Instructions, Repair and Parts

Dyna-Star®

HYDRAULIC RECIPROCATOR AND PUMP

312350E

- For lubricating fluids only -

10:1 Ratio Universal Pump and Reciprocator

600 psi (4.1 MPa, 41 bar) Maximum Hydraulic Input Pressure 7500 psi (51 MPa, 517 bar) Maximum Fluid Outlet Pressure

Model 247540: Pump, 60 lb Automatic Lube Pump Module Length

Model 247443: Pump, 120 lb Drum Length

Model 247450: Pump, 400 lb Drum Length

Important Safety Instructions

Read all warnings and instructions in this manual.

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Table of Contents

Warnings

2

Installation

4

Operation

7

Troubleshooting

9

Service

10

Reciprocator Parts

18

Pump Parts

20

Technical Data

21

Graco Standard Warranty

23

Graco Information

23

ti10604a

Model 247443 Shown

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Hitachi 312350E important safety instructions Dyna-Star, Table of Contents

312350E specifications

The Hitachi 312350E is a cutting-edge excavator designed for heavy-duty applications in the construction and mining industries. This powerful machine stands out due to its robust design and advanced technological features that enhance productivity, efficiency, and operator comfort.

One of the key characteristics of the Hitachi 312350E is its powerful engine, which delivers exceptional performance while adhering to strict emissions regulations. The high-output engine ensures that the excavator can handle demanding tasks with ease, whether it's digging, lifting, or moving heavy materials. Coupled with a precise hydraulic system, the machine provides smooth and responsive control, allowing operators to perform operations more effectively.

In terms of design, the Hitachi 312350E features a spacious and ergonomic cab that prioritizes operator comfort. The well-designed layout includes adjustable seating, intuitive controls, and excellent visibility, which significantly reduces fatigue during long working hours. The advanced air conditioning system and noise-reducing materials contribute further to a pleasant working environment.

The 312350E is equipped with several advanced technologies that enhance its operational capabilities. Among these features is the Intelligent Machine Control system, which allows for automated digging and grading. This technology increases precision, reduces material waste, and ensures optimal results in various tasks. Furthermore, the machine’s onboard diagnostic system provides real-time insights, helping operators manage maintenance and reduce downtime.

Safety is also a top priority with the Hitachi 312350E. The excavator comes with several protective features such as reinforced structures, a ROPS/FOPS-certified cab, and advanced lighting systems for visibility in low-light conditions. These attributes make it suitable for various job sites, whether urban, rural, or construction-focused.

Finally, the Hitachi 312350E boasts impressive fuel efficiency, which not only reduces operational costs but also minimizes environmental impact. Its design emphasizes sustainability without compromising on performance, making it an ideal choice for contractors looking to balance productivity with environmental responsibility.

Overall, the Hitachi 312350E is a powerful, efficient, and user-friendly excavator that meets the rigors of modern construction and excavation applications. With its blend of advanced technology, comfort, and safety features, it stands as a testament to Hitachi's commitment to quality and innovation in heavy machinery.