Coal Burns Too High on Grate

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imshearer
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Posts: 21
Joined: Fri. Nov. 28, 2008 10:22 am
Stove/Furnace Make: Leisure Line
Stove/Furnace Model: Pioneer Back Vent
Location: Millinocket, ME

Post Thu. Nov. 19, 2009 8:24 pm

I just fired up my Pioneer BV about a week ago and ever since it started the fire seems to be too high up on the burn grate. When it picks up in the morning after the evening setback, it burns frighteningly close to the hopper. There is a good 5-6 inches of ash on the the grate below the fire. Is there any way to force the fire down lower?

Thanks.
Ian

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tsb
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Stoker Coal Boiler: Binford 2000
Hot Air Coal Stoker Stove: LL Pioneer top vent
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Baseburners & Antiques: Grander Golden Oak , Glenwood # 6
Coal Size/Type: All of them
Location: Douglassville, Pa

Post Thu. Nov. 19, 2009 8:30 pm

This was covered in another thread, but post a picture.
That way, members can see the location of the fire.
It may be that your grate is not seated tight up against
the combustion box end, or the gasket is out of place.

Tom

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Freddy
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Stoker Coal Boiler: Axeman Anderson 130 (pea)
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Location: Orrington, Maine

Post Thu. Nov. 19, 2009 10:01 pm

Or you have poor draft.


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Matthaus
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Stoker Coal Boiler: Leisure Line WL110 Dual Fuel, natural gas
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Coal Size/Type: Rice and Buckwheat Anthracite
Location: Wilkes Barre, PA

Post Thu. Nov. 19, 2009 10:51 pm

I would recommend shutting the stove down and verifying that the grate is seated properly and has the gasket in place at the back with no air gaps. Sounds to me like you have an air leak at that location. Of course without seeing the fire a diagnosis is harder to do accurately.

As Freddy suggested draft can also affect fire location, check your hopper lid, if it is sweating on the inside and the coal is wet even though it went in dry you have low draft and need to check your chimney and pipe/barometric damper.

Of course all the standard warnings apply: Make sure you have at least two working CO detectors in the house, make sure the stove is installed per the manual, and last but not least make sure your barometric damper is adjusted so that the weight location matches orientation (left side for horizontal and right side for vertical) and make sure the weight is lined up with the .04" WC line on the scale.

Keep us posted and of course as has been suggested, pictures are the best, a few good ones of your installation would be very helpful. :D

imshearer
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Posts: 21
Joined: Fri. Nov. 28, 2008 10:22 am
Stove/Furnace Make: Leisure Line
Stove/Furnace Model: Pioneer Back Vent
Location: Millinocket, ME

Post Fri. Nov. 20, 2009 6:17 pm

I've been checking the hopper lid regularly but there is no moisture. The damper is also set at .04 and is swinging slightly open. This is my second season and the stove has not been moved in any way so I would be surprised if the feed gasket had become loose. I'm attaching a photo. Thanks for all the suggestions.

Ian
Millinocket, Maine
Attachments
Stove.jpg

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jpen1
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Stoker Coal Boiler: LL110
Coal Size/Type: Rice/ Buck
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Stove/Furnace Model: 110 Boiler
Location: Bloomsburg, PA

Post Fri. Nov. 20, 2009 7:01 pm

By the looks of your photo the position of the fir in relationship to the back end of the grate looks fine. THe top edge of the fire should be relatively even with the upper set of holes in the grate.


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spc
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Post Fri. Nov. 20, 2009 7:07 pm

Yep, looks like the burn on my LL top vent, seems normal.

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gambler
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Post Fri. Nov. 20, 2009 8:27 pm

Looks fine to me also!!!
Nothing to worry about. Enjoy the heat.
Have you actually checked your draft with a manometer? With the damper set on "4" I think your draft might be a touch on the high side.

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Flyer5
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Post Fri. Nov. 20, 2009 9:39 pm

Looks about right for such a slow burn rate .

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WNY
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Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
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Post Sun. Nov. 22, 2009 4:56 pm

On Idle, it will burn pretty far back, almost touching the back of the stove. My hyfire burns about the same position....on idle.

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