The Komatsu PC400-7 and PC450-7 hydraulic excavators represent the robust Dash 7 Series, engineered for demanding construction and earthmoving applications. These machines are powered by efficient, turbocharged, intercooled, direct injection diesel engines, with the PC400-7 utilizing the Komatsu SAA6D114E-3 and the PC450-7 equipped with the Komatsu SAA6D125E-3. Their hydrostatic, electronically controlled transmissions ensure precise power delivery and responsive travel speeds. Built with exceptional engineering quality and designed for reliability, these excavators offer substantial operating weights and advanced hydraulic systems featuring variable displacement piston pumps to deliver high flow rates for optimal productivity. The inclusion of a ROPS-certified cabin underscores the commitment to operator safety and comfort.
This Workshop Service Manual, provided in English, serves as a comprehensive guide for the maintenance and repair of the Komatsu PC400-7 and PC450-7 hydraulic excavators. It covers essential areas including detailed maintenance procedures, troubleshooting guidance, technical specifications, and critical safety information. Owners, mechanics, and technicians will find the information within this manual invaluable for ensuring the optimal performance, longevity, and safe operation of their equipment. The manual details fluid capacities, filter replacement intervals, and insights into the structure and function of key systems such as the engine and hydraulics, empowering users to perform necessary upkeep and address potential issues effectively.
## Komatsu PC400-7 & PC450-7 Hydraulic Excavator Service Manual
Get the **complete official service manual** for your Komatsu PC400-7 or PC450-7 Hydraulic Excavator. This comprehensive guide will help you maintain, repair, and troubleshoot your machine with confidence.
**This manual covers:**
* **All models:** PC400-7, PC400LC-7, PC450-7, and PC450LC-7 with specific serial number ranges.
* **General information:** Specifications, weight tables, fuel, coolant, and lubricants.
* **Structure and function:** Detailed explanations of each system and component, from the engine control to the hydraulic system.
* **Testing and adjusting:** Step-by-step instructions for measuring, testing, and adjusting various components.
* **Disassembly and assembly:** Complete breakdowns of every system with detailed illustrations showing each step.
* **Maintenance standards:** Guidelines for routine maintenance and inspection procedures.
* **Electrical troubleshooting:** Simplify diagnosing and repairing electrical problems with detailed wiring diagrams.
**Why choose this manual?**
* **User-friendly:** Clear instructions, detailed illustrations, and organized content make it easy to find the information you need.
* **Save time and money:** Perform repairs yourself, avoiding expensive service bills.
* **Digital format:** Instant access, printable, and works on both Windows and Mac computers.
* **No shipping costs:** Download the manual directly and start using it immediately.
**This manual is perfect for:**
* Do-it-yourselfers wanting to save money and learn about their excavator.
* Experienced mechanics seeking detailed technical information and repair procedures.
**Download your copy now and get the most out of your Komatsu PC400-7 or PC450-7 Hydraulic Excavator!**
**Product details:**
* **File format:** PDF
* **Language:** English
* **Printable:** Yes, without restrictions
* **Delivery:** Download link provided after purchase
* **Requirements:** Free Adobe PDF Reader
## Komatsu PC400-7 & PC450-7 Hydraulic Excavator Service Manual
Get the **complete official service manual** for your Komatsu PC400-7 or PC450-7 Hydraulic Excavator. This comprehensive guide will help you maintain, repair, and troubleshoot your machine with confidence.
**This manual covers:**
* **All models:** PC400-7, PC400LC-7, PC450-7, and PC450LC-7 with specific serial number ranges.
* **General information:** Specifications, weight tables, fuel, coolant, and lubricants.
* **Structure and function:** Detailed explanations of each system and component, from the engine control to the hydraulic system.
* **Testing and adjusting:** Step-by-step instructions for measuring, testing, and adjusting various components.
* **Disassembly and assembly:** Complete breakdowns of every system with detailed illustrations showing each step.
* **Maintenance standards:** Guidelines for routine maintenance and inspection procedures.
* **Electrical troubleshooting:** Simplify diagnosing and repairing electrical problems with detailed wiring diagrams.
**Why choose this manual?**
* **User-friendly:** Clear instructions, detailed illustrations, and organized content make it easy to find the information you need.
* **Save time and money:** Perform repairs yourself, avoiding expensive service bills.
* **Digital format:** Instant access, printable, and works on both Windows and Mac computers.
* **No shipping costs:** Download the manual directly and start using it immediately.
**This manual is perfect for:**
* Do-it-yourselfers wanting to save money and learn about their excavator.
* Experienced mechanics seeking detailed technical information and repair procedures.
**Download your copy now and get the most out of your Komatsu PC400-7 or PC450-7 Hydraulic Excavator!**
**Product details:**
* **File format:** PDF
* **Language:** English
* **Printable:** Yes, without restrictions
* **Delivery:** Download link provided after purchase
* **Requirements:** Free Adobe PDF Reader
