Cooker servicing

Hi,

I have a gas cooker, and the grill is becoming a problem. The flame is not as large as it used to be, and there is a constant popping as the individual flames go out, and are re-lit.

I have had a look at the burners using a mirror and a torch, and they look like two pieces of metal, one like the inside layer of corugated cardboard, except about an inch between the flutes.

Has anyone any idea how to clean these? I cannot find a way to get at them for cleaning (although they look clear). It is a "Leisure 2100 Sterling Si" if that helps.

I cannot find a copy of the manual on the web, so if anyone knows a good source for that I would be grateful too.

Bob

Reply to
Bob Smith
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Bob,if this is an eye level grille,pull the cooker out from the wall so that you can access the rear of the cooker. Check the burner mixing tube. If there is a visible venturi/injector,check that the venturi inlet isnt bunged up with fluff/dust. Next ,use a fine piece of fuse wire to clear out the hole in the injector or alternatively,remove the injector and/or mixing tube assy and clean in warm soapy water.

joe

Reply to
tarquinlinbin

Might also be worth checking the supply pressure at the cooker is 19-21 mBar.

Reply to
Ed Sirett

----- Original Message ----- From: "Ed Sirett" Newsgroups: uk.d-i-y Sent: Wednesday, June 02, 2004 8:54 PM Subject: Re: Cooker servicing

Thanks folks,

It is a "knee level" grill, dismantled from the front.

I dismantled the grill, and got it down to the corugated thingy. The 2 plates (one flat one corugaty) are spot welded together, then glued up with enamel, so I hoovered it in reverse to the normal gas flow direction through the 3/4" "in" end.

I took the stove top off, and the venturi bits were all sparkly and new looking aluminium. (the flames were all a nice blue anyway).

Put the whole thing back together, and the popping is gone. I still seem to remember the flames were longer on full blast though. I have no way of measuring the pressure, but I put all the burners on full, and it had no effect on the grill flame if that means anything.

I have a question though. Why are the burners arranged:

  • * * * * * * * * * * * * *

Cos it makes for an uneven dispersion of the heat. If you want to make toast, you can only really do 2 pieces, one far left, and one rar right.

Bob

Reply to
Bob Smith

Bugger! The popping is back.

Any ideas?

Bob

Reply to
Bob Smith

Is there any gunge inside the gas outlet jets? Also is the gas inner jet clear, it might need cleaning with a jet cleaner or strand of suitable sized wire.

cheers, Pete.

Reply to
Pete C

Nope, it's all clear.

Bob

Reply to
Bob Smith

Hi,

If the jets are not blocked in any way, try measuring the gas pressure at the grill inner jet with a U tube manometer, also measure the pressure when the other burners are turned on. There's lots of info on the web about making and using one of these.

Also does the flame popping happen evenly across the burner, and is it dependent on the grill setting and whether other burners are turned on?

cheers, Pete.

Reply to
Pete C

Grills work by radiating heat to the food.

If you have a wide [1] grill then the heating has to be more or less double at the ends as it is in the middle to get an even distribution of heat over the whole cooking area.

I've noticed the electric elements on toasters having this design aswell. In your caew it looks as if the design has over done this compensation and/or the food is a little too near the heat?

[1] Wide in this context means the width of the grill being a factor of several or more that the distance from the heat to the food.
Reply to
Ed Sirett

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