About this manual

This Shop Manual has been written in a format that is designed to meet the needs of Komatsu technicians worldwide and to assist them in the efficient repair, service, and troubleshooting of Hydraulic Excavator PC400LC -7L models.

Each section has many illustrations, diagrams, and schemes for Komatsu Hydraulic Excavator PC400LC -7L models. Easy-to-read diagrams, schemes, and pictures with descriptions will help you with the implementation of any procedures on your Komatsu equipment.

This shop 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.

This shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following sections. These sections are further divided into the main groups of components.

• GENERAL
  • This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant, and lubricant specification charts.
• 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, ADJUSTING AND TROUBLESHOOTING
  • 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” to “Causes” are also included in this section.
• DISASSEMBLY AND ASSEMBLY
  • This section explains the order to be followed when removing, installing, disassembling, or assembling each component, as well as precautions to be taken for these operations.
• MAINTENANCE STANDARD
  • This section gives the judgment standards when inspecting disassembled parts.

Manual details

Manufacturer: Komatsu
Manual type: Shop manual
Equipment type: Hydraulic excavator
Models: PC400LC -7L
Document number: CEBM012503
Publication date: Jan 2011
Language: English
Page count: 826

Product highlights:

Electrical systems/ Hydraulic systems
Electrical and hydraulic diagrams separate schematic sections included in the PDF. This manual includes a table of symbols to help you understand electrical and hydraulic diagrams. 
Applicability and key coverage
Supported models: PC400LC -7L
Engine identified in the source: ENGINE SAA6D125E-3

PRODUCT PUBLICATIONS INFORMATION

Various product Parts and Service Publications are available to all KOMATSU construction equipment owners, including operation and maintenance manuals, parts books, and service manuals. Special publications, such as service tools, air conditioning, and turbocharger service manuals, are also available, as well as selected Operation and Service manuals in foreign languages. The Publications listed are available for this particular machine.

Manual contents

• 01 GENERAL
• 10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 20 TESTING, ADJUSTING AND TROUBLESHOOTING
• 30 DISASSEMBLY AND ASSEMBLY
• 90 OTHER

Capabilities

The manual comes in PDF format with 826 pages for reading. The last thing left is to click on Buy Now and use this tutorial at any time when you need to perform any procedures with your device. To view, the information requires the Adobe PDF Reader program

The source outline indexes servicing instructions and maintenance. Use these source-backed headings to locate the applicable service or repair topic in the source PDF, then confirm model-specific notes, specifications, illustrations, and operating conditions at the relevant page before carrying out service or repair work. Keep the source's safety sequence, prerequisite steps, labels, units, configuration notes, and footnotes with the selected task; do not apply an isolated value outside the conditions stated in the manual.

Delivery

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References 

Komatsu Hydraulic Excavator PC400LC -7L Shop Manual, document code CEBM012503, PDF edition.