Hitachi 312350E important safety instructions Assembled / Cutaway View

Page 17

Displacement Pump Repair

107

114

 

 

106

 

 

110†

 

103

 

 

 

7 104

 

106

 

4

102

 

 

 

 

 

 

ti10608a

 

 

 

 

Assembled / Cutaway View

 

 

 

1

Using nut (113), torque the pump cylinder 109 to the extension tube (114) at 45 to 55 ft-lb (61 to 75 N.m).

3

Torque the shovel rod (108) to the piston (102) at 25 to 30 ft-lb (34 to 41 N.m).

4

Torque the piston (102) to the extension rod (107) at 25 to 30 ft-lb (34 to 41 N.m).

7

Assemble with lips facing up.

 

 

 

FIG. 13

1091

1127

111

113

108 3

116

117

ti10609a

312350E

17

Image 17
Contents Dyna-Star Table of ContentsFire and Explosion Hazard Moving Parts Hazard Key InstallationTypical Installation of a Suction Feed System Hydraulic Power Supply Pump Accessories Hydraulic LinesPump Outlet Drain Valve Limit Fluid Flow to ReciprocatorGrounding the Pump GroundingOperation Pressure Relief Procedure Before Starting PumpIf the Pump Leaks at the Fluid Fittings Starting PumpShutdown Maximum Working PressuresRelieve pressure, page 7. Check TroubleshootingProblem Cause Solution Relieve pressure, ServiceReplacing Throat Seals Disconnecting Reciprocator and Displacement Pump Drain Oil Out of Reciprocator Reciprocator RepairAllow 24 hours to cure before operating reciprocator Assembly a When reinstalling cylinder 25, , be sure Disassembly Displacement Pump RepairAssembled / Cutaway View 60a Reciprocator PartsPart No. Description Qty Displacement Pump PartsReciprocator Parts Model Pump Parts120# Drum Length Part No. Description Qty 400# Drum Length Part No. Description QtyTypical Fluid Outlet Pressure Technical DataDimensions and Mounting Hole Layout 312350E Graco Information Graco Standard Warranty

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.