primus 1020

swiss-paul · Apr 9, 2024

ive got a primus 1020. it really needs a new rod and needle . also however hot i get the vapouriser it doesnt seem to vapourise the fuel properly. is this a case of some strong solvent to flush out the vapouriser??

ROBBO55 · Apr 9, 2024

A different lantern but the same problem.

MYN said: ↑

Pre-soaking the generator in a concentrated lye solution might help loosen a lot of semi-carbonized old fuel. It should complement mechanical cleaning and make things easier.
However, in many situations, what you'd find inside the Preston loop generator won't be just semi-carbonized fuel alone. Instead, you might find hard-coked fuel residues, which is a mixture of pure carbon and some other non-soluble impurities.
There aren't many chemicals that would react with hard carbon. It is not chemically reactive when cold.
Any chemical that would react with hard carbon won't be friendly to most other things as well..
A possible example would be some mixtures of concentrated sulphuric acid(~98%) and strong(>30%) hydrogen peroxide. They are normally called 'Piranha Solutions'. Used for removing those 'hard-to-clean', tightly adherent carbon or soot on laboratory glassware (borosilicate/pyrex). The solution has been known to oxidize pure carbon deposits. (The removal of hard carbon deposits requires highly oxidizing conditions).

Alternatively, we sometimes perform the heat-and-quench on the generator to loosen those hard coke within.
The carbon within the loop can also be burned off if you have a special assembly to inject air or oxygen into the generator with the jet removed. The generator would be heated to dull red hot while air or oxygen being fed-in from one end. There'd be an eruption of sparks from the burning carbon in such procedures. This would last until all the carbon has been oxidized or burnt. Great care required for this so that heat is well-controlled,.. as to prevent the generator from melting.
The generator can be straightened if required. After a number of heat and quench cycles, the brass on the generator would be soft enough that you can easily bend it back as straight as your eye can tell.
Click to expand...

Hipolito 250 repair

swiss-paul · Apr 10, 2024

Its alive!!

swiss-paul · Apr 10, 2024

All I have to do is either find a rod for it or fabricate a needle on the one I've got......

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primus 1020

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primus 1020

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