This service repair manual covers the Clark PWD 30-40SE and HWD 30-40SE electric forklifts. These robust machines are engineered for demanding industrial environments, offering reliable performance for a wide range of material handling tasks. Their electric power source ensures efficient operation, making them suitable for applications requiring precise control and consistent power delivery during maintenance, assembly, disassembly, and servicing. The comprehensive design of these forklifts emphasizes durability and operational efficiency. This English-language service repair manual provides essential information for the maintenance, servicing, and repair of your Clark forklift. It includes detailed sections on the wiring, electric motors, contactors, motor controls, drive unit, brake system, caster assembly, hydraulic system, lift cylinders, lift linkage, load wheels, sheet metal, battery, and general specifications. Furthermore, it covers periodic service schedules and troubleshooting procedures, equipping owners, mechanics, and technicians with the knowledge necessary to ensure optimal performance and longevity of the PWD 30-40SE and HWD 30-40SE models.