Chainsaw leaking gas

Chainsaw leaking gas DEFAULT

Chain Saw: Leaks Gas

The fuel tank on your chainsaw is a plastic reservoir that stores fuel. The plastic can occasionally become cracked, and when this happens, fuel can leak out. There are several places on the fuel tank that can cause leaks, such as the grommet, the gasket, or the fuel cap. Please see the individual sections on each of these parts to learn more about them. On the tank itself, the most common place for a leak is along one of the seams. If the fuel tank is cracked, it will need to be replaced. Drain the tank of fuel before removing the fuel lines and the tank itself.

The fuel tank on your chainsaw is a plastic reservoir that stores fuel. The plastic can occasionally become cracked, and when this happens, fuel can leak out. There are several places on the fuel tank that can cause leaks, such as the grommet, the gasket, or the fuel cap. Please see the individual sections on each of these parts to learn more about them. On the tank itself, the most common place for a leak is along one of the seams. If the fuel tank is cracked, it will need to be replaced. Drain the tank of fuel before removing the fuel lines and the tank itself.

Sours: https://www.ereplacementparts.com/

DIY Chain Saw Gas Leak Repair

By Amie Taylor

Check the chain saw for gas leaks before and after each use.

If you notice that your chain saw is leaking gas, shut it off immediately, and don't use it until you've discovered the source of the leak and repaired it. Gas that drips onto your clothing or onto the wood you're cutting can easily ignite from the spark required to start the chain saw. Avoid a dangerous situation by ensuring that all gasoline stays contained in the tank, engine and fuel lines of the chain saw.

Fuel System Basics

Once you've emptied the fuel into the gas tank of the chain saw and started the machine, the fuel is drawn from the tank, through the fuel lines and into the carburetor. Afterward, excess fuel returns via the return fuel line to the tank. A leak can occur at any of these points. Fuel can also leak from the primer bulb, or its fuel lines that draw fuel from the tank and into the engine to aid in starting the chain saw.

Leak Location

To find a gas leak in your chain saw, you'll need to inspect it visually. Note of where the fuel emerges from the chain saw. If necessary, disconnect the spark plug wire from the spark plug and dismantle the chain saw to find the faulty part. A socket set, Phillips-head screwdriver and flat-head screwdriver are common tools needed to take the chain saw apart. Lay the parts aside carefully as you remove them to avoid losing pieces. If the leak isn't apparent, run your finger along suspected parts to detect moisture, and smell the residue to ensure that it is gasoline.

Sources of Leaks

When looking for the source of a leak, check out some of the more common parts of the chain saw where leaks often occur. Since many of the components of the chain saw's fuel system are made from plastic and/or rubber, as they age they may harden and crack. The primer bulb, fuel lines and gas tank are all possible sources of gasoline leakage. The cap on the gas tank or any of the washers in the system may also fit poorly over time and be the source of the leak. Inspect the carburetor for faulty gaskets or dirt that signifies the need for a cleaning of the unit.

Leak Repair

Once you've diagnosed the source of the gas leak, it's easy enough to fix by simply replacing the faulty part or parts. Consult the operator's manual for the chain saw to determine the exact part numbers for the parts you need. Always use parts made by the manufacturer of the chain saw for the best results. If you're concerned that you may have trouble installing the new parts on the chain saw after you've removed the old ones, make a quick sketch or take photos of each step as you proceed with the repair.

References

Writer Bio

Amie Taylor has been a writer since 2000. Book reviews, gardening and outdoor lawn equipment repair articles and short fiction account for a handful of her published works. Taylor gained her gardening and outdoor equipment repair experience from working in the landscaping and lawn-care business she and her husband own and operate.

Sours: https://homeguides.sfgate.com/diy-chain-saw-gas-leak-repair-102308.html
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What Causes a Chain Saw to Leak Gas?

By Nicole Vulcan

Stop using the chain saw immediately if you notice fuel leaking.

When your chain saw starts leaking fuel, it's time to stop its engine and locate the root of the problem. Leaking gas is not only smelly and messy, it also poses a fire hazard and could be dangerous to your health. Your first step should be to wipe down the entire exterior of the chainsaw to remove any debris, gunk or fuel. Then inspect the chain saw's body to look for the source of the leak.

Fuel Tank Cracks

Many modern chain saws come with plastic parts that can wear out or break. One such area that may be made from plastic is the fuel tank where the fuel is stored. Plastic fuel tanks can break or crack when they're hit against an object or even dropped onto a hard surface.

Worn Fuel Lines

The fuel lines that deliver the gas from the tank to the carburetor are typically made from rubber or plastic. Like the fuel tank, these parts can crack or break from misuse -- but they can also simply wear out. If you haven't used your chain saw in a while, or it's been stored in a cold, dry location, the fuel lines may become brittle and crack. Check them before you start using the chain saw for the season.

Fuel Cap Damage

The fuel cap that you take on and off to fill up the tank may also get damaged from mishandling. It's pretty easy to drop a gas cap on a hard surface, or to crush it under the weight of a heavy log. Inspect the top of the gas cap and look for cracks, but also inspect the threads on the underside of the cap. If even a single thread becomes cracked or chipped, it can cause fuel to leak out while the chain saw is in use.

The Carburetor System

For any engine to run smoothly, it needs the right mix of air and fuel. The job of the carburetor is to deliver that proper mix -- but if the rubber or plastic seals and gaskets surrounding it become worn or damaged, fuel may leak out instead. In some cases, a simple, inexpensive gasket replacement will do the job; in other cases, you may need to rebuild the entire carburetor to fix the problem. If you've ruled out the fuel tank, fuel lines and fuel cap as the source of your issue, take your chain saw to a licensed repair facility to help diagnose your problem.

References

Writer Bio

Nicole Vulcan has been a journalist since 1997, covering parenting and fitness for The Oregonian, careers for CareerAddict, and travel, gardening and fitness for Black Hills Woman and other publications. Vulcan holds a Bachelor of Arts in English and journalism from the University of Minnesota. She's also a lifelong athlete and is pursuing certification as a personal trainer.

Sours: https://homeguides.sfgate.com/causes-chain-saw-leak-gas-102376.html
Poulan Chainsaw Repair - How to Replace the Fuel Return Line

Gas Chainsaw: Leaking gas. If fuel leaks from the carburetor, rebuild or replace the carburetor to prevent gas from leaking. Replace the fuel tank cap if its seal is damaged and leaking. Check the fuel tank and replace the tank if it's damaged.


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Consequently, why does my chainsaw leak oil when not in use?

An overfilled reservoir can often leak oil when the saw is turned on. Check this and siphon some off if it looks excessively high. If the oil is running out via the delivery line to the bar then there is a chance that the tank vent is plugged up. If so, the chain may be running 'dry' during operation.

One may also ask, should a chainsaw leak bar oil? Most common causes for a chainsaw to leak bar and chain oil. This ensures oil delivery to the bar and chain as soon as the chain begins to rotate around the bar thus reducing wear. Chainsaws should not be stored with their oil and fuel tanks full. Fuel and oil levels should only be topped up prior to use.

Similarly, where does the oil come out of a Stihl chainsaw?

Poke the wire into the oil outlet port on the body of the saw to remove sawdust and dirt that may block it. Look for the oil relief valve in the side of the engine housing, between the oil outlet port and the guide bar studs.

How do I fix the oiler on my Stihl chainsaw?

Turn up the Stihl chainsaw oiler adjustment counterclockwise to increase the oil. Hold the machine up and start the throttle. If it's working right, there should be tiny oil drops as the chain spins. There won't be any drops at all for a Stihl chainsaw bar oil clogged passageway.

Sours: https://findanyanswer.com/why-is-my-stihl-chainsaw-leaking-gas

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