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The initial test steaming highlighted a few problems that had not shown up on visual examination or hydraulic testing.
After replacing a few of the new foundation ring rivets which were leaking, grinding out and welding up a small crack on a back shoulder, test steamings were resumed, however the rear firebox lap seam would not settle down. Further investigation showed that the steel set screws were in a worse condition than previously thought, and a small crack on the rear lap seam was also found.
We had hoped this seam would last for several more years, so it was decided to replace them with copper set screws and weld up both the crack and the seam itself. After a lot of hard work and set screw rage, the work on this seam was eventually completed, and test steamings once again resumed.
This culminated in a successful steam insurance test on Monday the 14th April.
After replacing a few of the new foundation ring rivets which were leaking, grinding out and welding up a small crack on a back shoulder, test steamings were resumed, however the rear firebox lap seam would not settle down. Further investigation showed that the steel set screws were in a worse condition than previously thought, and a small crack on the rear lap seam was also found.
We had hoped this seam would last for several more years, so it was decided to replace them with copper set screws and weld up both the crack and the seam itself. After a lot of hard work and set screw rage, the work on this seam was eventually completed, and test steamings once again resumed.
This culminated in a successful steam insurance test on Monday the 14th April.
By Info | Monday, April 14, 2003 | Tags : 45305