200A and 202 reproduction
frames back
in stock.
ecblanks
I've got this 288 that is my go to for night fishing, since I can dim it after I'm done cutting bait.
Used to light fine then last year I started getting a big blue fireball at lightup: too much fuel.
Made the assumption that it was the fuel tube/schrader which I got from Mike and installed yesterday.  Still same thing.
I thought maybe too much pressure since it was pushing this blue flame ball down almost to the frame rest.  Tried it with 15 pumps and not as big but still not right.
After it heats it settles down and runs nicely. Dimmer control works fine.
Any ideas?
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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JeepJeepster
Try preheating the generator with a small torch and see if it flares up. It sure sounds like something is amiss with the fuel pickup. 

Did you check to make sure the spring was on the correct side of the metal rod in the fuel pickup tube?

Did you old one seem to easily go into and out of the orifice in the bottom of the fuel pickup? 
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ecblanks
The 288 doesn't have the spring/rod assembly.  It uses a schrader valve.  
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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mgmlvks
I have a 288 that tends to go "fireball" on start-up as well.  I think if you don't get a lit match in the globe before you first open the valve - it builds up fuel in the pancake and "Whoooof" for all starts after that!
Mike, ICCC member #1156, Slant Saver Group #011, 275 Appreciation Syndicate #0215
"In order for the light to shine so brightly, the darkness must be present"
Francis Bacon
(and - for those who have asked - avatar from postcard and says "Coming Home by Rail".  https://c1.staticflickr.com/5/4595/27430282209_39a564be00_z.jpg
 
 
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ecblanks
This is a persistent blue ball that stays until the generator is preheated.  I'm going through the generator right now, only think is pricker is a little crooked (but functional), so I will replace if I have one.  If I'm still getting it tonight I'll take a video.
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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ecblanks
Oh and what is the "pancake"? The mixing chamber?
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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mgmlvks
ecblanks wrote:
Oh and what is the "pancake"? The mixing chamber?


Ooops - yes!

Part #1

288 pancake.jpg 
Mike, ICCC member #1156, Slant Saver Group #011, 275 Appreciation Syndicate #0215
"In order for the light to shine so brightly, the darkness must be present"
Francis Bacon
(and - for those who have asked - avatar from postcard and says "Coming Home by Rail".  https://c1.staticflickr.com/5/4595/27430282209_39a564be00_z.jpg
 
 
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Smudge
Those schrader valves can be tricky. Sometimes the schrader has to be screwed in farther or backed-off out of the fuel tube. I'm not an expert, so it's just a thought.
Also there's a little plastic thing inside the valve body that can melt.
"If all the beasts were gone, men would die from a great loneliness of spirit, for whatever happens to the beasts,
also happens to the man. Whatever befalls the Earth, befalls the sons of the Earth.” - Chief Seattle

ICCC # 1726  -  Bernz0matiC Appreciation Club #057
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dwillie
Just a small cobweb will cause that symptom.
Darien.
“All of us are creatures of a day; the rememberer and the remembered alike.”    

Coleman Blues #67.   ICCC #1242.   Searching for 5-1940. 6-36.
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Chucker
Have you tried a new or known working generator? 
Chuck
"Stop being angry, and forget about getting back at people; do not worry -- it only causes harm." Ps. 37:8
Eye-SEE-C-C Member #1333 -- MilSpecOps #003
"Michigan - from the Ojibwa word “meicigama,” meaning “great water.”
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JeepJeepster
ecblanks wrote:
The 288 doesn't have the spring/rod assembly.  It uses a schrader valve.  


Obviously Ive only worked on older lanterns.... [sEm_blush8]
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SteveA
Blockage in the air tube or gen tip worn?
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ecblanks

Pulled the generator apart last night.  Paper tube was in decent shape and the pricker was bent but functional.  Tried with another pricker rod but same result.
Air tube is crystal clear.
I do feel like I see a lot of daylight through the tip orifice so that may be the cause.  I do not have another generator on hand.  looks like diamger is same as 200A generator.  Anybody know if that tip will "just work"?  The body of it looks a lot smaller than the one on the 288, though the orifice is the same.

 

Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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Chucker
No. It's 8/32nds vs. 4/48in (200a) threads. 
Chuck
"Stop being angry, and forget about getting back at people; do not worry -- it only causes harm." Ps. 37:8
Eye-SEE-C-C Member #1333 -- MilSpecOps #003
"Michigan - from the Ojibwa word “meicigama,” meaning “great water.”
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ecblanks
Dang
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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NWMike
The replacement generator for my 288 doesn't have a tube.  Just more coiled wire.  Are you sure you got the right part #?  I've got 288-5891 or 3000005403, believe the last one is the current one.
Maybe they changed the way they assembled them over time. (?)
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Chucker
Correct, the latest production 288/286 generators do NOT have the old 'cardboard' tubes. All coil and pricker.

That's why running kero in one of these in a pinch is a very cool option.
Chuck
"Stop being angry, and forget about getting back at people; do not worry -- it only causes harm." Ps. 37:8
Eye-SEE-C-C Member #1333 -- MilSpecOps #003
"Michigan - from the Ojibwa word “meicigama,” meaning “great water.”
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ecblanks
Mine is original, I believe
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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hahoe03
I have one that does the very same thing, but its been like that since I bought it new. Mine is a cl2 that has the original generator as well. Once it warms up, runs like a dream.
Jeremiah 29:11-13 KJV For I know the thoughts that I think toward you, saith the Lord , thoughts of peace, and not of evil, to give you an expected end. [12] Then shall ye call upon me, and ye shall go and pray unto me, and I will hearken unto you. [13] And ye shall seek me, and find me , when ye shall search for me with all your heart.

Mike Trigg
The Coleman Blue's 243's #053. Sears Collectors Club #69 (pending)
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ecblanks
Resurrecting my old thread.  I finally got around to replacing the generator, and still it does the same thing . I have now replaced the generator and the fuel pickup.  Here's teh symptoms:
1. Lights immediately.  I guess the generator is holding a good amount of fuel from previous run.  
2. FLoods a lot of liquid fuel during the lighting process.
3. Once generator heats, it runs like a champ.

What else am I missing?
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

Quote
ecblanks

Tested my theory about the generator holding over fuel.  After letting it cool I opened the fuel cap then turned the valve knob to High to help clear out any left over fuel.  Lit it again and it performed much closer to expected (took a few seconds to light, no massive fireball, only a small one). I assume this is because the shut off and dimming mechanism is simply blocking the fuel orifice with the needle, in combination with schrader shutoff.  

But still begs the question; why did it work flawlessly before?

Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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zoomkat
"I finally got around to replacing the generator, and still it does the same thing . I have not replaced the generator and the fuel pickup." and "Made the assumption that it was the fuel tube/schrader which I got from Mike and installed yesterday.  Still same thing."

Well, it is really confusing as to what you have actually done/changed on your lantern.. The Schrader valve lanterns seem to be a little more fuel heavy on startup due to their design. Note that they  are designed to start with the fuel control valve full open and probably should be left that way until they are up and running. Per the patent description, fuel flow is reduced by the pressure buildup in the generator when the fuel starts to vaporize. Till then, it is somewhat expected that there will be a lot of fuel flowing.
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ecblanks
Oops, yeah I bet that was confusing. I have NOW replaced the fuel pickup and generator (I have also NOW edited that post. thanks for pointing out).
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

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mikew
Mine has the generator with the build in tip, so not removable.  Flares up on startup pretty good like yours but runs fine when warmed up.  
Mike
"... at evening time, it shall be light." Zechariah 14:7

Slant Saver #05; Milspec Ops 0045
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Chucker
It may just be that starting it using a lighter or match along the gen for a few seconds (with globe and vent off) may be your new normal. Sorry. 
Chuck
"Stop being angry, and forget about getting back at people; do not worry -- it only causes harm." Ps. 37:8
Eye-SEE-C-C Member #1333 -- MilSpecOps #003
"Michigan - from the Ojibwa word “meicigama,” meaning “great water.”
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ecblanks
Yeah I'm starting to agree.  It works fine, it's just frustrating that I can't figure out why it's doing it now and didn't before.  I'm picking up another 288 today so I'll have another for comparison. Thanks for all the replies.
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

Quote
surffishsuds
The pair of 288s I use fishing act the same way on start up. I use lighter with a long flexible neck to pre heat. Holding the lighters flame on the generator a little below the mantles, the mantels will keep the heat on the upper part of the generator when they light. There's very little over burn and very little soot, air temp seems to be an important thing. You might have to move the globe to one side so the torch head will fit through the lighting hole.
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zoomkat
For visualization of what is going on in a Schrader valve lantern, below is the fuel control valve operation diagram from the Coleman patent.

schrader1.jpg 
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ecblanks
awesome diagram, zoomkat, thanks!
Carlton - 9/73
Coleman 275 Appreciation Syndicate # 0176
Slant Saver #29
Mil-Spec Ops #0973

Quote
zoomkat
Just to add a little more info, below is the plastic fuel pickup tube that the Schrader valve screws into. Note the air intake, 71, and the fuel inlet orifice, 72. The fuel/air supply design is somewhat similar to the older lanterns, but in the Schrader design, per the patent description, the mixing and fuel flow is controlled by generator back pressure instead of a fuel control rod in the pickup tube.

orifice.jpg 
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