This is a Set-Up, Operation & Maintenance manual for National Vendors Models 147/148/461/462/474/475 & 476 vending machines. The manual provides detailed information on the Set-Up, operation and Maintenance of the machine and how to maintain it for optimal performance. It is a valuable resource for anyone who owns or plans to own this machine. The manual covers various aspects of the machine, including its features, specifications, and usage instructions. With this manual, you can easily understand how to operate and maintain your vending machine and keep it running smoothly.