Hello Stove enthusiasts, I have 4 111's and a 111B. I wish to restore initially one paraffin model and the petrol. I have a problem removing the tank / burner assembly, the screw on the pump side securing the tank to the case is turning. The other side is out. I have tried exerting pressure outwards on the heat shield whilst unscrewing, alas it turns but does not come out. Anything known about this or tips in extracting ? Is the gland nut on the tank to burner connection a conventional thread ie anticlockwise to remove ? Do the 111B model run on standard 95 octane fuel (5%) ethanol ? Do the paraffin models run on, forgive me here I am in Germany, LAMPENÖL ? no esso blue here ! Regards, Andrew
The reason I ask about the B model is because when i used it many years ago it was only with petrol from the petrol station. This was pre-internet times and although I never had any real problem since then I have read through some of the manuals / forum entries where it is explained that Benzin (Petrol in german) does not mean automotive fuel we know in the UK as "petrol".
what is the difference between the K and B models ? is it only the jet or is the burner assembly also different ?
@sidewinder Although originally designed to burn petrol, the composition has changed over the years to the point it is no longer suitable as stove fuel. You'll need to find a source for what is essentially further refined petrol- 'naptha'. In the US Coleman fuel fits the bill, in the UK Aspen 4T, some solvent based panel wipes and Holts brake and clutch cleaner are suitable. Further searches on this site will provide more details. None of them are particularly cheap, and a 111B is a thirsty and expensive stove to run nowadays.
The Optimus 111B burner will have two, not 4, upright tubes to the top plate of the burner. [Source: Optimus 111B] And this diagram of a 111B burner: Tony
Hi Andrew, Do not use Lampenöl, it won’t do well. Use pure Petroleum. In the Netherlands you can buy it in do-it-yourself shops. This is for the normal 111. For the 111b it is better not to use car-fuel or Bensin. It contains a lot of stuff that is added to the pure petrol that is not well for the stove. In the Netherlands one can buy Aspen4 at garden shops as fuel for garden apparatus. Or coleman fuel at camp shops. Greetings, Tonio
I agree with @burny pyromaniac, i've use the aspen4, but it's more expensive than E5 With my Coleman lamps, no problem with E5, only a little smell if a leak. I also use E5 in Tito Landi stoves and in my Milspec lamps Gilles
Sounds like the insert that is soldered in the tank side broke loose, may need to tack it a bit if it can be reached, so the screw can be unscrewed. Duane
I would work a flat head screwdriver between the windshield and stove bracket. Putting some pressure her might lock up the spinning insert and help push the screw out as you turn it. It has normal thread. Failing that Dwayne is right, you would need to resolder the insert. I have had to do that before. It would be hard with the stove assembled though.
well there is not really much to see, the other commenters seem to have understood what I mean and its also pretty obvious what the issue is, I was just wondering before i set-to in earnest if anybody had a "whatever you do, do NOT do this..." type of advice !
Something to think about, may need to fill tank with water or use some form of a heat sink if soldering to prevent parts becoming undone and losing the insert for the screw. Duane
It is probably because they are not visual like me , Ken and many others on this side. I hope you get the help you need. Good luck
Don't try and solder it before you try every else to get it apart. Including cutting the screw head off.
