This manual covers the Clark ESX 12-25 Forklift, part of the ESX250 series. Designed for efficient material handling, this electric forklift offers a lift capacity ranging from 1200 to 2500 lbs, depending on the specific sub-model. Its electric power source and robust construction ensure reliability and performance in various operational environments. The ESX series is engineered for dependable service, making it a valuable asset for demanding industrial applications. The purpose of this Factory Service/Repair/Workshop Manual, code SM-718, is to provide comprehensive guidance for the maintenance and repair of the Clark ESX 12-25 Forklift. It includes detailed information on electrical systems, motor overhauls, transmission controls, and troubleshooting procedures. Owners, mechanics, and technicians will find essential data on battery service, wiring, schematics, control systems, and factory settings. This manual is designed to facilitate proper upkeep and efficient problem resolution, ensuring the continued optimal performance of your equipment.