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I'll go over the basics so please ignore what you already know.
Chain saws are 2 cycle which means the gas must have oil added. The ratio is 50:1 typically.
Chain saws are air cooled so they get HOT. They like to be kept clean, and a build up of oily sawdust is an invitation to an unwanted fire.
The chain is lubricated by a thick oil that gets put in a different tank. If you run out of chain oil, the chain will get really hot and you can actually ruin the bar by overheating it. A good rule is to always fill the chain oil tank (with chain oil) at the same time that you fill the fuel tank (with gas/oil mix)
Make sure the chain is kept SHARP. A blunt chain makes the saw work harder and causes friction which generates heat.
On a regular basis, take the bar off and clean the brake assembly and all the bits and crannies. Compressed air and solvent will make the job easy.
Chain tension should be kept snug but not too tight. I like to be able to lift the chain at the centre of the bar and have the underside just barely clear the groove in the bar.
Lots of bars have a roller at the tip and there is a fitting to inject grease. It's a good idea to use it regularly.
I think that about covers it. If you have any specific questions, send 'em on.
If this is an electric saw as the title says the only oil you put in it is bar oil. This is a thick oil to lubricate the chain and bar. If it is a gas powered saw you will need to mix the gas with 2 cycle oil.
That's for the bar&chain oil. It dribbles onto the chain as the saw runs, lubricating the where the chain slides over the slot in the edge of the bar. Without this oil the chain & bar will overheat pretty quickly, ruining both the bar and the chain.
The ratio is 40:1, provided this is a gasoline homelite chainsaw. Find the suitable amount to put into the gas can at a ratio of 3.2 oz per gallon. The bottles that you buy the oil in have marks on them telling you how much there is, and often times, are sized to dump into a preset amount of gas. Put the oil in the can, then put the gas in the can, cap, and shake. Always shake before dispensing.
I think you are saying you put oil/fuel mix in the oil tank and bar oil in the fuel tank; discovered your mistake drained both tanks and refilled with the correct fluids. Now the saw runs but smokes excessively. I think it will do no lasting harm. After you have run a few tanks of the correct mix (50:1) through the saw. Remove and clean the muffler and spark arrestor, reinstall them. Inspect your plug if any evidence of fouling replace it. I think you will be cutting with this saw for years.
Yes the additional smoke is caused by a very oil rich mixture and should abate with each fresh tank of fuel. If the chain is not moving ensure the chain brake is not engaged.
If you have more questions or need additional help please reply below and I will get back to you. Good Luck. HTH Lou Thank You for using FixYa.
First off, take off the bar and chain, clean up the grooves and the small oiling holes in the bar. Then without the bar on, start the saw, see if oil comes out of the oiling hole, if not, dump the oil out of the saw, put some gas in, rinse out well, spray brake cleaner works well, too. Refill with oil and see if its oiling yet, make sure to check if it has an adjustable oiler, open it up a bit if need be. Use only bar and chain oil, not car oil!
The fuel is a combination of a good two cycle oil and regular gasoline at a 1:50 oil to gas ratio. Pour in half the gas first, add the oil, and put in the rest of the gas. It needs to be well mixed. (Do NOT use just motor oil)
Run a good bar oil, like Stihl bar oil in the oiler tank. Costs a tad more, but clings to the bar better than most.