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Husqvarna 455 chainsaw, bar oil leak

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KenOverton33
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2019/09/07 21:39:14 (permalink)
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Husqvarna 455 chainsaw, bar oil leak

I have had an ongoing problem with bar oil leaking continuously when it is not running. I swapped out the oil pump feeder tube and failed to get it sealed. I used it for quite some time, then I changed it again, only this time I applied some Cyanoacrylate gel and this time it sealed. It sat for about 2 months and I have a leak again, but this time it is leaking from the bar bolt, and you can push the bolt into the oil tank. My question is does the bar bolt and the bar guide pin have a gasket on the inside of the tank and can I change the gasket and use something to keep the bolt in place. The diagram I found shows a gasket but I am not sure if it is for my saw. What I am calling the bar guide pin, the diagram lists it as another bar bolt. My bar has only one bolt securing it in place, and where other saws have another bolt with a nut, I have a smooth pin that the bar slides on.
 
Thanks in advance
Ken

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    AVB
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    Re: Husqvarna 455 chainsaw, bar oil leak 2019/09/07 22:56:37 (permalink)
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    No gasket, just an interference fit [IE press fit]. There is a recess in\side the oil tank for the square head of the stud.
     
    If too loose then it time for a new case.
    KenOverton33
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    Re: Husqvarna 455 chainsaw, bar oil leak 2019/09/09 21:08:28 (permalink)
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    Sorry, but somehow I put the wrong model number in. It is a 445. Went to a local Husqvarna repair facility here where I live and got the same diagnosis. 
     
    Think I'll give some epoxy a go first. See if I can get it clean enough to stick. Nothing to lose at this point.
     
    Thanks
    Ken
    AVB
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    Re: Husqvarna 455 chainsaw, bar oil leak 2019/09/10 08:04:27 (permalink)
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    The only difference between the two model on how the studs are mounted is that the 445 uses a U channel to prevent the stud's square head from rotating instead of a recess in the crankcase. There is also one stud that is press fit that could have been used depending if the have the 445 or the 445E. But in either case the diagnosis is the same.
     
    Personally I had not much luck with epoxies especially in high stress areas. Usually just works as temporary patch.
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