Keystoker 90
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- Member
- Posts: 320
- Joined: Sun. Nov. 06, 2011 9:12 pm
- Location: Wellsville NY
- Stoker Coal Boiler: EFM 700
- Hot Air Coal Stoker Stove: Liesure Line
- Coal Size/Type: Rice
I got a keystoker 90 stove cleaned it all up. Installed it and started it up. I got to think something is not right. Running full air and feed it does not seem to get hot enough. The house it is in is under 1000ft it cant even make 68 inside. You can put your hand on the pipe and the top of stove. I have not set the baro but the thing has not shut off yet. There is no way its making 90k BTU
- nepacoal
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- Joined: Wed. Nov. 21, 2012 7:49 am
- Location: Coal Country
- Stoker Coal Boiler: Keystoker KAA-4 / "Kelly" and an EFM 520 at my in-laws
- Hand Fed Coal Boiler: Harman SF-260 - retired
- Coal Size/Type: Buck
Did you clean the fines out from under the grates? Clean the fan blades on the combustion fan? You should only have about 1.5 inches of ash at the bottom of the grates .. A picture of your fire would help with the diagnosis.
- nepacoal
- Member
- Posts: 1696
- Joined: Wed. Nov. 21, 2012 7:49 am
- Location: Coal Country
- Stoker Coal Boiler: Keystoker KAA-4 / "Kelly" and an EFM 520 at my in-laws
- Hand Fed Coal Boiler: Harman SF-260 - retired
- Coal Size/Type: Buck
My baro will open up about halfway or 45 degrees during a long burn with no wind outside... It all depends on your chimney's draft. Where do you have the weight set. I'd start with the weight set at 4.5 to 5 and then fine tune it once a manometer is available.
- nepacoal
- Member
- Posts: 1696
- Joined: Wed. Nov. 21, 2012 7:49 am
- Location: Coal Country
- Stoker Coal Boiler: Keystoker KAA-4 / "Kelly" and an EFM 520 at my in-laws
- Hand Fed Coal Boiler: Harman SF-260 - retired
- Coal Size/Type: Buck
And BTW, the draft on a stoker is taken over the fire, not in the stovepipe. On the 90k, I believe there is a removable set screw in the ash door to use as a port to check draft. I don't have the 90k manual in front of me but typically you want between -.02 and -.03 over fire draft (while fan is running during a long run). The stovepipe draft really doesn't matter if your over fire is set correctly, unless you're using a direct vent system.
- nepacoal
- Member
- Posts: 1696
- Joined: Wed. Nov. 21, 2012 7:49 am
- Location: Coal Country
- Stoker Coal Boiler: Keystoker KAA-4 / "Kelly" and an EFM 520 at my in-laws
- Hand Fed Coal Boiler: Harman SF-260 - retired
- Coal Size/Type: Buck
A picture or short video of your fire would help. The flames should be touching the top of the stove and there should be fire down to within 1 to 1.5 inches of the end of the grate during a long run.
- WNY
- Member
- Posts: 6307
- Joined: Mon. Nov. 14, 2005 8:40 am
- Location: Cuba, NY
- Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
- Coal Size/Type: Rice
- Contact:
are you getting a full grate of fire (about 1-1.5" of ash) when demand is calling for heat? Do you have a thermostat hooked up or coaltrol?
is your adjustment screw all the way in and backed out about 3-4 turns?
Unless it burned back too far on the grate (air leak in grate or too much draft) and melted the Nylon Cam Bearing therefore, not feeding correctly.
I maintain a .04 with my direct vent.
is your adjustment screw all the way in and backed out about 3-4 turns?
Unless it burned back too far on the grate (air leak in grate or too much draft) and melted the Nylon Cam Bearing therefore, not feeding correctly.
I maintain a .04 with my direct vent.
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- Member
- Posts: 320
- Joined: Sun. Nov. 06, 2011 9:12 pm
- Location: Wellsville NY
- Stoker Coal Boiler: EFM 700
- Hot Air Coal Stoker Stove: Liesure Line
- Coal Size/Type: Rice
well so far I have the screw for the pusher turned all the way in it is taking about a 5/8" push. I adjusted the baro to the max setting. It is making more heat now. Still not as much as I think it is capable of though. I will post a pic of fire.
- nepacoal
- Member
- Posts: 1696
- Joined: Wed. Nov. 21, 2012 7:49 am
- Location: Coal Country
- Stoker Coal Boiler: Keystoker KAA-4 / "Kelly" and an EFM 520 at my in-laws
- Hand Fed Coal Boiler: Harman SF-260 - retired
- Coal Size/Type: Buck
The fire should be within 1.5 inches of the end of the grate during a long heat call with the last 1.5 inches being ash. You'll have a lot more heat once we figure this out...
If your pusher block is moving freely, you might need a new stoker motor. I would expect you to be pushing hot coals off the end with it 3 turns out. Just to make sure, you have the adjustment screw turned clockwise all the way in, right?
Here's a quick shot of my keystoker near full burn. It's a bad angle because my door is on the side but it shows a good fire...
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- WNY
- Member
- Posts: 6307
- Joined: Mon. Nov. 14, 2005 8:40 am
- Location: Cuba, NY
- Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
- Coal Size/Type: Rice
- Contact:
do you have a thermostat or coaltrol hooked up to demand more heat ? otherwise it may just run off the Idle Timer. if nothing else is hooked up. you have to turn up the thermostat above the room temp to create the demand for heat and the stoker should run constantly until it's satisfied and then it will go back to the idle timer. Mine (relay box) clicks when the thermostat is turned up and makes the stoker feed constantly.
Draft won't affect how much it's burning, that the feed and demand. what do you mean be MAX setting on the baro? You need to check the draft with a gauge on the stove. otherwise your are just guessing.
maybe the nylon pusher wheel might be melted if it back burned? and not pushing a large amount of coal.
Draft won't affect how much it's burning, that the feed and demand. what do you mean be MAX setting on the baro? You need to check the draft with a gauge on the stove. otherwise your are just guessing.
maybe the nylon pusher wheel might be melted if it back burned? and not pushing a large amount of coal.
- nepacoal
- Member
- Posts: 1696
- Joined: Wed. Nov. 21, 2012 7:49 am
- Location: Coal Country
- Stoker Coal Boiler: Keystoker KAA-4 / "Kelly" and an EFM 520 at my in-laws
- Hand Fed Coal Boiler: Harman SF-260 - retired
- Coal Size/Type: Buck
It should be pushing hot coals off the end when screwed all the way in... Did you use furnace cement to seal up your grates when you reinstalled them? If so, did you smooth down the cement? That fire looks a little wonky like the grates are rough and impeding the flow and possibly have a little air leaking on that upper right side.