Re: What's the rubber thing for?

[Steve Stegmann <stegmann@domain.elided>]

Tom,

With all due respect.  I don't think they're shot peening anything.  That
would result in a uniform dimpling of the surface.  Look close!  Looks
more like it was tumbled in  a barrel of scrap iron.

Steve

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Steven A. Stegmann
     _/_/_/    _/      _/_/_/ "No free man shall ever be debarred the use
   _/    _/   _/_/   _/    _/  of arms.  The strongest reason for the 
   _/        _/ _/   _/        people to retain the right to keep and bear
    _/_/    _/  _/    _/_/     arms is, as a last resort, to protect 
       _/  _/_/_//       _/    themselves against tyranny in government"
 _/    _/ _/    _/ _/    _/    
 _/_/_/  _/     _/ _/_/_/         Thomas Jefferson, June 1776
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On Sat, 19 Jun 1999, Thomas J. Harais wrote:

> Steve:
> 
> I have the same problem.  I think they shot-peen the whole unit and that
> leaves a rounded, rough surface on the mating edge of the top of the M/C
> that the gasket can't keep sealed.
> 
> Landry showed me the solution at NWBRU last year.  Before he installs a
> rebuilt M/C he turns it over on a flat surface with sandpaper, and works it
> back and forth until he has a flat, level top surface again.  Then he cleans
> it up real good and bleeds and installs.  His M/C wasn't leaking at all.
> 
> Hey, somebody forward this memo to an M/C rebuild place so they get the
> idea!
> 
> Tom H.
> 
> 
>