help replacing plates on jotul 507

Re: help replacing plates on jotul 507

PostBy: PC 12-47E On: Thu Mar 29, 2012 8:16 pm

alpineboard wrote:Hi PC12 and all 507 repair folk, I have burned a couple of 507s for a few years now and could talk for hours on how great they are. I recently picked up a third 507 on the cheap, from craigs, I was lucky, again. My question is, has anyone replaced ALL the firebrick, from the bottom to the top? This stove has seen some heat, the upper inner casts are trash, and the lower firebrick(molded) has some considerable bubbles, although maybe its ok , so just put some brick in the top as done by others. I would like to do this once and correctly, so I thought I would ask? Probably use a disc grinder/ chisel/hammer to get the lowers out, if needed. I will post pics, to see what you all think, as I process this decision. Thank you for any future information. Robert



Did that Jotul 507 come from C/L Southern Maine?

I think you could recast over what is left of the lower firebrick if you clean them up well..... :idea:
I used a 4" Makita grinder with a diamond blade. It will cut firebrick like butter.
Good luck with the Jotul...They make a great anthracite stove !!!!

Eddie
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PC 12-47E
 
Hand Fed Coal Stove: Estate Heatrola, Jotul 507

Re: help replacing plates on jotul 507

PostBy: alpineboard On: Thu Mar 29, 2012 9:35 pm

Hi Eddie, yes cl s maine, I had not checked cl in a month and bang I was there within 14 hrs. in my subaru! The cicular grate has 2 cracks but still there. When you say recast, that means clean until fresh meat with a disc grinder , wet a little, and flash with a margin trowel using furnace cement, working in for good grip and a substantial layer, say 1/4". If too thin it will bubble. and let it dry a long time, 2 weeks before a lighting. it seems like a big/tricky job to do the lowers, but I do have a big wet saw, miter cuts, ect. and do stone work often. thanks, Robert ps, I found a site , Lynnmfg.com almost in our backyard, possible wet pack blanket the whole thing, just another take on it.
alpineboard
 
Stove/Furnace Make: jotul
Stove/Furnace Model: 507

Re: help replacing plates on jotul 507

PostBy: alpineboard On: Mon Aug 20, 2012 8:10 pm

This piece has seen some heat, the bottom refractory bricks were pretty bad, I removed them, but the rest of the stove was fine, though the round grate had been replaced, I stuck a 9" o.d. that is 13" long quikcrete sonotube in and poured castable refractory all the way up, that equals 24 pounds instead of the 14 pounds of coal, did not use that middle door anyway. I will post pics when it dries. R
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alpineboard
 
Stove/Furnace Make: jotul
Stove/Furnace Model: 507

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Re: help replacing plates on jotul 507

PostBy: SteveZee On: Wed Aug 22, 2012 2:36 pm

Alpine, You could have those parts recast/remade at a foundry like Tomahawk, in Wis. or Auburn Stove foundry, in Maine. They do sand castings of original parts usually for antique stoves. They can "copy" anything you send them but it is a copy of whatever you send including any flaws. That said, you would need to clean it up or use some bondo or whatever substance to correct whatever is wrong and get it to the shape that you want back. I actually used a wood copy of a dump fork shaker I needed for a circular grate. Came out well, errr...Great! ;)
SteveZee
 
Hand Fed Coal Stove: Glenwood Modern Oak 116 & Glenwood 208 C Range

Re: help replacing plates on jotul 507

PostBy: alpineboard On: Sun Oct 07, 2012 1:37 pm

Thanks SteveZ, I will look up the Maine foundry, I just got another jotul nr500 from CL in Vt, and test fired it right out of the trunk when I got home. Also,pics of the sauna tube refractory cast method and refractory brick method, I did not go all the way up w/brick. Both work great, Recipe for refractory is 1 part furnace cement, 1 part masons sand, 2 parts perlite (horticulture glass infused beads @ home depot), 1 part water. Mix w/margin trowel, gotta move fast. Pack it as you fill it, My volume calculations were off, a bit(shy) due to the perlite loosing it volume when moistened, add 33% in your volume #. Let it dry a long time 2 to 3 weeks, and it gets hard as a rock. and takes the heat, crack free. I also flashed the burn chamber w/ furnace cement after the cure, bondo spreader really works great for this.
On another topic, has anyone had any good results w/welding grates that have cracked(cast iron), that have not been heated too much after the crack, still all there. My take on this would be to use a die grinder and cut yourself an angle in the crack and weld. Using a cast iron welding rod. I repaired cast iron bolt cutters in trade school and it has held up fine. ??? thank you r

found it; broken shaker grate - welding help
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alpineboard
 
Stove/Furnace Make: jotul
Stove/Furnace Model: 507

Re: help replacing plates on jotul 507

PostBy: carlherrnstein On: Mon Oct 08, 2012 8:04 am

I have welded several cast iron peices back together. I use a TIG welder and monel fill rod you have to grind it all the way out so the weld joint is a open butt type weld.
carlherrnstein
 
Hot Air Coal Stoker Stove: combustioneer model 77B
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Re: help replacing plates on jotul 507

PostBy: alpineboard On: Sat Nov 03, 2012 9:13 am

I get the 507 going w/nut, then top it off with stove coal, nice heat from sides, as I thought it may be less heat as I climbed high with the refractory, it is not an issue.
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alpineboard
 
Stove/Furnace Make: jotul
Stove/Furnace Model: 507

Re: help replacing plates on jotul 507

PostBy: coalnewbie On: Sat Nov 03, 2012 9:27 am

the snowman seemed to think that replacing the plates diminished the heat output. He seems to have run a controlled study as he had two stoves. He also coated that offending iron insert with refractory cement to protect it from xs heat. 1" deep. Cure slowly. He even coated the little iron lugs to protect them too. when you live in Tughill NY I guess you need to pump out the heat. I just think the Norwegians designed a great coalburner but had no idea of the incredible heat output from NEPA anthracite. So I get the impression if you wish to turn this stove into a nuclear reactor a little tweaking is needed.

BTW alpine I am noticing the same thing and have already learned to top off with stove. It' seems to burn nicely and lasts the night better with the input air really choked down.
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Re: help replacing plates on jotul 507

PostBy: alpineboard On: Sun Nov 04, 2012 9:34 am

Thanks For the monel weld tip CarlH,
Yes Chester, that extra to the top helps in the morning.
That is also a good idea, to fill the steel casts w/refractory, provided they are there to fill.
I had one with a large hole in it,(2" x 3") just filled it with furnace cement, it is fine.
I have seen a few 507 on CL the past week and the add is taken down within a day.
That NR500 I got on CL, the seller said there were 9 more people interested.
There is another clean nr500 in Hero, I do not know about the grates. I have to stop collecting these things.
The nr500 holds 10 pounds of coal and might be good for a small room, Bedroom? good luck.
alpineboard
 
Stove/Furnace Make: jotul
Stove/Furnace Model: 507

Re: help replacing plates on jotul 507

PostBy: alpineboard On: Mon Nov 05, 2012 10:32 pm

Top Plate temperature at 600F, the grates are cool because the heat is well above. I notice the stove coal is is fun to burn but trickier to shake.
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Stove/Furnace Make: jotul
Stove/Furnace Model: 507

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