Husqvarna 240 carburetor

Part Number: This video outlines the proper techniques for cleaning and tuning your chainsaw.

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It explains how you can clean your saw and replace the air filter, fuel filter and spark plug as part of the saw's an This video explains exactly what numbers and measurements are needed when matching chainsaw chains, and it also explains how to find them. In addition, this video also offers information about This article suggests guidelines for power tool care and maintenance.

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It also describes information tools available at eReplacementParts. Get the best results out of your chainsaw chain sharpening with the help of this video's professional instructions for three sharpening methods. Shopping Cart. Submit Search. Sign in Sign in with Password. Cart Shopping Cart 0 item s in your cart.

Restore a saved shopping cart. Husqvarna Chainsaw Parts. We're open and continuing to ship packages. Continue Shopping Proceed to Checkout.

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Find Part by Symptom. Won't start Can't keep chain tensioned Leaks gas Chain falls off Hard to start Bar oiler doesn't work Cuts poorly or not at all Starter rope won't retract Engine will idle but dies at full thro.

Search within model. Page A. Carburetor Zama - Ref. Screw-Throttle Hsg. Page B. Page C. Scp x. Page D.

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Page E. Page F. Page G. Page H. Page I. Muffler Back Plate.Tune a Husqvarna chainsaw regularly to ensure good performance and prevent damage caused by an irregular engine.

Three screws on the carburetor are used to fine tune the engine to ensure smooth operation. The "H" screw is used for adjusting the saw's RPMs when at high throttle, while the "L" screw controls low throttle operation in addition to when the saw is rotating up to speed. The third screw, which is often labeled as a "T," is used for setting the idle speed when the saw is running, but has no throttle applied.

Check the air filter to ensure it is not plugged with sawdust or any other material. Also, inspect the muffler for any buildup of carbon. Finally, ensure that the fuel tank is over half full, as leaving any of these issues unaddressed could result in an overly rich fuel mixture after adjustment.

Start the engine and let it idle for several minutes to allow it to warm up. If the saw cannot idle without stalling out, repeatedly squeeze the throttle to keep it running as long as you do not race the engine to full throttle. Doing so while the engine is still cold or in the process of warming up could cause serious damage.

Attach the tachometer to the saw. During all steps, keep track of the RPMs and do not ever exceed the recommended revolutions as outlined in your operator's manual. For most Husqvarna saws, the recommended idle speed is RPMs, but consult your specific manual to be certain. Adjust the idle speed of the saw using a flathead screwdriver on the "T" screw.

Tightening the screw decreases the richness of the fuel mixture, while loosening it has the opposite effect. You want the saw to run smoothly without stalling, but not to have the RPMs so high that the chain engages while it is running idle.

Adjust the "L" screw by slowly tightening it until the engine begins to surge or starve for fuel. Note the position and loosen the screw the other way until the engine starts to bog or drown from an overly rich fuel mixture. Take note of this position and tighten the screw again until the saw is idling comfortably, most likely somewhere directly between the two settings.

Return to the "T" screw and adjust it again, as there is a chance that adjusting the "L" screw may have changed the optimized fuel settings at idle speed. Give the saw full throttle and adjust the "H" screw, tightening it until the engine begins to starve, then loosening until it starts to bog down.

Find a comfortable setting between these two points where the saw runs smoothly. Release the throttle and check the "L" screw setting again, making any readjustments that are necessary.

husqvarna 240 carburetor

Return to the "T" screw and adjust the idle speed one final time. This time tighten the screw until the saw is running smoothly, but does not stall out on you. This is your final idle setting, and the saw is now ready for work. While it is quite possible to tune a chainsaw by ear, having a tachometer available will make your work much more precise, and help you avoid exceeding recommended RPMs.

husqvarna 240 carburetor

Reference 1.Part Number: Get the best results out of your chainsaw chain sharpening with the help of this video's professional instructions for three sharpening methods. This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts. This video explains exactly what numbers and measurements are needed when matching chainsaw chains, and it also explains how to find them.

In addition, this video also offers information about This video outlines the proper techniques for cleaning and tuning your chainsaw. It explains how you can clean your saw and replace the air filter, fuel filter and spark plug as part of the saw's an Shopping Cart. Submit Search. Sign in Sign in with Password. Cart Shopping Cart 0 item s in your cart. Restore a saved shopping cart. Husqvarna Chainsaw Parts. We're open and continuing to ship packages.

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Continue Shopping Proceed to Checkout. Find Part by Symptom. Won't start Can't keep chain tensioned Leaks gas Chain falls off Hard to start Bar oiler doesn't work Cuts poorly or not at all Starter rope won't retract Engine will idle but dies at full thro. Search within model. Page A. Carburetor Zama - Ref. Screw-Throttle Hsg. Page B. Page C. Scp x. Page D.

Carburetor carb for Husqvarna 236 235 235E 240 240E Chainsaw 574719402 545072601

Page E. Page F. Page G. Page H. Page I. Muffler Back Plate.Pigroast uncertainty What are your thoughts? Started by pesaventoc on Chainsaws. Started by waho on Chainsaws. Started by chainsaw man on Chainsaws. Started by bill m on Chainsaws.

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Welcome, Guest. Please login or register. Send this topic Print. I'm helping out an old retired neighbor guy. He has a Husqvarna that runs poorly.

I think it may just need a carb adjustment. I ordered the special splined tool to fit the adjustment screw. If carb adjustment won't do it, will have to open up carb and look it over. Thanks a bunch. I find one full turn on each will usually get you started.

Seems to hold true for several different carbs I have played with.

Husqvarna 240 (2008-01) Chainsaw Parts

I am at feet above sea level so not sure how much it changes depending on your elevation? Share Topic. Similar Topics. Powered by EzPortal. SMF 2. The Forestry Forum is sponsored in part by:. Forestry Forum Sponsored by:. Logged TJ E 3. December 20,PM by Ashbored. Carb adjustment Started by waho on Chainsaws.

Husqvarna Chainsaw Carburetor Kits

Carb adjustment Started by chainsaw man on Chainsaws. April 25,PM by scottr. Stihl carb adjustment Started by bill m on Chainsaws. October 28,AM by bill m.I received it in good time. When I installed it i couldn't prime it. I changed all of the primer hoses and the primer thinking it must be a leak as it's a new carb.

Finally I reluctantly took the carburetor apart and found someone where it was assembled had put the wrong gasket in and it leaked air so it wouldn't prime. I took the gasket from the old carburetor and installed it in the new one.

This shouldn't have happened! Was used with a Husqvarna that had stopped running. Kit came with everything in the photo. Saw now starts and runs better than before it broke down. Thank you. Great value product! Carburetor Replace MPN: For Husqvarna E E. Chainsaw Parts. Carburetor carb for Husqvarna E E Chainsaw Husqvarna Titanium Force Trimmer Line 0.

New carburetor I received it in good time. Did the trick Was used with a Husqvarna that had stopped running. Great buy! Oregon Bench Chain Sharpener Stihl 26RS 74 Chainsaw Chain 18" Husqvarna recommends adjusting the carburetor on the chain saw when you have filled the fuel tank ten times. This assures that the engine goes through the proper break-in period. Husqvarna recommends that a certified technician adjust the carburetor, but you can do it yourself and save some money. Adjusting a Husqvarna carburetor correctly ensures good fuel economy and protects the engine.

When adjusting the chain saw carburetor, keep people and objects away from the chain bar to prevent damage and injury. Set the Husqvarna chain saw on a level surface. Ensure that there is nothing around the chain bar while you are adjusting the carburetor. Start the chain saw and allow the engine to warm for five minutes. Locate the three separate adjustment screws near the pull rope on the chain saw body. A letter is stamped next to each screw.

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Turn the screw with the "L" stamp clockwise with a screwdriver until the screw stops. Do not force the screw past the natural stop. Turn the screw counterclockwise until the engine idles smoothly without hesitation. Squeeze the throttle trigger to test the engine. Continue adjusting the "L" screw until the engine sounds smooth and accelerates smoothly. Place the screwdriver on the screw with a "T' stamp. This is the idle-adjustment screw. Turn the screw clockwise until the chain starts to turn on the chain bar.

Immediately turn the screw counterclockwise until the chain stops turning. The engine should maintain idle speed without the chain moving on the chain bar. Rotate the "H" adjustment screw counterclockwise with the screwdriver until the screw stops.

The engine should sound very rough. Turn the screw clockwise until the engine runs smoothly. Squeeze the throttle trigger. The engine should accelerate with little difficulty and not blow smoke from the exhaust. Contact a service dealer if the chain does not stop rotating with adjustment of the idle screw. This can cause damage to the clutch. Kenneth Crawford is a freelance writer with more than 10 years of experience.

His work has appeared in both print and online publications, including "The American Chronicle. Hunker may earn compensation through affiliate links in this story.Also See for Operator's manual - 67 pages Spare parts - 27 pages Operator's manual - pages. Page of 26 Go. Quick Links.

Husqvarna 240 (2008-01) Carb/Intake/Air Filter Parts Diagram

See also: Operator's Manual. Table of Contents. Oper ator's manual EPA. Please r ead the operator's manual carefully and make sure you understand the instructions before using the machine.

husqvarna 240 carburetor

Lir e attentivement et bien assimiler le manuel d'utilisation avant d'utiliser la machine. Husqvarna Operator's Manual 74 pages. Husqvarna e-series Operator's Manual 67 pages. Husqvarna electric lawn mower operator's manual 44 pages. Page 2: Parts View The engine exhaust from this product contains chemical known to the State of California to cause cancer, birth defects or other reproductive harm.

Page 4 Rev. Page 5 6, 8 Retreat path Rev. Husqvarna is based on a tradition that dates back used to operate the chain saw. Symbols on the machine If you need further information please contact your nearest servicing dealer.

It is not possible to cover every conceivable situation you can face when using a chain saw. Never use a machine with and use your common sense. The body of the No. It takes a certain force to move the hand guard forward. Page Rev.


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