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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Paraffin Blow Torch
Have just bought an old secondhand Primus 632 paraffin blow torch.
A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it? I live in north west London, does anyone know where i might get this expertly looked at? Thanks |
#2
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Paraffin Blow Torch
On 06/10/17 14:06, john.west wrote:
Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it? I live in north west London, does anyone know where i might get this expertly looked at? Thanks When you say 'out of the side', do you mean from the holes in the metal 'pipe' or from a joint? If the latter- a failed seal would be my first port of call, especially if you need a lot of effort to pressurise it. A leak of pressurised fuel will burn rather well. I would hazard a guess they are perhaps fibre washers or perhaps even some asbestos type (if not asbestos originally) material. Sourcing them may take some ingenuity- perhaps parts intended for gas fires, cookers etc. I only used one of the old style blow lamps once, many years ago (40 or more) and, as I recall, it did have a lot of 'side flame' as well as the central one when really 'roaring'. As you may know, you need to vapourise the paraffin and before it is ignited, therefore there is a vapourisation system (pipes really) which are heated by the flame. I always assumed the 'side' flames were the 'spill' from this. |
#3
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Paraffin Blow Torch
On 06/10/2017 14:06, john.west wrote:
Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it?Â* I live in north west London, does anyone know where i might get this expertly looked at?Â* Thanks Check the jet is clean with a fine wire. You used to be able to buy purpose made "Prickers" on a handle in the correct size for the jet specifically for doing this at regular intervals. Mike |
#4
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Paraffin Blow Torch
Muddymike wrote:
On 06/10/2017 14:06, john.west wrote: Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it? I live in north west London, does anyone know where i might get this expertly looked at? Thanks Check the jet is clean with a fine wire. You used to be able to buy purpose made "Prickers" on a handle in the correct size for the jet specifically for doing this at regular intervals. Mike Pull a wire from a wire brush and make a pricker |
#5
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Paraffin Blow Torch
In article ,
john.west wrote: Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it? I live in north west London, does anyone know where i might get this expertly looked at? Thanks Prick? Not you obviously, but are you certain the jet is clear? -- *How come you never hear about gruntled employees? * Dave Plowman London SW To e-mail, change noise into sound. |
#6
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Paraffin Blow Torch
On 06/10/2017 15:00, FMurtz wrote:
Muddymike wrote: On 06/10/2017 14:06, john.west wrote: Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it?Â* I live in north west London, does anyone know where i might get this expertly looked at?Â* Thanks Check the jet is clean with a fine wire. You used to be able to buy purpose made "Prickers" on a handle in the correct size for the jet specifically for doing this at regular intervals. Mike Pull a wire from a wire brush and make a pricker Or a strand of wire from a cable. Bill |
#7
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Paraffin Blow Torch
On 06/10/17 15:37, Bill Wright wrote:
On 06/10/2017 15:00, FMurtz wrote: Muddymike wrote: On 06/10/2017 14:06, john.west wrote: Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it?Â* I live in north west London, does anyone know where i might get this expertly looked at?Â* Thanks Check the jet is clean with a fine wire. You used to be able to buy purpose made "Prickers" on a handle in the correct size for the jet specifically for doing this at regular intervals. Mike Pull a wire from a wire brush and make a pricker Or a strand of wire from a cable. Bill Or an old guitar string Nick |
#8
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Paraffin Blow Torch
On 06/10/2017 15:35, Dave Plowman (News) wrote:
In article , john.west wrote: Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it? I live in north west London, does anyone know where i might get this expertly looked at? Thanks Prick? Not you obviously, but are you certain the jet is clear? I have a paraffin iron and a couple of heaters, you have to preheat them first. This can be done with a small wad of material soaked in meths place near the exit of the `jet` after about 5 minutes give a few `pumps` and ignite. It sounds like you are pumping out unvapourized paraffin. |
#9
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Paraffin Blow Torch
On 06/10/2017 18:06, ss wrote:
On 06/10/2017 15:35, Dave Plowman (News) wrote: In article , Â*Â*Â* john.west wrote: Have just bought an old secondhand Primus 632 paraffin blow torch. A lot of the flame comes out of the side rather than the front. Any idea what is going on here, and what i might do to fix it?Â* I live in north west London, does anyone know where i might get this expertly looked at?Â* Thanks Prick? Not you obviously, but are you certain the jet is clear? I have a paraffin iron and a couple of heaters, you have to preheat them first. This can be done with a small wad of material soaked in meths place near the exit of the `jet` after about 5 minutes give a few `pumps` and ignite. It sounds like you are pumping out unvapourized paraffin. The traditional blowlamp has a little well in the top of the cylindrical fuel container just under the jet, you simply fill this up with meths and light it. As someone else said, it's not clear where your leak is coming from, and/or whether you might have a blocked jet which needs pricking. |
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