Discuss HRM Wallstar Oil Boiler - Advice please in the Plumbing Jobs | The Job-board area at PlumbersForums.net
Hope so.....Hopefully the engineer will get back to you and you can mention everything we went through last night.
That’s basically what the guy at HRM was saying with regards to the electrode. He said to make sure that the diffuser plates in the blast tube are correct distance away from nozzle/electrodes as that can affect the nozzle pattern.I'm under the understanding that a tigerloop would void the warranty from new but your boiler is past warranty anyway. A tigerloop not only lifts fuel, it pre heats it and removes any gas bubbles in fuel supply. Having said that the danfoss pumps are more than capable of drawing fuel up to about 2.5m, even modern Riello pumps can draw fuel a certain distance. The engineer needs to thoroughly check electrode position going by the book, spark quality and whether or not its intermittently sparking elsewhere ie around porcelain protectors or HT lead. If after a number of attempts he is happy all is well then I would move onto checking atomization of fuel at nozzle, this again needs to be done safely and properly.
That’s basically what the guy at HRM was saying with regards to the electrode. He said to make sure that the diffuser plates in the blast tube are correct distance away from nozzle/electrodes as that can affect the nozzle pattern.
If the HT leads and electrodes are replaced then that’s everything apart from motor and blast tube.
Yeah I did check these when it was mentioned before and they all seemed ok to within the tolerances specified in handbook.Yes the brake plate needs to be at correct position as well as like you say this will affect spray pattern, too close to nozzle outlet and it will affect its ability to ignite, or delayed ignition. MI's says 3-5mm but I'm sure I've mentioned this before?
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