Froling S3/FHG Cleaning

Marshy Posted By Marshy, Dec 9, 2018 at 11:34 AM

  1. Marshy

    Marshy
    Minister of Fire 2.
    NULL
    

    Dec 29, 2016
    812
    245
    Loc:
    NY
    Guys, I just did a complete cleaning of my FHG before peak season arrives. My boiler had 430 heating hours on it.

    I swept the chimney even though it didnt look like it needed it (only got a cup of ash, no creosote at all).

    I took out the tubulators and brushed the tubes.

    I brushed and cleaned around the combustion chamber and removed the ash under the tubulators.

    I pulled some side pannels in the firebox and checked the primary air intake it clean.

    I cleaned the firebox floor, pulled the cast iron grates and cleaned the ash from the secondary air inlet.

    The question I have is, what's the easiest way to clean the area under the cast iron?
    There is a small bolt head above the secondary air inlet and it was painful to clean with a small flat piece of wood. What advice do you Froling owners have for cleaning this area? Old paint brush maybe?
    20181208_215642.jpg

    Yes, I covered the firebox floor with ash before I fired the boiler. I used all the ash from under the tubulators and spread it on the firebox floor. I typically maintain a 1" solid base of ash on the firebox floor, never scrape it clean. For a while I was scooping out the combustor daily but re-read the maintenance instructions and began leaving a layer of ash in the combustor also.
     
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  2. TCaldwell

    TCaldwell
    Minister of Fire 2.
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    Oct 26, 2007
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    Loc:
    860-868-9014 h 203 948 0864 c nw corner ct.
    judging from the color sure looks like hot and clean burns!
     
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  3. Beagle Dad

    Beagle Dad
    Member 2.
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    Sep 17, 2014
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    Loc:
    Ottawa Ontario
    I clean the area below the below the cast iron twice a year using a shop vac. The only dirt is the ash that falls down from cleaning the bulk to the ashes out of the boiler.
     
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  4. huffdawg

    huffdawg
    Minister of Fire 2.
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    Oct 3, 2009
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    Loc:
    British Columbia Canada
    I clean my fire tubes every 2 weeks ,it seems to make quite a difference on the flue temps . I also vacuum out the ashes from the ash access and in beside the refractory sides.
     
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  5. goosegunner

    goosegunner
    Minister of Fire 2.
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    Oct 15, 2009
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    The manual I got with my Froling said not to use a vacuum on the refractory. Apparently it can cause wear.
     
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  6. Marshy

    Marshy
    Minister of Fire 2.
    NULL
    

    Dec 29, 2016
    812
    245
    Loc:
    NY
    I have been brushing my fire tubes every 4 weeks as well as cleaning below them and brushing the narrow area around the lower refractory that leads back to the fire tubes. I scoop out the cylinder refractory every week but leave a heavy layer of ash in it so the flame isnt impinging directly on it. The floor of the firebox is also completely covered with 1-2" of ash. I use my poker to keep the space below the plates on the inside of the firebox clear of ash.
     
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