Re: I do not think oil is getting to the bar. where
It's different on different brands of saws. The location should be close to the drive clutch on the motor. If the oil tank is remaining full of oil during use the problem may be a clog at the bottom of oil tank where the oil goes to the pump. It's usually sawdust from not cleaning the cap area when oil is added.
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Is bar oil getting on the chain? Depending on the model, their maybe an adjustment on the oil pump to control the flow, check the owners manual. Also make sure you are using bar and chain oil as regular motor oil is much lighter and tends to get "flung" off more.
Release the chain brake, then remove the bar and chain. Clean the area where the bar fits to on the engine. Start the engine to see if the oil oozes out of the small port. If nothing, then the oil pump, oil line, or tank filter will require service. If oil does come out, then clean the small oil passages in the drive end of the bar that run from the large holes out to the chain groove on each edge. Re-assemble the bar and chain--adjust the chain so that it just comes up to the lower bar edge, but you can still turn it by hand. Make sure the chain teeth cut toward you on the lower run of chain. Run the bar tip at speed near some cardboard--it should throw off a thin line of oil after several moments. Hope this helps!
There are two holes in the end of the Bar, the oil comes though them from behind the bar and goes into the channel (oil passages) that goes around the bar, clean the small oil passages in the drive end of the bar that run
out to the chain groove on each edge from the large holes.
My chain saw is doing the same thing. I have only used it about 5 hours since owning it, and it worked great last time I used it (year ago). I think maybe my pump is not working. Did you ever get your's working ? I was told to take the bar off and Start the engine and observe whether oil oozes out of the side port. If no oil
comes out, then the oil pump, oil line, or oil tank filter may require
If you take the bar off, and then run the saw, does oil come out of the saw? If it does, then the oil pump is likely working O.K.
If the oil comes out of the saw and does not make it onto the chain, it is possible that the oil exit slot on the saw, and the hole on the bar are not lining up properly. This happened on my Husqvarna 141 saw. The oil was coming out of the saw fine, but it never made it to the bar and chain. As a consequence the chain was always dry and very, very hot.
The other saws we use, always have plenty of oil on the chain. I think Husqvarna may have made a design flaw on some of their saws, and the exit point of the saw and the entry to the bar are not properly aligned. I wonder how many saws this affects.
The first thing to check is to see if the oiling hole in the bar is clear of sawdust a debris. Remove the chain and bar completely and make sure the holes are clear. While the chain and bar is off you can CAREFULLY run the saw to see if oil is coming out if the pump. In some cases you need to remove the tin shield that is behind the bar and clean out the oil passages in there.
this could be caused by a bad diaphram in the oil pump but it is probably happening because the oil ports in the bar are plugged with sawdust. Take the bar off and clean out the oil ports and with the bar off run the saw and see if oil is coming out of the hole that matches up to the port in the bar. If not then you will have to replace the oil pump. Hope this helps you.