Questions about a Harman SF 150

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Ericnelson
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Joined: Thu. Sep. 27, 2018 9:28 pm

Post by Ericnelson » Wed. Oct. 17, 2018 2:41 pm

Hi, I bought a house recently with a Harman SF 150 (stove was built in 1981). It's in pretty decent shape, not too much rust and pretty new grates. I got fire bricks (9"x4.5"x1.25") to put in my stove, but there are tabs along the bottom of where the side bricks go that are preventing me from installing bricks on either side. They seem to be either warped from heat or bent outward so the bricks won't slide in. I searched the interwebs and have yet to see this model with those tabs. I called Harman's customer service and they said they only have one exterior picture of the SF 150 and that's all they could tell me. I'm hoping someone out there knows if a previous owner added them or if the stove came with them. The welds dont look like something that Company would let me their plant and having seen similar models without the tabs leads me to think someone added them. I did accidently break one of the tabs off heating it up and attempting to bend it. I put a brick in that spot and it doesn't seem like it would fall out. Any help would be appreciated since I have 2.5 tons of nut coal getting dropped of this Tuesday.

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nepacoal
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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

Post by nepacoal » Wed. Oct. 17, 2018 2:47 pm

You can trim a little off the firebrick using a high speed grinder with a 4" diamond blade for a custom fit. On my Harmon sf-260, I would dampen the back of the brick and the inside of the stove and cement them in using Rutland, Hercules, or some other type of stove cement. Cementing them in all but eliminated ash building up behind them and pushing them outward

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