## The Komatsu PC228US Series Hydraulic Excavator: A Powerful and Versatile Workhorse
**Introduction**
The Komatsu PC228US Series Hydraulic Excavator is a versatile and highly productive machine designed for a wide range of construction, mining, and industrial applications. With its combination of power, precision, and reliability, the PC228US Series is a trusted choice for professionals seeking exceptional performance and efficiency.
**Engine and Hydraulics**
At the heart of the PC228US Series lies a powerful Komatsu SAA4D107E-2 engine, delivering up to 139 net horsepower (104 kW). This Tier 4 Final-compliant engine provides ample torque and power for demanding digging and excavation tasks. The engine is complemented by a sophisticated hydraulic system featuring a closed-center, load-sensing design. This system optimizes hydraulic flow and pressure, ensuring precise control, fast cycle times, and reduced fuel consumption.
**Excavation System**
The PC228US Series features a robust excavation system designed for exceptional digging performance. The heavy-duty boom and arm are constructed from high-strength steel, providing stability and durability. The boom can extend up to 22 feet (6.7 meters), while the arm reaches a maximum length of 15 feet (4.6 meters). The machine's digging depth of up to 20 feet (6.1 meters) and maximum breakout force of 24,600 pounds (110 kN) enable it to tackle challenging digging operations with ease.
**Operator Comfort and Control**
The PC228US Series is designed to provide operators with exceptional comfort and control. The spacious operator's cab offers ample legroom, headroom, and visibility. The intuitive controls and ergonomic seat ensure fatigue-reducing operation throughout long work shifts. The cab also features a user-friendly LCD monitor that provides vital machine information, including engine speed, hydraulic pressure, and fuel level.
**Versatility and Attachments**
The PC228US Series is a remarkably versatile machine that can be adapted to a wide range of applications. Its quick-coupler system allows for easy attachment changes, enabling the excavator to perform tasks such as grading, trenching, demolition, and material handling. A variety of attachments, including buckets, hammers, and grapples, can be used to enhance the machine's functionality and productivity.
**Reliability and Serviceability**
Komatsu machines are renowned for their reliability and durability. The PC228US Series is built to withstand demanding conditions and provide years of trouble-free operation. The machine's robust construction and high-quality components contribute to its exceptional longevity. Additionally, the excavator's simplified design and convenient service points ensure ease of maintenance and repair, minimizing downtime and increasing productivity.
**Conclusion**
The Komatsu PC228US Series Hydraulic Excavator is a powerful and versatile machine that meets the demands of a wide range of construction, mining, and industrial applications. Its combination of power, precision, and reliability makes it a trusted choice for professionals seeking exceptional performance and efficiency. With its robust excavation system, comfortable and intuitive operator controls, and easy serviceability, the PC228US Series is a true workhorse that delivers exceptional value and productivity.
This manual provides detailed service information, step-by-step repair instruction and maintenance specifications for The Komatsu PC228USLC-1, PC228US-2, PC228USLC-2 Hydraulic Excavator.
This manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
APPLICABLE MODELS :
Komatsu PC228USLC-1 Hydraulic Excavator S/N 11001 and up
Komatsu PC228 US-2 Hydraulic Excavator S/N 15001 and up
Komatsu PC228USLC-2 Hydraulic Excavator S/N 15001 and up
PC228US, PC228USLC mount the S6D102E-1 engine.
For details of the engine, see the 102 Series Engine Shop Manual.
TABLE OF CONTENTS :
GENERAL
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
MAINTENANCE STANDARD
OTHERS
Downloadable : YES
File Format : PDF
Requirements : PDF Reader
Compatible : Windows & Mac
Language : English
Total pages : 660+
This manual mainly contains the necessary technical information for operations performed in a service workshop.
For ease of understanding, the manual is divided into chapters for each main group of components; these chapters are further divided into the following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating "Problems" with "Causes" are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them.
MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts.
The contents of this section may be described in STRUCTURE AND FUNCTION.
OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
In addition, this section may give the specifications of attachments and options together.
* This Manual PDF Compatible with All version Windows PC OS, MAC OS and Linux OS.
* Compression utility needed to extract it first, if PDF locate in the archive (e.g. 7-zip).
