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Messages - royhall

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1
Aye, and a farthings worth of tripe fa thy dinner.

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2
I had a talk with the Intergas sales rep at a demonstration at our suppliers recently and they do look impressive. Never fitted one myself though. Location could still be the big issue.

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3
The obvious move is a combi in the attic as you wont have to climb loft ladders to get to it. It's your concrete floors that are the limiting factor. If you don't want want a combi (why wouldn't you) you could remove the expansion tank and fit a pressure vessel fill loop combination then you could use a standard heat only boiler (limited types available and pointless). Or you could use a heat only system boiler which is basically a combi without the hot water facility. The far easiest is the combi in the attic though. Gets rid of the cylinder and header tanks altogether and makes the fitment way easier. Plus any replacement later on are an easy combi swap. Most of your pipes will already be in the attic due to the concrete floors downstairs. You may need to re-run the gas supply in 22mm and install a drain.

4
Ted. I'm pretty sure all back boilers were finally phased out in 2020 (Hurrah). The Viessmann boilers are reported to be suffering from burner box corrosion, the larger ones have even had a recall/replacement notice that cost the company a lot of money. When you say a bad connection to the condensate pump, was that water or electrics. The pumps on those things are a nightmare, if you have wooden floors you can replace the pump with a decent one. There's not room in a BBU for a better pump so we put them under the floor next to the chimney breast and pipe/wire to there. Obviously the pump needs to be lower than the heat exchanger so that wont work on a concrete floor.

I don't know the layout of your house but there are usually options. Is it a house or bungalow, is it concrete floors, are there laminate/tiled floors everywhere, is there room outside where you could build a small lean-to boiler room, is your chimney on an outside wall etc.

In 30 years as a gas engineer I have never failed to find a way to replace a boiler. An example was a back boiler replacement that we couldn't figure out. In the end the chimney breast (on an outside wall) was opened up and a combi put inside the old chimney then they had a cupboard front fitted. There was a lot of other work to it but that was the jist. Just some ideas for you.

5
CB750 / CB750K5 Air screws
« on: March 22, 2024, 03:36:27 PM »
Just wondering what the opinions are on this. The Honda manual for the CB750K5 says that the air screws should be backed out 1 turn +-1/8. I have in the past had to go to 2 turns out to get a 750 running correctly. Some of you have far greater experience of the 750 than me, just wondering what you think. Cheers.

6
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 19, 2024, 06:26:52 AM »
Thanks Ash that would be fantastic. Don't really want to trust a plater to do those bits as they will probably end up plating the shafts or something similar.
Yes Mo the one on the right is a 14C.

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7
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 18, 2024, 10:38:56 AM »
Forgot to say Ash, I'm only needing replated parts for the 14C carbs. They are way different to the later versions in that spindles and springs are smaller. I'm attempting to bring back to life a pair of 14C's that have been shot blasted so the zinc is damaged.


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8
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 17, 2024, 07:43:30 PM »
Your sitting on a small fortune there Ash.

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9
Recommended Sources for Parts and Services / Felt seals for CB450K
« on: March 17, 2024, 05:57:41 PM »
Where's the best place to get felt seals for CB450K carb spindles. Someone on here used to sell them but I have a horrible feeling that it was Ken. Cheers.

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10
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 12, 2024, 11:57:32 AM »
Mo. You will probably find that those parts will arrive much quicker than you think.

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11
Misc / Open / Re: DONATIONS
« on: March 11, 2024, 03:07:18 PM »
I'm in. Thanks for your efforts Steve.

12
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 11, 2024, 10:17:08 AM »
Genuine Bomber carbs are definitely different. Will take some photos later. This is why they want £300 for a pair of filthy probably worn out carbs on eBay.

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13
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 11, 2024, 08:07:01 AM »
Never used them (yet) but they do get very good reviews. Just double check they are for the correct carbs, these are for genuine Bomber carbs if that's what your running.

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14
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 10, 2024, 12:44:14 PM »
Sorry Mo I don't have a spare set of springs. I knew I had two bags and thought there was a set in each unfortunately there's only one in each bag. They are available from 4into1 in the States but the postage is the problem. If there are other parts you need you could combine them to make it affordable.

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15
Project Board / Re: 1967 CB450K0 Black Bomber Rebuild - By Royhall
« on: March 07, 2024, 07:24:30 AM »
No they won't do Mo. I think I may have a spare set somewhere but may take me a while to find them.

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