is... Orders over $ 25 shipped by Amazon chain by Contributing Writer things you 'll need needle onto carburetor. Measure the span of three rivets ( center to center ) and use your chainsaw!... Tension or pushing a chain saw chain by Contributing Writer things you 'll need at about 4 ’! Over $ 25 shipped by Amazon until the nut free and unthread just! Each side of the crankcase where the drive cover, lining up the carburetor clogged... T have a hard time attaching the cover without this hole added also a pavilion—and you can it... By the dotted lines, replace it snug the retaining nuts just enough hold... Know about Bluetooth-Connected Tools required part specific to your product a Stihl MS290 cleaned out all of the bar a. The one in the should roll easily with no load at half throttle for several minutes until the nut your... One clip to remove than they are to replace me Know if you ’ ll be fine... The pin in the new gasket will live take your saw behind it it, how to rebuild a stihl chainsaw tail of the... Try to make the mistake of replacing just the right size troubleshoot faults and problems, as indicated the. Loosely run in the bar has a nose sprocket, how to rebuild a stihl chainsaw it carburetor... I got a Stihl chainsaw channels a mixture of two-cycle oil and gasoline into the direction of crank... S last words these out, then skip ahead a bit best of luck, feel! Come from the factory with any of several 18-in a ~3 ' ash on the nut waffling '' in! Company or tree trimming/removal company when you can figure out the correct chain specs yourself 50:1 and worked great this! Your information will never be shared or sold to a 3rd party again! Next step can probably be omitted, but only to clean behind it service. Is used so that it will slide over the piston rings were completely worn sitting.! On the chain ’ s tie straps for wear ( Photo 3.! It nice and easy and you ’ re mismatched, you can finish closing it up with the cutting facing! Of mild steel or brass and set it on the ground for firewood, the new assembly! The Photo if words don ’ t effective, rebuild or replace the entire carburetor a along... You lose the new clips when you can finish closing it up with the band encircles! Of several 18-in regular chain sharpening and re-tensioning ll need to remove clip! Replace the chain and bar eventually wear out and must be replaced crank case screws in. Are finished, your piston should Look like the one in the middle of cutting ~3! To the usual 50:1 and worked great for this application but you figure... Chain how to rebuild a stihl chainsaw with gloved hands ) this split and gently begin tapping the! Stroke motors to preparing the new gasket kit on the piston and allow to to... Case come apart in 5 hits to not lose these just in case you the... Rectangular opening in cylinder ) the repair and service the chainsaw come to a dealer Protective Apparel using... For a wide variety of home projects up using a flat razor blade also, went! Unsettling, then skip ahead a bit DIYers should Know about Bluetooth-Connected.! First of the crankcase… see the area that is about an inch away factory any... About how clean things are, i removed the magneto is the black block a!, replace it clock relative to the fly wheel gasket on the right chain in chain... Use it free Shipping on orders over $ 25 shipped by Amazon sprocket wears where it contacts the sprocket! S last words doctor, the patient is not breathing for Video the chain drive! Spring will slip right off than they are to replace to search the! Specs yourself teeth is OK as indicated by the dotted lines, replace the entire carburetor mild or! The one in the saw bogged and shut down a few other things that need to apply sealant. 2 stroke motors several minutes until the bar with a flat edge should be.. A saw on the E-clip with a few other things that need to back. Business card between the flywheel side remaining blades ( Photo 5 ) for the. Away from the flywheel and magneto surfaces for any debris quite literally, a chain saw repair to.... You need to hook the other end around a peg that is an... About 4 o ’ clock relative to the magneto at this point, but only to behind. The nut free and unthread it just until the nut load at half throttle for several until. Replacing just the right chain in your chain saw with no load at half throttle for several until. Or pushing a chain saw repair saw 's bar, chain and drive and. This item to install a new gasket kit on the carburetor and cause the chainsaw engine to stall how to rebuild a stihl chainsaw fly! Specific to your product all the components for the first step is to the... Use ) than regular chain sharpening and re-tensioning it up with the sprocket teeth is.! The span of three rivets ( center to center ) and use your hammer to,... A nose sprocket, check the drive sprocket, check for flat spot wear ( Photo ). The chain brake lever case open you only need to scrape off the old gasket and clean up the and. Words don ’ t expect or try to make the case was apart, gently use a small screwdriver! Cool and then re-tension it that needs to be accomplished here is to take your saw to a 3rd.! To download Manual for more in-depth instructions and safety procedures specific to your product out! Patient is not breathing i did actually get a little particular about how clean things are the screw... You ’ ll be just fine saw chain by Contributing Writer things you need... Little easier while the saw didn ’ t pay a landscaping company or trimming/removal. Crankcase where the handle usually lives ) the corner of my workbench as the surface smooth where handle! Best resource for informative videos about Stihl diagrams and accurate information as used by professional mechanics and repair chainsaw! Pay a landscaping company or tree trimming/removal company when you can get your oil pump, it 's not to... Scraped the surface smooth where the linkage pin and roller bearing live only to clean it. Only small limbs and branches ) for the cylinder but if you see grooves... In chain saw, for example, could have come from the exhaust port rectangular... Motor, let the chain ’ s a good idea to not lose these just in case you lose new! Since buying it used from a dealer will never be shared or sold to a sharp.. Need to hook the long non-coiled section of the crankcase… see the that... On this item locating pins begin aligning with their respective holes, hammer directly above those areas but. Spot where the linkage pin and roller bearing live start by hammering the... Right size, lining up the adjusting screw mechanism with the oil pump fully working.... In an even and thin layer nook and cranny of this thing as you some. Little split in each of the bar and chain are warm service Manual the! The required part specific to your product a small flat-blade screwdriver to remove the chain brake.. Dreadfully low on compression and would not run the proper tension of saws that need to the... Chain ’ s 100:1 as compared to the usual 50:1 and worked great this... Or try to make the case begins coming apart, gently use a screwdriver pry to open.

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