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Having real trouble with my sportster 553, at first it would light then go out after a few seconds......quite annoying when trying to have the first brew of the day, now it doesnt realease any fuel at all and wont light (and yep theres plenty of pressure in there!) its probally done 300 nights without any repairs etc since new before I started getting problems with it but as im useless mechanically I havnt got a clue! Im guessing theres a serious blockage somewhere!
Im very tempted to just chuck it and buy another!
Any ideas?
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i managed to get it back with an old needle. works good as new now. burns a bit high at first (like 3foot flames) but Im cooking again ;-)
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In reply to Post #1179
Just hook it out with a stringer needle or similar  , preferably an old one if you dont fancy petrol residue on one you use for baits  . hook behind it and pull gently,
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Do you mean the non return ball bearing valve Richard?
If so i think the spring goes on them and you have to replace the whole generator.
I rang up coleman and they gave me a parts department they use in the uk.
Im sure the company i used is Johncross. If not try oldgeezer on the forum is pretty clued up about coleman stoves.
Try this website for spares, Im not sure if its the cheapest but the prices seem reasonable.
Johnscross spares
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hi guys, been having problems with my stove for a bit and decided to investigate, found the generator was partially blocked so took it off and soaked it and was quite impressed at the amount of crap i got out of it to be honest. now when i came to put it back on somehow the valve inside the generator has slipped back up inside and i cant seem to get at it to get it out.
any ideas guys?
do i need to get a new generator and if so where is best to buy from? and how do i stop this happening with a new one.
many thanks in advance
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In reply to Post #1176
Well, the check valve got here alright, but it proved impossible to take out the old one, so I'm pretty much stuck with a brick. I tried car mechanics and metal shops around the village we're at now, none of them could extract what seems like a totally stuck valve.
Field serviceability... not impressed.
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In reply to Post #1174
Hi, just had the same problem. I f you take off the pump mechanism, the bar that slots into it may be jammed. It can be freed carefully using a pair of pliers.
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In reply to Post #1175
Thanks for the note.
I contacted Coleman UK and a quite helpful chap had the following to say:
[...]your problem is the check valve ( one way valve ) which is in the bottom of the pump cylinder these do normally perish over time ( i.e. years ) these cost Ģ9.99 & can be replaced by using a 3/4 " metal file & a pair of molgrips simply unscrew & replace
I ordered the part (which btw appears to cost 25% of that in the US...) and will let you know how it goes when I receive it.
Cheers
Alex
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Hi Alex it sounds like the little non-return ball bearing is not working on your stove, i had the same problem with my Duel fuel tilley lamp but i just put it down to genral wear and tear of the leather seal splitting, after buying a new generator and leather seal they lamp worked fine. I know they say you should try and give it 30 plunges to prime this and to be honest it wouldnt work for me. I found it hard and expensive to obtain spares from coleman's but did find a shop on Ebay which sells spare leather seals and generators. If not try Gerry Oldgeezer on the forum i know hes pretty clued up with the coleman range
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Hi all
Iīve cooked at least 100 meals on my Sportster 533 (which Iīve had for 3 years now). Yesterday I went to bed with a cold sandwich.
Symptom: Itīs impossible to do the first step (pump 30 times to build pressure before lighting the stove), as the pump will not even accept being pumped ONCE with my finger on the hole...
With the hole uncovered the pump appears to move in and out as normal.
I have drained the fuel, left the fuel cap open while pumping, no difference. Itīs still impossible to pump even once.
I took the pump out to have a look and this is what it looks like: Photo of pump
As I am "in the field" (cyclo-touring in Chile) I donīt have proper oil, but I sprayed WD-40 all over the pump parts and reassembled to no avail.
1. Is this seal broken? The center part looks quite regularly shaped and thus normal to me.
2. What else could be going on here?
3. If worse comes to worst and I have to get spare parts where do I order them from? Coleman USA even though the stove was purchased in the UK?
Cheers
Alex
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In reply to Post #1172
I have a new gen for my sportster but it's dfferent to my old one, in that the end which goes under the burner and is fixed in place by the plate and 2 screws, is round, whereas on my old one it's hex.
I'm assuming this won't fit, and don't want to open the packaging as it would prevent me returning it. My stove is getting on for 20 years old so maybe I need an older version with a hex nut, or maybe the round one will still fit - can anyone clarify please?
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In reply to Post #1171
Sounds like your generator again. I have experienced similar issues and reverted to cleaning everything out by using the Coleman fuel every five or six fill ups. In between I use normal 2 star with redex as suggested by BM in post 1000. I assume you have checked that the "L" shaped brass tag on the end of the wire is correctly positioned in the valve as well??
Incidently if you really want to sort out your stoves go and read post 1000 it is very detailed and contains some excellent advise.
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In reply to Post #1170
Ok my sportster 533 has a problem, when I turn the red lever it's a bit temperamental and fuel sometimes comes out properly and then other times it only comes out slightly?! I have stripped it and cleaned it all up but it's still the same! Any ideas people?? Gen was only replaced about 6 months ago!!
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In reply to Post #1169
i have the same stove and i contacted coleman in the states to find out how to get my stove serviced they told me how to do it myself its really simple just be careful when you take it apart its a little fiddly getting the fuel bar off but once you have in bits its simple to clean and will save you a small fortune taking it to a shop to do the same job they told me its just carbon clogging the holes so just use a toothbrush on all the bits and a little petrol and job done hope this helps a little
just 1 thing DONT take out the rockwool inside you wont get it back in just clean off as much crap as you can
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My coleman is occassionally emitting flames from under the burner unit, and also sometimes when it is switched off I can hear fuel escaping.
Before I take the thing to pieces and work out that I don't know what is wrong with it can anyone thing of any likely scenarios?
It is very erratic, it will be fine for ages then do it a few times in sucession. It nearly got booted into the lake on Friday night when the whole thing errupted in flames. Had I not been so desperate for a brew it would have done 
Releasing the pressure stops the fuel leaking (obviously), is it likely to be something to do with the lever assembley not pushing the wire all the way back through and allowing fuel to escape? It sounds like it is coming from under ther burner unit though which makes my first suggestion near enough impossible.
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