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pb-46HT back pack blower

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tomplum55
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2018/02/12 15:33:22 (permalink)
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pb-46HT back pack blower

I have a vibration and possible bearing sound at low speeds after gets hot ,18 years old maintain perfectly recently rebuilt carburetor clean fan blades replace isolator rubber ,New blower tubes . Runs great and has great power except for the rumbling/bearing sound
Any suggestions on a cure.

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    AVB
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    Re: pb-46HT back pack blower 2018/02/13 02:57:41 (permalink)
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    Will take some exploratory surgery to find what making the noise on that Echo.
    tomplum55
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    Re: pb-46HT back pack blower 2018/02/18 18:38:12 (permalink)
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    What do I need to disassemble to find and what possible or the most possible reasons why? Is there part of the blower fan that may be causing it or the bearings in the motor.? Just ran a tank and a half a gas out of it runs great just that little rattle at idle.
    AVB
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    Re: pb-46HT back pack blower 2018/02/20 10:48:10 (permalink)
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    That what I mean by exploratory surgery. As you disassembly the blower you look for any possible causes. It can be just anything.
     
    It like having a massive oil leak that looks like an oil seal problem then it turns to be just a fill cap seal. I ran across recently but I have learned to use UV tracer dye.
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