KOBELCO SK40SR (SN PH00101-) & SK45SR (SN PY06001-) HYDRAULIC EXCAVATOR SHOP MANUAL (S5PH0001E-00)

Kobelco SK40SR (SN PH00101-) & SK45SR (SN PY06001-) Hydraulic Excavator Shop Manual S5PH0001E-00

This comprehensive shop manual provides in-depth technical guidance for inspection, maintenance, troubleshooting, and repair of Kobelco SK40SR and SK45SR compact hydraulic excavators. It delivers detailed system explanations, performance standards, and step-by-step service procedures to support accurate diagnostics and reliable machine operation for professional technicians.

Model Covers:

Kobelco SK40SR Hydraulic Excavator — S/N PH00101-
Kobelco SK45SR Hydraulic Excavator — S/N PY06001-

File Format: PDF

Size: 63.30 MB

No. of pages: 753

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Table of Contents Overview:

Safety, General Information & Specifications

• Safety precautions, general machine information and component identification
• General dimensions, machine specifications and performance data
• Shoe and bucket types, attachment working ranges and lifting diagrams
• Engine specifications and characteristic curves

Location, Weights & Maintenance Standards

• Component locations and dry weights for machine and attachments
• Lifting procedures for complete machine handling
• Performance inspection standards for SK40SR and SK45SR
• Test procedures for engine speed, hydraulic pressure, travel, slewing and attachment performance
• Slewing bearing performance measurement and evaluation

Working Standards & Technical Data

• Tightening torques for bolts, nuts, sleeves and tube fittings
• Special spanners, screw size and tool size references
• International unit system, conversion charts and abbreviations
• Application of screw locking and sealing compounds

Hydraulic System

• Hydraulic circuit layouts, component models and functional explanations
• Neutral, travel, slewing, bucket, boom, arm and swing circuits
• Dozer and combined circuits, pilot piping and main piping
• System operation principles for precise hydraulic diagnostics

Upper Structure

• Canopy/cab, guards, stands and counterweight assemblies
• Fuel tank, air cleaner, muffler, radiator and heater systems
• Hydraulic pump, control valve, slewing unit and upper frame installation
• Engine installation procedures for SK40SR and SK45SR

Travel System

• Rubber and steel crawler removal, installation and construction
• Upper and lower rollers, front idler and idler adjuster servicing
• Sprocket, travel unit, swivel joint and slewing bearing procedures
• Maintenance standards and specialized tools for undercarriage components

Attachment Structures

• Bucket, arm, boom and boom swing removal and installation
• Dozer assembly service and maintenance standards
• Hydraulic cylinder removal, piping, inspection and air bleeding

Control & Electric Systems

• Operator control layout, switches and monitor panel operation
• Engine control construction and operation
• Electrical circuit diagrams and major electrical equipment
• Main, engine, cab and auxiliary harness assemblies
• Relay assemblies, working light and optional harness systems

Troubleshooting & Diagnostics

• Diagnostic flow and trouble judgment procedures
• Engine, pump, travel, slewing and attachment troubleshooting guides
• Corrective actions based on performance measurements

Hydraulic Components & Drive Units

• Hydraulic gear pumps and main pumps for SK40SR and SK45SR
• Control valves, pilot valves and solenoid valves
• Slewing motors, travel motor units and swivel joints
• Hydraulic cylinders and slewing reduction units
• Specifications, construction, removal, installation and maintenance standards

Engine Service (3TNE88 & 4TNE88)

• Specifications, performance data and cross-sectional views
• Cooling, lubrication and fuel system service
• Compression testing and fault diagnosis
• Measurement, inspection and adjustment procedures
• Disassembly and reassembly with service data and tightening torques
• Fuel injection pump and governor servicing
• Emission-related service information

This Kobelco SK40SR & SK45SR Shop Manual is an essential technical reference for achieving accurate repairs, systematic diagnostics, and long-term operational reliability of these compact hydraulic excavators.

Note: This manual applies exclusively to Kobelco SK40SR excavators with serial number PH00101- and SK45SR excavators with serial number PY06001-. Always confirm your machine serial number before performing service or diagnostics.