[modeleng] Re: Having a nice seat for your ball(s)

Hi Pete
I had a Bagnall same as your once and it had the same problem. I found that
by holding the clack in the 4 jaw an end mill could be used to clean  the
ball seat up. If you then pass a reamer through the passage below you get a
nice square edged seat and hopefuly no more problem. The other mod I made
was to the axel pump bypass valve. As designed it can be a bit flakey. Use
the body of said valve as a t piece but get a comercial ball valve to act as
the bypass valve between it and the tank return.

Andy
----- Original Message -----
From: "Peter Sheppard" <peter.sheppard@xxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Monday, April 25, 2005 12:03 PM
Subject: [modeleng] Having a nice seat for your ball(s)




No, this is not a joke about a bloke with a Rolls Royce and golf tees!

On my latest locomotive (the Bagnall, Shirley), I have a problem with the
injector clacks leaking steam back through the injector and over a period of
time, making it too hot to operate (and without a handpump and a marine
boiler
i.e. can't drop the fire!), life can get really interesting when the water
is
below the bottom nut!

I have removed one clack (it's huge!) However, the question is, do I burnish
the seat or belt it!

Comments please

Cheers

Peter

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