This Parts & Service Repair Manual provides comprehensive information for the National Vendors BFV2, a device designed for efficient US Dollar bill validation. Engineered with a robust roller and belt transport system, it utilizes magnetic, optical, and infrared technologies to accurately process currency. The BFV2 is built for reliability in demanding environments, ensuring secure and accurate transactions. Its integration capabilities with various vending machine protocols, including MDB, Pulse, and Serial, highlight its versatility and adaptability.

This manual serves as an essential resource for maintaining the National Vendors BFV2. It details critical parts identification, including the bill validator module, bill stacker, control board, and sensors, alongside BFV2-specific part numbering. Comprehensive service procedures cover disassembly and reassembly, with guidance on common issues such as bill jams and recognition errors. Essential maintenance information, including recommended cleaning agents like isopropyl alcohol and calibration guidelines, is also provided. Wiring diagrams are included to assist with electrical troubleshooting and system understanding, empowering owners and technicians to ensure optimal performance.