[AT] grease in steering gearbox

[Bigdog]

It's an expansion plug Rog.  I believe Welch is credited with it's development.

Bigdog
  ----- Original Message ----- 
  From: Roger Welsch 
  To: Antique tractor email discussion group 
  Sent: Thursday, June 09, 2005 8:45 AM
  Subject: Re: [AT] grease in steering gearbox


  Welch plug?  Has my fame spread?  Word of my recent health problems?  What
  is a Welch plug?  And please, no smart remarks.....