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How to clear blocked holes in a gas oven burner?
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Nick
Dec 8, 2013, 10:21:26 AM12/8/13
to
Had a problem with gas oven a few days ago. Turns out herself had pressed a
button to put the oven on timer [1], thus the wretched thing would not
ignite. Having discovered this it was easily cured, just press 2 buttons and
hey presto! we're back in business.
Noticed that the flame was looking rather weak even at full blast. Turn off
& let it cool.
On inspection there are about 100 holes in the burner assembly and those
that are visible are partially blocked, this involved being head & shoulders
within the oven[2]. Many totally blocked/invisible. Unblocked some with a
set of BOC nozzle cleaners, some more with a very fine pickset. Trouble is
that some of the jets are totally obscured by the ignitor and I don't really
want to have to delve into the innards/dismantle too very deeply.
Is there a brush-on substance that might do the job? I was thinking perhaps
caustic soda solution or perhaps some kind of acid. I've no idea what might
be blocking the jets, could be spillage from roasting or perhaps a natural
build-up of something following years of burning.
I don't know but I recall the adage about digging holes and when to stop.
Thanks,
Nick.
[1] Kitchen is her sanctum santorum, I'm allowed in by invitation only. Good
arrangement.
[2] At this point herself arrived home from some retail therapy. She
exclaimed What are you doing in my kitchen. If you're killing yourself
please put the kettle on first.
button to put the oven on timer [1], thus the wretched thing would not
ignite. Having discovered this it was easily cured, just press 2 buttons and
hey presto! we're back in business.
Noticed that the flame was looking rather weak even at full blast. Turn off
& let it cool.
On inspection there are about 100 holes in the burner assembly and those
that are visible are partially blocked, this involved being head & shoulders
within the oven[2]. Many totally blocked/invisible. Unblocked some with a
set of BOC nozzle cleaners, some more with a very fine pickset. Trouble is
that some of the jets are totally obscured by the ignitor and I don't really
want to have to delve into the innards/dismantle too very deeply.
Is there a brush-on substance that might do the job? I was thinking perhaps
caustic soda solution or perhaps some kind of acid. I've no idea what might
be blocking the jets, could be spillage from roasting or perhaps a natural
build-up of something following years of burning.
I don't know but I recall the adage about digging holes and when to stop.
Thanks,
Nick.
[1] Kitchen is her sanctum santorum, I'm allowed in by invitation only. Good
arrangement.
[2] At this point herself arrived home from some retail therapy. She
exclaimed What are you doing in my kitchen. If you're killing yourself
please put the kettle on first.
Bob Minchin
Dec 8, 2013, 10:33:08 AM12/8/13
to
lift out leaving the metering jet and air mix chamber behind.
For the last few years of its life the pilot jet in my conventional
boiler used to become obscured by 'stalagmite' of hard black substance.
I concluded that this must have come from impurities in the gas. Maybe
you have something similar?
dochol...@gmail.com
Dec 8, 2013, 11:34:53 AM12/8/13
to
On Sunday, December 8, 2013 3:33:08 PM UTC, Bob Minchin wrote:
<snip>
The cooker is still going strong thirty years later.
Should this be the cause of the OPs problems it may require some care in working out how to pass the information on...
<snip>
> >
>
> In my experience of a few gas burning appliances, the main burners just
> lift out leaving the metering jet and air mix chamber behind.
>
My observations are that just about all hobs are like that, but fewer ovens and grills.
>
> In my experience of a few gas burning appliances, the main burners just
> lift out leaving the metering jet and air mix chamber behind.
>
>
> For the last few years of its life the pilot jet in my conventional
> boiler used to become obscured by 'stalagmite' of hard black substance.
> I concluded that this must have come from impurities in the gas. Maybe
> you have something similar?
When I moved into my first house my mother passed her old cooker on to me. Several burners, including the grill, had a tendency to blow out if you turned the gas on full. It turned out that many of the subsidiary jets used to keep the flame attached had become blocked, and an examination after cleaning showed that this was mainly due to the cleaning compound regularly rubbed onto the burners...
> For the last few years of its life the pilot jet in my conventional
> boiler used to become obscured by 'stalagmite' of hard black substance.
> I concluded that this must have come from impurities in the gas. Maybe
> you have something similar?
The cooker is still going strong thirty years later.
Should this be the cause of the OPs problems it may require some care in working out how to pass the information on...
Sam Plusnet
Dec 8, 2013, 11:37:21 AM12/8/13
to
In article <l823g6$68s$1...@dont-email.me>,
bob.minc...@YOURHATntlworld.com says...
> For the last few years of its life the pilot jet in my conventional
> boiler used to become obscured by 'stalagmite' of hard black substance.
> I concluded that this must have come from impurities in the gas. Maybe
> you have something similar?
>
>
Ovens are also subject to food by-products falling on the burner.
--
Sam
bob.minc...@YOURHATntlworld.com says...
> For the last few years of its life the pilot jet in my conventional
> boiler used to become obscured by 'stalagmite' of hard black substance.
> I concluded that this must have come from impurities in the gas. Maybe
> you have something similar?
>
>
--
Sam
Nick
Dec 8, 2013, 4:06:43 PM12/8/13
to
<dochol...@gmail.com> wrote in message
news:d9da4ae6-3587-4328...@googlegroups.com...
On Sunday, December 8, 2013 3:33:08 PM UTC, Bob Minchin wrote:
<snip>
> >
<snip>
<snip>
> >
When I moved into my first house my mother passed her old cooker on to me.
Several burners, including the grill, had a tendency to blow out if you
turned the gas on full. It turned out that many of the subsidiary jets used
to keep the flame attached had become blocked, and an examination after
cleaning showed that this was mainly due to the cleaning compound regularly
rubbed onto the burners...
I think this does not apply in my case.
Several burners, including the grill, had a tendency to blow out if you
turned the gas on full. It turned out that many of the subsidiary jets used
to keep the flame attached had become blocked, and an examination after
cleaning showed that this was mainly due to the cleaning compound regularly
rubbed onto the burners...
The cooker is still going strong thirty years later.
Should this be the cause of the OPs problems it may require some care in
working out how to pass the information on...
hat & gas mask.
Nick
Dec 8, 2013, 4:16:14 PM12/8/13
to
"Sam Plusnet" <n...@home.com> wrote in message
news:MPG.2d0eb09ba...@news.plus.net...
<snip>
> Ovens are also subject to food by-products falling on the burner.
>
>
Of course.
>
>
Having inspected this as closely as I am able there is no visible sign of
accumulated cooking detritus. I suppose this might be burned off and the
remains might block the gas jets. Possible but I think unlikely.
Back to my OP, how do I clear the jets?
Thanks,
Nick.
Nick
Dec 8, 2013, 4:00:28 PM12/8/13
to
"Bob Minchin" <bob.minc...@YOURHATntlworld.com> wrote in message
news:l823g6$68s$1...@dont-email.me...
<snip>
> In my experience of a few gas burning appliances, the main burners just
> lift out leaving the metering jet and air mix chamber behind.
Well this one certainly doesn't and it would be a quite major dismantle to
> lift out leaving the metering jet and air mix chamber behind.
remove the burner.
> For the last few years of its life the pilot jet in my conventional boiler
> used to become obscured by 'stalagmite' of hard black substance. I
> concluded that this must have come from impurities in the gas. Maybe you
> have something similar?
Nick.
The Natural Philosopher
Dec 8, 2013, 4:34:13 PM12/8/13
to
--
Ineptocracy
(in-ep-toc’-ra-cy) – a system of government where the least capable to
lead are elected by the least capable of producing, and where the
members of society least likely to sustain themselves or succeed, are
rewarded with goods and services paid for by the confiscated wealth of a
diminishing number of producers.
alan
Dec 8, 2013, 4:47:56 PM12/8/13
to
On 08/12/2013 21:16, Nick wrote:
> Having inspected this as closely as I am able there is no visible sign of
> accumulated cooking detritus. I suppose this might be burned off and the
> remains might block the gas jets. Possible but I think unlikely.
> Back to my OP, how do I clear the jets?
> Thanks,
Although I no longer need it for my consumer unit I find the "standby"
> Having inspected this as closely as I am able there is no visible sign of
> accumulated cooking detritus. I suppose this might be burned off and the
> remains might block the gas jets. Possible but I think unlikely.
> Back to my OP, how do I clear the jets?
> Thanks,
supply of fuse wire suitable for unblocking all types of small holes
http://www.wickes.co.uk/fuse-wire/invt/710136/
--
mailto:news{at}admac(dot}myzen{dot}co{dot}uk
Bob Minchin
Dec 9, 2013, 5:09:53 AM12/9/13
to
newshound
Dec 9, 2013, 7:59:55 AM12/9/13
to
On 08/12/2013 21:00, Nick wrote:
> "Bob Minchin" <bob.minc...@YOURHATntlworld.com> wrote in message
> news:l823g6$68s$1...@dont-email.me...
> <snip>
>> In my experience of a few gas burning appliances, the main burners just
>> lift out leaving the metering jet and air mix chamber behind.
> Well this one certainly doesn't and it would be a quite major dismantle to
> remove the burner.
Are you *sure* about that? Does the burner move around a bit if you try
> "Bob Minchin" <bob.minc...@YOURHATntlworld.com> wrote in message
> news:l823g6$68s$1...@dont-email.me...
> <snip>
>> In my experience of a few gas burning appliances, the main burners just
>> lift out leaving the metering jet and air mix chamber behind.
> Well this one certainly doesn't and it would be a quite major dismantle to
> remove the burner.
wiggling it? As others have said, gas oven burners (like boiler burners)
are in my experience always designed to lift out. OK in this case there
may be an igniter and/or flame failure stuff to get out of the way first.
alan
Dec 13, 2013, 12:52:00 AM12/13/13
to
with spilt liquids. This will show how the stuck one should be dismantled.
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