2000 northstar problem

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THX1138

2000 northstar problem

#1

Post by THX1138 »

I had a bizarre problem happen with a 2000 Northstar. The mantle tube simply fell out of the plenum. Looking at how it is assembled shows no simple fix as the plenum is capped after the tube is flared is how it appears to me. Any ideas on on this, and has someone else experienced this? I plan on calling Coleman to see if they will offer a replacement burner assembly. Would JB Weld stand up to the heat if used? Another idea I had was to file two notches in the bottom plenum plate and form two male protrusions on the mantle tube. Insert and twist.
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mcdugal2
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2000 northstar problem

#2

Post by mcdugal2 »

Silver brazing would be the best bet...
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mcdugal2
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2000 northstar problem

#3

Post by mcdugal2 »

What Model Number is it?
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The Coleman Blue's 243's. #035
"I'm a man, but I can Change, if I have to, I guess." - Red Green
THX1138

2000 northstar problem

#4

Post by THX1138 »

2000-750. DOB Jan 96. I have owned since it was new but only used two or three times.
THX1138

2000 northstar problem

#5

Post by THX1138 »

Spoke to Coleman today (30 minutes on hold, but worth it) and they are sending an entire burner assembly free of charge. I would still like to figure out a way to repair the original.
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campinut
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2000 northstar problem

#6

Post by campinut »

Same happened to one of mine. I ordered a new one for it from "Coleman" They become loose and wind up working the pressed part apart from the burner tube and are non-repairable unless you have a torch....campinut...
Like a moth at night, I am attracted to the light!..7/7/1964...Russ, from Missouri..
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mcdugal2
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2000 northstar problem

#7

Post by mcdugal2 »

Yeah if you want to learn how to Silver Braze..
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"I'm a man, but I can Change, if I have to, I guess." - Red Green
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Chucker
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2000 northstar problem

#8

Post by Chucker »

How about zapping it with a wire feed MIG welder? Low amperage? One would just have to use a dremel type tool to clean it up. Yes?
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Kero_scene
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2000 northstar problem

#9

Post by Kero_scene »

I hope it’s ok to revive a very old topic. I’m planning to fix my Northstar which has the problem described above, but have read that some people silver braze with a propane or map torch (no oxygen). Does this mean that silver braze won’t hold up to the heat when the lamp is running?
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Chucker
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2000 northstar problem

#10

Post by Chucker »

Some silver braze will hold up to very high temps.

If you use 45% silver braze solder it should hold up to 1200deg. F. I try to find braze solder north of 50% silver. Be sure to use high temp new flux/paste.
Chuck
"...Good people pass away; the godly often die before their time. But no one seems to care or wonder why. No one seems to understand that God is protecting them from the evil days to come." Isaiah 57:1-2

Eye-SEE-C-C Member #1333 -- MilSpecOps #003
"Michigan - from the Ojibwa word “meicigama,” meaning “great water.”
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74HARLEY
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2000 northstar problem

#11

Post by 74HARLEY »

Heck all you need is a torch and a coat hanger!
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Kero_scene
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2000 northstar problem

#12

Post by Kero_scene »

Chuck - thanks for your response.



Joe - I’ve asked a professional to do the job, so he may not need to resort to a coat hanger!
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74HARLEY
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2000 northstar problem

#13

Post by 74HARLEY »

The coat hanger reference is because they're the perfect mild steel for gas welding... A very old and simple process... Almost a dying art these days!
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2000 northstar problem

#14

Post by Kero_scene »

Thanks Joe,



I thought that was what you meant - I definitely don’t have the skills, hence why i’ve Found someone who does to do it.



I may not get it back for a few weeks, but will try to post a photo after that.



Lots of people like the Northstar, hopefully i’ll be one of them soon!
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74HARLEY
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2000 northstar problem

#15

Post by 74HARLEY »

You will love it! I like the one I have and it is profane...
Joe
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MiguelHerbert
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Re: 2000 northstar problem

#16

Post by MiguelHerbert »

I just found this post, and have had a similar issue with my NorthStar 2000 lantern. After a couple of break in sessions, where the lantern worked great, I drained the fuel and put it aside in a carry case for a few months. I tried to fire it up three days ago, and experienced EXCESSIVE smoke and flare up. The mantle would only show signs of lighting up at the very top, a glow just below the burner cap. I tried to wait it out, but the the flame-up just kept going, and the lantern started (literally) HOWLING--I shut it down--and almost grabbed the fire extinguisher.
So, after the fire burned out, and a good cool down, I examined the burner tube, and it SPUN in the mixing chamber.
Today I took another look at the burner assembly, covered the intake port at the bottom, and the burner cap screen with duct tape. I gave it the old blow test into the open port where the generator slides in and heard air escaping. Sprayed leak detector on where the burner tube fits into the mixing chamber and atop the mixing chamber at the ball nut screw. BINGO--bubble up time.
Any comments?
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Re: 2000 northstar problem

#17

Post by zoomkat »

"Any comments?"

Sounds more like bug nest or spider webs in the burner and air assemblies.
rlandrigan
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Re: 2000 northstar problem

#18

Post by rlandrigan »

I'm having similar issues - new lantern, big, BIG fireballs on lighting, the mantle never gets fully illuminated. Could it just be a bad generator? Varied pressure, fuel, and mantels, no real change.
zoomkat
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Re: 2000 northstar problem

#19

Post by zoomkat »

"I'm having similar issues - new lantern, big, BIG fireballs on lighting, the mantle never gets fully illuminated. Could it just be a bad generator? Varied pressure, fuel, and mantels, no real change."

How are you starting it up? For the latest lanterns with the plastic fuel pickup tubes, they need to have the fuel valve placed full open to start, not part way open.
rlandrigan
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Re: 2000 northstar problem

#20

Post by rlandrigan »

zoomkat wrote: Wed Nov 18, 2020 10:56 pm How are you starting it up? For the latest lanterns with the plastic fuel pickup tubes, they need to have the fuel valve placed full open to start, not part way open.
I'll give that a shot, thanks!
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Re: 2000 northstar problem

#21

Post by rlandrigan »

No change, going to replace the generator and see if that is the culprit.
zoomkat
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Re: 2000 northstar problem

#22

Post by zoomkat »

"No change, going to replace the generator and see if that is the culprit."

Something to do, but probably will not fix your issue. Fireballs are probably due to flooding or blockage in the air mixing plenum or intake/burner tubes. It might be helpful if you start a new discussion of your issues in this section. You have mixed your lantern issues with those of others from the past. Makes for confused reading sorting out and separating issues and symptoms.
MiguelHerbert
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Re: 2000 northstar problem

#23

Post by MiguelHerbert »

Does anyone know if the burner tube SPINNING in the mixing chamber of a Northstar 2000 is "normal?" It spins--does not fall out, like another member has had happen.

I'm thinking the loose burner tube connection at the mixing chamber is causing a leakage of air-fuel mix. Resulting in big time smoking, crappy combustion, and only partial ignition of the mantle?
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