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Husqvarna 550xp pop up

Discussion in 'Chainsaws' started by WoodsliverDan, Dec 4, 2018.

  1. cus_deluxe

    cus_deluxe ONE OF THE WORST!!

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    Man....how did i miss this thread?
     
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  2. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    You are welcome.
     
  3. Fruecrue

    Fruecrue I got wood

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    Welcome aboard Custer!
     
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  4. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    Got around to making a case splitter tonight.
     

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  5. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    Cont..
     

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  6. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    Ok, last night I got the new bearing in and case back together. If time allows this week I'll get another built for testing.
     

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  7. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    I 86'd the trio brake mount on one of the saws. Need to do all of them now.
     

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  8. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    Can anyone possibly explain to me how to disable the heated carb option on the XPG model? Or link a thread? Thanks.
     
  9. huskihl

    huskihl Sausage Fingers Forever

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    @Onan18
     
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  10. Onan18

    Onan18 OPE Sponsor

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    I know nothing of G models, but I believe that you can just unplug the carb heater.
     
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  11. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    It's a loop, isn't it?
     
  12. Tor R

    Tor R Regular member

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    Have never seen a service bulletin regarding the subject and it will be a little "if".

    Back in time, when Husqvarna introduced heated carburetor, came on 346 XPG or was it 351G? - The heated carburetor circuit was coupled in parallel with the heated handles, just as they've done on most 5xx XPG's.
    There were two generators in the 346/357 era, but, even on the normal XPG without a heated carburettor a generator with a split coupling was used, ie the generator was intended for both systems. This was going on for at least 4 years.
    I have never measured any resistance differences on those 346 versions, true to say, I am 99% sure it is the same generator they used on 346/351/353/357/359 is the same generator they're using on 550/560/562 nowadays.

    So out of what I think, that is IF my theory is correct, it's just to disable the circuit who head to the heathed carburettor elements.
     
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  13. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    Ok, I am not electrically smart. Just unplugging it will suffice? Also, is there a schematic for hooking these up? I just took it apart 2 days ago and couldn't even follow it when I did it..
     
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  14. Tor R

    Tor R Regular member

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    The setup on XPG:

    Grounding -> Generator -> front handle -> switch -> rear handle -> grounding.
    Grounding -> Generator -> top carb heather -> airfilter heather -> grounding.

    As you see, the only heather system you switch on/off is the handle heathers.
    The carburettor heather is working permanent.

    When you disable the carb heater circuit on 550 you dont plugin the wire who head from the carburettor to the front handle switch.
     
  15. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    Ok, thank you for the info
     
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  16. XP_Slinger

    XP_Slinger I like saws...sometimes

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    Simplest thing to do is unplug the carb heater and see if the handle heat still works. Will tell you if they’re wired in series or parallel. Is the plug accessible when the carb is installed? Never had a G model.
     
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  17. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    Good point
     
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  18. WoodsliverDan

    WoodsliverDan Mechanical Beaver Builder

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    I'm still here, had time today before work to put tank and other parts back on saw. Just need to put recoil on, muffler, brake flag, clutch, etc.. this saw is stock with fresh ring, that I will use for baseline cuts.
     

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