Hitachi Zaxis Zx 870lc-5g Excavator Workshop Service Repair Manual

Hitachi Zaxis Zx 870lc-5g Excavator Workshop Service Manual

The new ZAXIS offers enhanced basic performance, in addition to a sophisticated hydraulic control system like HIOS IIIB.
For example, the boom circuit of the control valve was changed to an external flow combining circuit from the internal one to reduce energy loss when raising or lowering the boom. In addition, the power- boosting pressure function was enhanced to increase basic performance.

Comfortable operating environment
∙ Comfort-designed operator seat
∙ Robust cab
∙ New, easy-to-use multifunction monitor
∙ Prestige R&D and quality control
∙ Durable, reliable engine
∙ Rock-solid, durable front attachment
∙ Strengthened undercarriage
∙ Strengthened upperstructure D-section skirt
Hitachi Zaxis Zx 870lc-5g has earned praise for technological prowess and product performance around the world.
R&D Division has a track record – including excellent design, stress analysis expertise using CAE system, and abundant production data base. What’s more, a large-scale durability test field (427 hm2) allows for a series of stringent testing of new machines.
Production Division strives to automatize production processes, including robotic welding, machining, painting, assembling and transferring.

Hitachi Zaxis Zx 870lc-5g Excavator Workshop Service Repair Manual

Swift Front Movements with HIOS

* IIIB Hydraulics
Operating speed increases with less fuel consumption thanks to the HIOS IIIB hydraulic system, developed by industry-leading hydraulic technologies and a wealth of experience.
*Human & Intelligent Operation System
Improved Arm Controllability
Improved arm controllability for level luffing and level crowding for front movements, including swing operations. The boom regenerative circuit using the boom weight and the newly adopted variable orifice of the swing circuit help ensure hydraulic oil can be effectively allocated and pressure loss can be reduced.

Durable, Reliable Engine
This engine has a track record showing impressive durability at countless tough job sites around the world.
The engine — associated with a rugged design, a direct fuel injection system and an elaborate governor — goes green, and complies with EU Stage II and US EPA Tier 2 emissions regulations.
A simple cooling system, consisting of a radiator and oil cooler, facilitates smooth cooling air flow for improved cooling efficiency. The combination of a 235 kW (315 HP) engine and the new HIOS IIIB hydraulic system meets requirements, in terms of both output and fuel consumption.

Hitachi Zaxis Zx 870lc-5g Excavator Workshop Service Repair Manual

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HITACHI ZAXIS ZX 870LC-5G Excavator Workshop Service Repair Manual