Hitachi EX200-5, EX200LC-5, EX220-5, EX220LC-5, EX230LC-5, EX270-5 and EX270LC-5 Excavator OEM Workshop Manual 1995–1998 (P/N 157W-1-1)

• Covers 1995–1998 Hitachi EX200-5, EX200LC-5, EX220-5, EX220LC-5, EX230LC-5, EX270-5, and EX270LC-5 excavators with precise sub-model identification.
• Official Hitachi construction machinery publication 157W-1-1.
• Features 87 exploded-view diagrams, 14 specialized torque tables, and clearance charts for accurate rebuilds.

Component Assembly and Maintenance Walkthrough

This comprehensive 1,159-page technical workshop reference is the primary resource for the listed hydraulic excavators. It delivers the specific assembly data entirely missing from standard operator handbooks. You get an exhaustive breakdown of the upperstructure, pump device, control valves, and swing components. Need to tackle a complex tear-down? The manual isolates these systems, presenting clear disassembly and installation requirements. Mechanics will find exact guidance on managing hydraulic system pressure, seal replacements, and mounting torque for massive structural elements like the main frame and counterweight. Splines, gears, and servo mechanisms demand precise alignment. This guide maps out that logical removal and reassembly process step-by-step. Plus, with the instant download format, you can pull up a critical schematic on your tablet right next to the machine without waiting on shipping.

Specification Highlights

Expect extensive torque charts categorized by bolt grade and application. It also provides strict maintenance standards for gear backlash and plunger tolerances. Main pump maintenance is heavily documented inside. You will find specific procedures for center shaft alignment, bearing preload adjustments, and seal health checks. It strictly covers 30° and 37° union joint torque values alongside T-bolt and worm-gear hose clamp specifications. Heavy equipment repair carries inherent risks, especially around pressurized systems. Always ensure safety protocols are followed and consult a certified technician if you are unsure about high-pressure hydraulic procedures or heavy load lifts.