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Diesel furnace

Discussion in 'Carver Yacht' started by hopper5, Feb 3, 2013.

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  1. hopper5, Feb 3, 2013
    #1
    hopper5

    hopper5 Member

    Joined:
    Oct 23, 2012
    Messages:
    102
    Location:
    Olympia,wa
    Easy question : How much should a diesel furnace smoke when first starting ?? When I use mine on my 1994 440 it bellows quite a bit of black smoke for about 45 seconds then is clean.........NORMAL ?? I recently replace filters .....Thanks
  2. RT46, Feb 3, 2013
    #2
    RT46

    RT46 Senior Member

    Joined:
    Feb 22, 2011
    Messages:
    1,058
    Location:
    Long Island, NY
    I think that 45 seconds of black smoke on start up of a diesel furnace is too much.

    I would change filter, nozzle, clean burner, inspect flu, and adjust air intake as appropriate.

    I puff of smoke when they first light off is ok,

    call the customer service to confirm.
  3. CR CRUISER, Feb 4, 2013
    #3
    CR CRUISER

    CR CRUISER Member

    Joined:
    Dec 18, 2009
    Messages:
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    Location:
    Campbell River, BC
    If it's an Espar, then it probably needs a new combustion screen. It's a very fine mesh tubular screen around the glow plug. The symptoms are smoke at start-up and reduced heat output.