1. The document summarizes various safety items and fittings used in diesel-electric locomotives that should be checked, including the proper functioning of braking systems, speedometers, lights, fire extinguishers, and vigilance control devices. 2. It also lists undercarriage components that must be ensured like rail guards, couplers, buffers, suspension parts and their proper installation and condition. 3. Standard limiting values for different undergear parameters are provided to check components like wheel wear and clearances.