|This is the crack that we found on the frame plate underneath the LH Driving Hornblock. It extends between the two bolt holes and disappears down into the plate. The full extent will be confirmed by NDT and then it will be ground out and rewelded.|
Saturday, 30 January 2016
Here are some pictures from the work done on 828 in the past few days. We removed the cracked LH Driving Hornblock from the loco and then put a heavy jack in place to give the frame some temporary support. When we inspected the frame plate we found an old repair dating back to BR days (or earlier). The frame plate has cracked in the area where the repair was made. Not a big problem - our welding contractor has looked at it and is confident that modern welding will do a proper job.. In the meantime we've confirmed that a foundry in Central Scotland can use the damaged LH Driving Hornblock to make a pattern and cast a new component in the correct grade of steel. Mr Graham King and Mr Paul Blount both have copies of the BR material specifications for ex-LMS locomotives and the foundry will be able to identify the appropriate current specification that aligns best with the 1940 standard quoted in the BR publication..