December 28


How to Fix if Cordless Chainsaw Leaks Oil

In case your cordless chainsaw drips oil from the bottom. It can be because of a damaged oil tube. There's a rubber bulb on the cap of the tank. There is the plastic tubing that routes it to the oil pump. To reach the oil tube, you'll have to dismantle the chainsaw.

No matter what caused the chainsaw oil leakage, it's time to fix it right away to avoid any inconvenience or a mishap from occurring. As soon as you see oil dripping down, you must begin to fix it instantly.

Otherwise, the entire oil reserved will be drained, and you'll have to pay more to buy it. It's good to fix the damage on the spot to save the oil and avoid any unwanted incident.

When taking your cordless chainsaw to an expert for repairing, there may be a situation that may not be possible. In remote areas, he may not be easily accessible.

Another possibility is that you may have no internet facility to search online and see tutorials about fixing the oil leaks. Of a truth, it is pertinent for you to be conversant with the best actions to take without frivolities. It's time to take action.

Various steps are involved in carrying out the procedure. These are mentioned below:

Dismantling the chainsaw

Take the chain and bar off with its tensioning cover. In the chain driver cog, there's a flying circlip. You have to remove it. Then, move the cog in an upward direction with the short spring and the shield.

It's possible to remove the main body side cover. There are three screws on the back motor side cover, where brushes are installed. Remove those screws too. Under a clip, behind the trigger, there's a hidden screw.

Keep in mind, never pull on the armature nut. If you do so, you'll pull up the entire assembly. It'll need an impact hammer. The big fiber plastic cog with its bearing comes out with pulling. It can be left beside the armature. 

Find out the damage

After the dismantling is done, it's time to know the nature of the damage that occurred to the chainsaw oil tube. According to tech data, an additive in the Reflo 68A compressor oil can be a reason for the perished PVC tube. You can have a perfect seal, plastic, and paint compatibility.

An added benefit is a complete synthetic polyalphaolefin benzene based ammonia refrigeration compressor liquid. There is a seal swell agent. It prevents oil leakage. The seal swell agent can be the reason.

Remove the bar and the chain. Wipeout oil drops to make it completely dry and clean. Its casting bodies can retain oil. So, you need to make sure it's properly wiped. Get a cardboard sheet and put it under the chainsaw.

Leave it there for it to hibernate or rest on its own for up to an hour; you can even leave it to rest there for a longer period. If there are a few oil drops, it's normal. If it has a heavy oil leak, it's time for further investigation. 

Replace the tube

When you have finally detected the tube's damage with an oil leak, it's time to replace it to stop the leakage. If you have silicone tubing available, it's okay. This will prevent further leaks and won't cause any trouble while using the cordless chainsaw.

It's a wise idea to have a spare oil tube for the chainsaw at the time of purchase. It'll help avoid any issue in case it leaks during operation. You won't require to repair the tube.

There will be a new one instantly available. You can easily fix it and remove the perished one in a hassle-free way within a jiffy, though it's dependent on the level of your expertise. Beginners can take more time. They may need to take the chainsaw to a person who can repair it for them. 

Don't forget the brushes

Before you begin to assemble, pull out the armature brushes. Then, you'll be able to put the armature back in its accurate place. You can use a coin in the cover while you make it tight. It'll let you avoid damaging the housing of the brush. Finger tight can also work in some cases.

Final assembly of the chainsaw

When the armature gets fixed properly from a cover, which is flush-mounted, it's time to lock out the safety lever. Now, it's possible to reinstall the spring assembly.

In the end, you can reinstall the main side cover. After that, reinstall its drive cog and flying circle. The fixing process is very brief if you're experienced. Beginners may take more time as they have no expertise regarding the assembling of the chainsaw. 

Causes of oil leaks

As an owner of a new chainsaw, you can often be concerned about its tube oil leakage. It can be worrisome if not managed on time. There can be a pool of oil below the chainsaw at the place where it's placed.

Every time you use a cordless chainsaw, it spreads some oil around the guide bar, body, and chain in the form of a mist. When you turn off the chainsaw, the oil begins dripping down in the form of larger droplets.

When something hard hits the oil tube, it can cause damage. When the tube perishes, the oil drops can leak.

To make sure you avoid oil leakage from the tube of your cordless chainsaw, it's better to store it in a cool, safe area. When not in use, pack it in a box or a bag that is clean and dry. Also, take care to use it properly and avoid contact with any chemicals.

Buy from a reputed brand that ensures high-quality. Look for the warranty as it will be durable and long-lasting.

Final Words

When there's an oil leak from your chainsaw tube, it shows there must be some damage in it. You can replace the tube to get rid of this issue. Immediately inform the manufacturer if you detect any oil leak from the tube. At home, you can follow the above-mentioned steps.

About the author

Chris Ross

My name is Chris Ross. I'm an arborist by profession & a blogger by passion.Currently I live in Austin, United States. Being in the cutting services for more than 10 years, I know a thing or two about chainsaw. I love to write about chainsaw for homeowners and professionals. I hope my epic guides will help you to choose,buy and maintain chainsaw.

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