Hitachi Ex8000 Excavator Workshop Service Repair Manual

Hitachi Ex8000 Excavator Workshop Service Repair Manual.

Hitachi Ex8000 Excavator Workshop Service Repair Manual
Hitachi’s ETS (Electronic Total control System) can achieve maximum job efficiency by reducing fuel consumption and noise levels, while maximizing productivity through the optimization of engine-pump functions with excellent controllability increasing operator comfort.

• E-P Control (Computer-aided Engine-Pump Control system)
  Main pumps regulated by electric engine-speed sensing control system.
• I-OHS (Integrated Optimum Hydraulic System)
  LD:16 main pumps and 6 control valves and 2 set of flow-assistingvalves enable both independent and combined operations of allfunctions.
  BH:16 main pumps and 8 control valves.
• FPS (Fuel-saving Pump System)
  FPS minimizes energy loss with superior performance in fine control.
• Auto-Idling system for saving fuel and reducing noise.
• Hydraulic drive cooling-fan system for oil cooler.
• Hydraulic drive cooling-fan system for radiator.
• Forced-lubrication and forced-cooling pump drive system.

Hitachi Ex8000 Excavator Workshop Service Repair Manual

High-strength piston rods and tubes adopted. Cylinder cushion mechanisms are provided for boom, arm, bucket and dump cylinders. Stroke-end control system is provided for arm, bucket cylinders.
Bucket cylinders are provided with protector.