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Author Topic: Whistle problem on SR1a  (Read 142 times)

meddyliol

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Whistle problem on SR1a
« on: July 13, 2019, 07:18:33 am »
I tried to remove the whistle to put a new seal on, it unscrews OK but cannot withdraw it because there seems to be a spring inside the boiler preventing it. How can I remove the whistle?

Cheers

Brian
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Pete the steam

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Re: Whistle problem on SR1a
« Reply #1 on: July 13, 2019, 07:22:32 am »
A spring on the whistle ?. There's a spring on the s/v but thats contained. Got a pic ?
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Wrestling ferrets since 1959.

meddyliol

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Re: Whistle problem on SR1a
« Reply #2 on: July 13, 2019, 08:21:05 am »
I cannot see the spring, after unscrewing the whistle it will not come out and it 'feels' as if there is a spring stopping it. Cannot provide a pic as there is nothing to see. I seem to remember someone else with the same problem. Cannot remember where or if it was resolved. My SW1 didn't have this problem.
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34046

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Re: Whistle problem on SR1a
« Reply #3 on: July 13, 2019, 08:35:30 am »
Brian

If it is the latest type whistle then the spring is inside the whistle. You will see it if you look in the slot where the steam comes out. There is a rubber O ring on the bottom of the valve inside the boiler.

This may have swollen or somebody may have fitted an oversize replacement and give it a good push to get it down inside the boiler .

Try unscrewing it as far as you can, and then squirt some fairy liquid or 3 in 1 oil in around the bottom of the whistle thread and pull gently.

Stuart
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meddyliol

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Re: Whistle problem on SR1a
« Reply #4 on: July 13, 2019, 09:10:16 am »
Got it out. What I thought was the spring wasn't. It was the small rubber '0' ring that was stopping it. The rubber ring looked to be in good nick so didn't change it (looks a bit fiddly anyway). Put a dab of washing up liquid on the ring and it all went back no problem. Thanks everyone. I am still learning but getting there  8).

Brian
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34046

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Re: Whistle problem on SR1a
« Reply #5 on: July 13, 2019, 10:34:40 am »
Sounds as if you are doing ok and learning fast.

I find easiest way to change an O ring is to cut off the old one, then  fairy liquid or a drop of oil on the stem and they pop on nice and easy.

Stuart
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meddyliol

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Re: Whistle problem on SR1a
« Reply #6 on: July 13, 2019, 10:54:14 am »
Cheers, I was wondering how to get that tiny little ring on! What would I do without this site to support me?

Ta Ta

Brian  :) :) ;D
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wulfrun

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Re: Whistle problem on SR1a
« Reply #7 on: July 13, 2019, 11:40:52 am »
Quote from: 34046 on July 13, 2019, 10:34:40 am
Sounds as if you are doing ok and learning fast.

I find easiest way to change an O ring is to cut off the old one, then  fairy liquid or a drop of oil on the stem and they pop on nice and easy.

Stuart
I have the same thing on a couple of mine, though not bad enough as yours from the sounds of it. It's good practice to leave the whistle & safety valve loose when the engine's not in use but you don't really need to actually remove the whistle so I tend not to.
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oilfield_steam

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Re: Whistle problem on SR1a
« Reply #8 on: July 13, 2019, 11:47:32 am »
Good perseverance Brian.

Photos are also appreciated, too.
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Scott

34046

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Re: Whistle problem on SR1a
« Reply #9 on: July 13, 2019, 11:59:36 am »
Extract from wulfrun's post.

It's good practice to leave the whistle & safety valve loose when the engine's not in use but you don't really need to actually remove the whistle so I tend not to.


That is a very good tip plus perhaps keeping a drop of oil on the threads.

Stuart
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