Gas cook top

Submitted: Wednesday, Feb 27, 2013 at 10:58
ThreadID: 100790 Views:1453 Replies:5 FollowUps:3
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Having problems with the gas burners on the cook top in the caravan. They are all burning at a low flame, if at all. Gas is still getting through from the bottle ok because the fridge is working fine. I have checked the isolation valve, and twisted the regulator bolt back n forth to see if that changes anything too, but no change.

Any advice would be great, as it's taking 30 minutes to boil a coffee :(
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Reply By: Member - MUZBRY(Vic) - Wednesday, Feb 27, 2013 at 12:16

Wednesday, Feb 27, 2013 at 12:16
Gday
There will be a little brass jet in the system somewhere that is blocked.

Muzbry
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Follow Up By: Road Trippin Hippies - Wednesday, Feb 27, 2013 at 13:27

Wednesday, Feb 27, 2013 at 13:27
Hey buddy, I went through and cleaned all the brass jets individually, seems to be working better now thanks. It's like the cooker hasn't even been used before because it was the same problem with all the jets, even the grill
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Reply By: harry & the hobbit - Wednesday, Feb 27, 2013 at 12:41

Wednesday, Feb 27, 2013 at 12:41
we had the same trouble a while back. Traced it to the the regulator which was getting clogged by the flexible hose from the bottle to the reg. breaking down internally. Changed back to copper pipes and no more trouble. I was alerted to this by the 4wd store in broome who said it was becoming a regular occurrence.
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Follow Up By: Road Trippin Hippies - Wednesday, Feb 27, 2013 at 13:24

Wednesday, Feb 27, 2013 at 13:24
Thanks for the advice. Might look into swapping it to a solid pipe at some stage
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Reply By: Member - Jack - Wednesday, Feb 27, 2013 at 13:53

Wednesday, Feb 27, 2013 at 13:53
You can buy small tools to clear out the jets called 'Primus Prickers'. There are also very small fine files to enlarge the jets if needed. Normally you would get these at stores that sell and service the welding industry, or larger hardware stores. If you are filing out the jets, do it slowly and cautiously.

Jack
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Follow Up By: Ozhumvee - Wednesday, Feb 27, 2013 at 14:02

Wednesday, Feb 27, 2013 at 14:02
Be aware though that some jets have a minute piece of very fine metal gauze in them and poking something through the jet will wreck it completely. They may still work but don't atomise the gas properly.
The best way to clean jets is to boil them in water for a few minutes, otherwise just replace them/carry spares.
As has been said the regs and hoses also break down and I've been told by gas specialists regs especially should be replaced at regular intervals especially the cheap no name ones fitted these days.
Peter
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Reply By: Sand Man (SA) - Wednesday, Feb 27, 2013 at 18:59

Wednesday, Feb 27, 2013 at 18:59
Another problem that may have occurred is the regulator may have become contaminated by dodgy gas, thus reducing the flow.
If the regulator is below the level of the top of the gas bottle, contaminants in the bottle flow downhill and are not "vaporized" by the gas flow.

I had a similar problem with my camper trailer and this problem was determined by a qualified gas outlet.

The only solution was replacement of the double regulator I had on the camper.

The regulator located below the top level of the gas bottle is not normally an issue, unless you pick up a dodgy load of gas when having the gas bottle refilled at a "questionable" refilling outlet.
Bill


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Reply By: Road Trippin Hippies - Thursday, Feb 28, 2013 at 09:54

Thursday, Feb 28, 2013 at 09:54
Thanks for all your helpful ideas, you guys are amazing. I actually figured out what the problem was; it didn't make sense to me that all the jets would be blocked all at the same time, or having all the burners burning at 25% at the same time. It couldn't have been the jets, must have been a problem on the incoming line it with the regulator. Now it didn't make sense, also, that the fridge is working perfectly so the regulator must have been doing something right. I eventually found that the glass lid has an automatic system that opens the gas line to the cook top when it is opened. The trick is to make sure it is pushed back as far as it can go otherwise the valve doesn't open fully, hence the 25% burning flame, or none at all.

So, if anyone has a glass lid cooktop and the burners don't work properly, maybe just check that the lid is pushed back all the way before going out to replace regulators and stuff
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