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 Topic: Coleman dual fuel stove....please!
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07/7/2014 at 10:57pm
Location: Devizes Wiltshire
Outfit: MWB VW Crafter PVC
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Hmmmm, I thought one of the design features of the Coleman Dual Fuel 2-burner stove is that when the fuel tank is dis-engaged for whatever reason, the flame will die.
When pumping the tank, remember to turn the knob as little as possible, quarter of a turn is enough.
Don't be afraid to pump it while the flame is weak at the start. I used to be too scare to do it, however, I do it regularly now.
Remember to turn off the slave burner completely, otherwise it is not possible to start the main burner due to pressure escaping via the slave burner. I did that once and took ages to work out why I could not start the main burner, DOH!!! 
Smelling of fuel after turning off the burners is normal.
I have to change the generator once already since having the stove in Oct 2011. When I dismantled the old one, the needle at the tip had completely disintegrated. Apparently the replacement generator is likely to last longer than the original one that came with the stove. Only time will tell if that is indeed the case.
Enjoy your new stove!
DK 
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* Apple The Campervan - A Van For Work, Rest And Play! *
- 2025 - inc. FR & DE
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* Treat life events like a dog: If you can't eat it, play with it, or hump it, p1$$ on it and walk away! *
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08/7/2014 at 12:29pm
Location: North Herts
Outfit: Monterey4 Cabanon E
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I'm with DK on thinking that if the fuel tank falls out it will extinguish the flame. Thanks for the tip re the slave burner - easily done I feel.
After extinguishing (turning off the valve) our main burner still shows a small amount of flame for a few seconds, which I usually blow out. I guess that's normal too?
I'm learning loads from here and from previous questions I and others have posted, including how to clean the burners when you drop egg onto them!
Fay, if you have a moment, check out all the previous threads and that should give you the reassurance and knowledge you need.
Also, I found lots on the web, including a help section in Coleman US/Canadian site. Here's what I collated... if it posts maybe it'll help you and others too.
http://www.aaoil.co.uk/environment-Aspen-Stockists
Aspen T40 or panel wipe
http://www.youtube.com/watch?v=vkx0DtXlJZY&feature=related
http://youtu.be/69jpsoTi8nU
http://www.youtube.com/watch?v=vkx0DtXlJZY&feature=fvwp&NR=1
http://www.ehow.com/how_5469646_troubleshoot-dual-fuel-camp-stove.html
http://www.johnscross.co.uk/pages/Coleman-Stoves-Help-and-Advice-on-use-and-Maintenance.html
To turn it on:
Engage the fuel pipe into the generator bit.
Loosen the pump knob by turning a whole turn anti-clockwise
Prime the reservoir with 20-40 strokes until there is resistance (the number is temperature dependent): put your thumb on the end!!!!
Remember to close the pump knob by turning clockwise BEFORE turning the little lever up! Or you'll loose the pressure inside the tank.
Turn the little lever up, vertically.
Open the valve and light the main burner (have the flame ready).
Allow the flame to burn yellow (it might just be blue) for about one minute (may be longer if cold), then turn the little lever back downwards.
Add a bit more pressure with the priming rod (?)
To light the auxiliary burner, open the butterfly valve and light it.
To turn it off:
Turn the second burner off first by tightening in the direction of the arrow (clockwise).
Turn the lever to the ‘light’ vertical position.
Close off the fuel valve - the flame may continue until the vapour is burnt off.
Smelling of fuel after the flame has died down is normal AFAIK too.
Turn lever back down.
>>>>>
Thank you for contacting Coleman.The lighting lever is used to light the stove only, turned to up position. I have attached the instructions for the stove.
The lever is only used in lighting to give ignition a boost.If you need further information, please visit us online at http://www.coleman.com.
Thank you,
Candy
Coleman Consumer Service
Troubleshooting lighting issues with Coleman® Liquid Fuel Stoves: Published 04/20/2010 12:52 PM | Updated 05/04/2010 12:26 AM
Why does the burner on my liquid fuel stove not light, only stay lit a few seconds before going out or the flame pulsate up and down?
If a liquid fuel stove lights for only a few seconds then goes out or the flame pulsates, it could be one of four problems.
If the stove will not light or lights for a few seconds then goes out and there is no sound of air passing through the generator, there is either no pressure in the fuel tank or the generator is clogged. Make sure the tank is pumped up at least 35 strokes before lighting the stove. If there is still no fuel flow, try cleaning the tip of the generator. Turn the valve knob on the stove all the way clockwise until it stops. This closes the valve and pushes the needle assembly inside the generator through the hole in the gas tip at the end of the generator to clear any blockage. Under normal use, carbon will build up inside a stove's generator. If some of the carbon breaks free of the inside of the generator and blocks the hole in the gas tip, it will restrict or shut off the fuel flow. If, after you close and open the valve knob, you still get no fuel flow to the burner, the stove generator will need to be replaced.
If the stove will not light, or lights for a few seconds then goes out, but you still hear air passing through the generator, there is either not enough fuel in the tank or the fuel and air tube assembly in the tank has a lacquer build-up that is preventing the fuel from reaching the generator. Make sure the fuel tank is at least half full before lighting the stove. A low fuel level can make it difficult for the fuel and air tube to draw fuel properly. If there is plenty of fuel in the tank and the stove still will not light and continue to burn, the fuel and air tube may have a lacquer build-up preventing fuel from being drawn from the tank.
If a stove is stored for long periods with fuel in the tank, it can cause a coating of lacquer to build up on the fuel and air tube. The tube has a small hole at the bottom that draws in the fuel and one at the top to draw in air. If the bottom hole is obstructed, the fuel will pass into the generator and mantles in surges or not at all. You can sometimes clean the fuel and air tube by pouring out the fuel in the tank then filling it about halfway with denatured alcohol. Do not use rubbing alcohol as it has water in it and do not pump up the tank or open the valve while the alcohol is in the tank. Let the stove sit for 24 hours then shake the tank and pour out the alcohol. Rinse the tank with clean Coleman Fuel and refill with fresh fuel.
If the stove's burner still pulsates or will not light, you will need to replace the fuel and air tube.
We suggest that if you are storing your stove for more than two weeks, pour as much fuel as possible from the tank back into the fuel can. This will help reduce the build-up of lacquer on the fuel and air tube. In order to totally empty the fuel tank, you will need to run the stove until the tank is empty. Emptying most of the fuel from the tank through the filler hole is usually sufficient.
Troubleshooting Coleman® stove that lights with a large yellow flame - Published 04/20/2010 01:03 PM | Updated 05/04/2010 01:27 PM
Why does my Coleman® stove light with a large yellow flame?
It is normal for a Coleman® liquid fuel stove to burn with a large yellow flame when first started. Until the generator assembly is hot enough to vaporize the fuel, the stove will burn with a yellow flame. Once the generator heats up enough, the flame will turn to blue and settle closer to the burner. Under normal use, this can take from 20 to 60 seconds depending on the outside temperature. The colder the stove and fuel, the longer it will take. It is important to have the lighting lever on the side of the liquid fuel stove's valve in the "up" position when starting the stove and to leave the lever in the "up" position until the flame at the burner turns blue. When the lighting lever is in the "up" position on the valve, the fuel mixture fed to the generator contains less fuel and more air than when the lever is in the "down" position. Running this lean mixture when lighting the stove allows the generator to heat up enough to vaporize the fuel without building up excess fuel in the burner. If, after the flame at the burner turns blue, you turn the lighting lever to the "down" position and the flame at the burner turns yellow again, turn the lighting lever "up" for another thirty seconds. The yellow flame indicates the generator is not hot enough. On both liquid fuel and propane stoves it is a proper fuel and air mixture that produces the correct blue flame at the burner. On a liquid fuel stove, outside air and fuel from the generator are mixed at the Bunsen where the generator plugs into the manifold behind and above the burner. On the manifold, right behind where the generator plugs in, there are two holes that draw in air to mix with the fuel on the way to the burner. If either or both of these holes are blocked or if a spider or insect enters these holes and build a nest or web sac inside the manifold, the fuel and air mixture will be incorrect and there will be a large yellow flame at the burner that will not settle down to blue. On a propane stove, there is, under the cook top, a tube that runs from each burner to the valve at the front of the stove. Near the valve end of the tube are two holes that draw in air to mix with the fuel. These holes and the tube near the holes can also be clogged by a spider or insect nest or egg sac. This will cause a large yellow flame at the burner. For either stove, the solution is to run a small bottle or gun-cleaning brush or some pipe cleaners up inside the tube to dislodge the blockage and then to blow the Bunsen or tube clear.
Over-filling the fuel tank can also cause excessive flame on liquid fuel stoves. You should always fill a stove tank on a flat, level surface with the generator parallel to the table top. Do not tilt the tank while filling. Inside the filler hole is a short neck reaching inside the tank. The maximum fuel level should always be just below the bottom of this neck. If the fuel level reaches up inside the neck or is enough to require you to tilt the tank to keep fuel from pouring out the filler hole, the tank is over-filled and the stove can flood when lighted. This will cause large yellow flames that will not settle to a blue flame.
Causes of a small flame at the end of the Coleman® stove generator, while the stove is running - Published 04/20/2010 01:06 PM | Updated 05/11/2010 02:34 PM
Why is there a small flame at the end of the generator while the stove is running?
The brass gas tip on the end of a Coleman® liquid-fueled stove's generator is screwed onto the generator shaft. During the heating and cooling of the stove, the expansion and contraction of the generator can loosen the brass gas tip and allow a small leak of fuel through the threads between the gas tip and the steel generator shaft.
When this happens, you will get a 1" to 1 ½" flame at the gas tip/ manifold connection behind the burner. Though not hazardous, the flame can leave soot on pans used on the stove.
If you notice a small flame where the generator enters the manifold on your liquid fuel stove, remove the tank, valve & generator assembly from the stove, loosen the brass gas tip about half a turn and tighten it back down. This will re-seal the threads and prevent the leak.
How to properly pump up your Coleman® stove in order to light it. - Published 04/20/2010 12:48 PM | Updated 05/04/2010 12:26 AM
Why can't I pump pressure into the tank of my stove?
The pump plunger must be turned one full turn counter-clockwise before pumping up the stove. There is an air stem inside the pump plunger that seals the pump closed during use and guides the plunger straight up and down inside the pump barrel. The air stem must be partially unscrewed from the check valve at the base of the pump barrel before any air will pass into the tank.
You must also be sure that the pump cup on the end of the pump plunger is lubricated so that it seals against the sides of the barrel and pushes air into the tank.
At the beginning of every season it is a good idea to remove the pump plunger from the tank and oil the pump cup. If the cup is leather, take your thumb and spread it out, then soak it in a good leather oil for a few minutes. It the cup is neoprene, oil it with a light machine oil such as 3 in 1 or a light motor oil.
When you re-insert the cup into the pump barrel, make sure the outside edge of the cup is not creased or deformed.
Stove or lantern won't pump up - Published 03/18/2010 12:40 PM | Updated 06/18/2010 03:10 PM
Why does the pump on my stove/lantern not work?
There are two possible and easy to fixes to issues that make the pump on liquid fuel appliances not function correctly. To determine which fix applies to your appliance, first determine whether the pump plunger cannot be pushed down or the pump plunger pushes down easily and but no pressure builds up in the tank. Follow the instructions for the applicable issue.
Pump plunger cannot be pushed down.
You need to release the pressure from the pump barrel. First, try turning the plunger by hand one full turn to the left - if it won't turn, wrap the end of the plunger in a rag and force it counter-clockwise with a pair of pliers.
The plunger rides up and down on a square air stem that screws into a check valve at the base of the pump barrel. When the pump plunger is turned to the right until it stops, the air stem is screwed into the check valve and shuts off the air flow into and out of the tank. Turning the plunger one full turn to the left unscrews the air stem and allows the air being pushed by the pump cup to flow into the tank. When If the stem is closed, the air builds up in the pump barrel and makes the plunger nearly impossible to push down.
Pump plunger moves freely but no pressure builds up.
The pump cup (seal) may be dried out, torn or completely off the plunger. Pump cups come in either leather or neoprene. They wear out in ordinary use.
If the cup is made of leather and the appliance has been unused for a while the leather may have dried out and shrunk to a point where it doesn't seal against the sides of the pump barrel. Without that seal, the pump cannot push air into the tank.
Leather pump cups can be reconditioned by removing the pump plunger from the tank, spreading out the cup with your thumb and soaking the cup in a good leather oil such,ball-glove oil, or mink oil for about 20 minutes. The soaking expands the pump cup allowing it to seal against the pump body.
If the cup is made of neoprene, the seal may also shrink. Oiling the pump cup with a light machine oil or lightweight motor oil will allow the pump cup to seal against the pump body.
If your pump cup does not respond to reconditioning or is torn. - You will need to replace the pump cup. You can order a new cup through the Coleman web site athttp://www.coleman.com/parts
Removing lacquer from my Coleman® liquid fuel lantern or stove - Published 04/28/2010 01:11 PM | Updated 05/04/2010 12:26 AM
How do I remove lacquer from my Coleman® liquid fuel lantern or stove?
You can sometimes remove a buildup of lacquer from insider you liquid fuel lantern or stove by pouring out the fuel in the tank then filling it about halfway with denatured alcohol. Do not use rubbing alcohol as it has water in it and do not pump up the tank or open the valve while the alcohol is in the tank. Let the lantern sit for 24 hours then shake the tank and pour out the alcohol. Rinse the tank with clean Coleman® Liquid Fuel and refill with fresh fuel.
Post last edited on 08/07/2014 12:35:45
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08/7/2014 at 1:39pm
Location: Devizes Wiltshire
Outfit: MWB VW Crafter PVC
View Profile
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Joined: 19/6/2009 Diamond Member
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Can't remember where I read it, could be a video on Youtube; however, the flame dies as soon as the fuel tank is disengaged. Therefore, even if it continues to spray fuel, there is no flame to ignite it.
Just tried it myself with the flame on high.
There was a slight "boom" as I pulled the tank out, however, the flame died immediately even though the nozzle was still spraying fuel.
DO NOT TRY THIS WITHOUT ADEQUATE SAFETY PRECAUTIONS!!!
DK
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* Apple The Campervan - A Van For Work, Rest And Play! *
- 2025 - inc. FR & DE
- 2024 - 10/56 inc. FR & NL
- 2023 - 48 inc. FR
- 2022 - 49
- 2021 - 34
* Ex-tenter & solo female camper *
* Treat life events like a dog: If you can't eat it, play with it, or hump it, p1$$ on it and walk away! *
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