Why is my chainsaw leaking oil?

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    Steve Barnett

    Emptying the oil tank after using is not very practical - for one thing, the fill hole is not really designed for dumping the oil out. 
    2) A primary reason I bought this saw was for convenience - I don't have to spend time with messing with gas/oil mixture, etc. And it is quick and easy to use for small, occasional cutting jobs.  But if I have to drain the bar oil after using and then refill it prior to each use, so much for convenience. 
    I am generally a big fan of Dewalt tools - and I've loved the chainsaw in general, until I discovered it leaking oil all over. So, needless to say, I am disappointed.

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    James Crockett

    I found the reason that mine is leaking oil and it has nothing to do with the tank. I took mine apart after being fed up with the deluge of oil coming from mine as well. On mine, the o-ring on the end of the emitter is too small to create a tight fit into the recess in the housing. Thus, the oil leaks into the housing instead of being fully emitted onto the blade, and then leaks out slowly over time. I'm going to try and retrofit a larger o ring or sleeve it with a piece of tubing for a nice tight fit. That should cure the delayed leak, as the rest of the system is well sealed and doesn't leak. 

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    Robert Hofland

    Steve Barnett and James Crockett are pointing out a major problem that all chainsaw users face, and should be addressed when new saws are being designed.

    But an incorrect o-ring size can be corrected without a design change. Dewalt should check whether this is a one-time manufacturing mistake, or common, and if common immediately correct.

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