The general activities on these safety bodies consist of:
• Washing;
• Breaking down of bogies and related parts;
• Sandblasting;
• Dimensional frame control and oscillating beam with DEA system;
• Full frame painting;
• Primary and secondary suspension coil spring load tests
single/spring packs and “Chasse” detection with diagram emission of
compression and rebound;
• Radial and/or axial silent-block load tests;
• Vertical, transverse and nosing force shock absorbers fatigue tests;
• Secondary suspension membrane overhaul;
• Testing of sealing structures of the skeleton of the bogies;
• Bogies pneumatic system tightnesstest with ATC equipment;
• Brake cylinders overhaul;
• Final testing of bogie by pressing with report of wear evidence.