Hitachi EX135UR Excavator Operator's Manual (Serial No. 002392 and up) - (P/N PN EM1ED-EN2-2)

• Covers 1999 Hitachi EX135UR Excavators, serial numbers 002392 and up
• Details standard bucket, arm, and hydraulic system controls
• Official Hitachi construction machinery publication (P/N EM1ED-EN2-2)
• Contains 249 pages of system descriptions, operational layouts, and safety protocols
• Primary reference for early-production units, documenting initial control layouts and safety system integration

Operational Systems and Controls

Heavy equipment operators need to know exactly where every control is located. This manual breaks down the operator's station comprehensively, providing clear walkthroughs of the monitor panel indicators—such as engine oil pressure, coolant temperature, and fuel levels. It also details integrated features like the auto-idle, economy mode, and bucket-cab collision prevention systems. Understanding these setups ensures you can adapt to different site conditions quickly. Always review the included safety alert symbols and signal words before operating near power lines or on steep slopes to prevent accidents and equipment damage.

Navigating daily routines requires accurate factory data. The guide outlines precise start-up procedures, travel techniques, and emergency exit methods. It clarifies the exact function of the pilot control shut-off lever, fuse box circuitry, and cabin climate controls. For workshop planning, the maintenance summaries map out periodic service intervals and hydraulic system inspections. Handling hazardous fluids, proper storage protocols, transport, and towing are fully documented to keep operations running smoothly.

System Identification and Technical Data

When servicing this machine, you need exact parameters rather than guesswork. The documentation sets the engine break-in operation speed at 1000 RPM. Safe operating temperatures range from -20 to 40°C. If you are inspecting the hydraulic swing internal gear, the fluid capacity is listed strictly at 5 liters. Furthermore, the electrical system is rated to handle auxiliary loads up to 15 A.