I have an older Echo Kioritz 302S chain saw. My son twisted the back bolt off that holds the cain bar in place. Questions; Is it repairable and if so where would I find the part? Is it something I can do at home? I have searched the internet with no luck for repair manuals and or parts. Thank you for your time spent to help me.
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I don't quite understand the question but, If you are trying to remove the bar on your saw, First it should have come with a tool that looks like a screw driver on one end and, a wrench on the other end. Now!! turn the saw on its side with the Two Bolts facing you. You use the tool to loosen the bolts , just loosen !! next use the screwdriver end to turn the little screw inside the small hole just down from the bolts OK? Turn the screw , which loosen's the chain. Now take the bolts off and put them somewhere SAFE so you can find them when ready to put back on. Pull the plastic cover off , chain off, NOW YOU CAN REMOVE the BAR . I hope this is what you need.
Under the protective cover of the bar and chain on the motor are the nuts / bolts and chain tension adjustment screws.
Depending on model (you didn't include yours so generic instructions follow); removing the nuts / bolts that hold the cover in place will allow the bar and chain to be removed - or to adjust the chain tension on the bar with a long screw for that purpose. Once the tension is set with the adjustment screw it is locked into place when the cover is re-secured with the nuts / bolts.
If you need more specific help - please provide your make and model chainsaw.
Not being facetious here... change the spark plug as a first step. They require regular replacement. If that doesn't work, use a multimeter to check that the spark plug wire is actually releasing electrical pulses. If it isn't, you'll need to keep moving further up the line to the coil.
Im going to assume that this echo saw is the same as most saws.
Open your fuel tank and remove the cap completely.
Empty the fuel from the tank, and try to swirl around the fuel to get the last bit out and any dirt that might be in the tank.
Compressed air can be used to blow the tank out or flush the tank with some more fresh fuel. This is important to help your new fuel filter last longer and also the reason why the filter would need replacing.
Using a length of wire, coat hanger or smaller, make a small hook on the end, small enough to get into the fuel tank, big enough to fit around the fuel line. Place the hook in the fuel tank and fish out the fuel line and the gently remove the filter from the tank, its on the end of the fuel line.
Pull the old filter off and push the new filter on,
Place back in the tank,
Fit the fuel cap chain and fuel cap.
Hope this helps
all chain saws have a sprocket that the chain runs on this sprocket is what make the chain rotate on the bar. the bar is the long part that sticks out in front of the motor. you must remove the side cover of the saw to access the sprocket region of the saw. be sure the saw is unplugged and then remove side cover the bar is usually held in place by a couple of bolts. on gas saws these two bolts also hold the side cover in place and must be removed to replace the bar and chain. once you have removed the side cover look for bolts holding the bar in place. if you only want to change the chain then you may be able to only loosen the bolts or screws holding the bar in place.there should be a screw to adjust the bar forwards and backwards. this screw put tension on the chain so when you put a new chain on turning the screw will proberly tension the chain /do not overtighten the chain.
also be sure you put the new chain and blade on the same as the old one that comes off trying to cut with a chain that is on backward does not work. last note if you are replacing the blade because the old one is dull take the saw to a saw shop they can sharpen the exsisting chain and save you money.