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SE3 Restoration - leaky old thing?
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flywheel61


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Joined: 12 Nov 2006
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Location: australia

PostPosted: Sat Mar 22, 2008 9:32 pm    Post subject: Reply with quote

Toxx wrote

Quote:
I tried to unscrew, but the thing just rotates. Does anybody know what this is?


If the whistle just rotates - and won't unscrew, it means that the whistle collar solder has broken and the collar , has come away from the boiler. There's no point in firing it, because it won't build preasure.  The steam will only leak around the broken collar seal.  

I've just had the same problem with another SE3 and the only way to fix it is to take the end cap off closest to the whistle collar.  Then get a pair of long nosed pliers and grip the round collar and undo the whistle from there.  You might have to turn the boiler upside down and soak the collar and whistle threads in penetratiing oil first , for a while.  If it still won't come undone by doing that you might have to give it a blast from a gas torch.

For resoldering follow MM's guide in the library - you may as well do the patching job on the othe other end cap at the same time.

Good luck

Cheers    

Chris
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toxx


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PostPosted: Sun Mar 23, 2008 12:49 pm    Post subject: Reply with quote

... it's the washer that rotates, not the valve.
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Mamodman123


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PostPosted: Sun Mar 23, 2008 4:00 pm    Post subject: Reply with quote

toxx wrote:
... it's the washer that rotates, not the valve.


Need to tighten the valve up then so it won't leak!
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flywheel61


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Joined: 12 Nov 2006
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Location: australia

PostPosted: Sun Mar 23, 2008 10:07 pm    Post subject: Reply with quote

toxx wrote

Quote:
... it's the washer that rotates, not the valve.


Ah, OK, my mistake,  I'd try and steam it first, the washer may have just perished a bit with age.  if it doesn't leak, it's fine.  If it does leak it means that you will have to undo the cylinder face plates from thier mounts  and bend the steam pipe near the regulator upwards and away from the boiler so you can tighten it.  If you are going to do that you may as well replace the washer.  Be very careful of the steam pipe where it joins the regulator as I've had one pipe break out of the solder, thus necessitatng further work.

Good luck

Cheers    

chrsis
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Mister Occlusion


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Joined: 28 Jul 2007
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PostPosted: Sun Mar 23, 2008 10:38 pm    Post subject: Reply with quote

When I went to fix my SE3 end cap I couldn't get it off.  I blasted the bugger with a MAPP torch even until the lacquer blackened, then went around the lip with a wood dowel and mallet, and the bugger just would not shift.

Either I've got a silver soldered boiler or that cap is one hell of a tight press fit.  

I just globbed some solder on the outside after that...

Tom.  On mine I fired it a few times before the corroded area began to leak.  It was just a fine mist coming out of it first, then it quickly went to a fine spray of water.  Shortly after that a second area developed a pin hole.

They are hard to spot.  I never saw the holes amid the corrosion myself.
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Stilldrillin


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Joined: 06 Feb 2007
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PostPosted: Mon Mar 24, 2008 8:38 am    Post subject: Reply with quote

Mamodman123 wrote:
toxx wrote:
... it's the washer that rotates, not the valve.


Need to tighten the valve up then so it won't leak!


I found no real problem un-soldering the steampipe at the regulator, then fitting a new washer, not overtightening.......  

A few weeks later, the new washer was leaking.........

I now assemble regulators using Golden Hermetite non hardening gasket compound.

It works.......  
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Bubba


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PostPosted: Mon Mar 24, 2008 4:15 pm    Post subject: Reply with quote



Last edited by Bubba on Mon Apr 28, 2008 7:34 am; edited 1 time in total
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toxx


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PostPosted: Mon Mar 24, 2008 7:15 pm    Post subject: Reply with quote

... a pin-hole can also be treated as such: Drill a hole through it, and cut in a thread. Then screw in a bolt with a washer. Doesn't look very attractive, but it works. Like filling a cavity!
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johnreid


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PostPosted: Mon Mar 24, 2008 7:32 pm    Post subject: Reply with quote

I am glad you are not my Dentist
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Mamodman123


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PostPosted: Mon Mar 24, 2008 7:41 pm    Post subject: Reply with quote

johnreid wrote:
I am glad you are not my Dentist


I was thinking the same    
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toxx


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Joined: 23 Jun 2007
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Location: Vienna, Austria

PostPosted: Mon Mar 24, 2008 7:41 pm    Post subject: Reply with quote

johnreid wrote:
I am glad you are not my Dentist


... I am a part-time dentist, John. You should see me with my Dremel!

... trouble with your boiler? Now, that's a tooth I can pull!
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