Kobelco SK300LC Mark IV Excavator Service Manual
Comprehensive service manual for the Kobelco SK300LC Mark IV Excavator, featuring detailed diagrams and part numbers for efficient maintenance and repair. PN YN50VU0001D5, YN50VU0001D3.
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Models Covered & Key Technical Specifications
Practical Training Shop Manual: Kobelco SK300LC Mark IV Excavator (YN50VU0001D5) - Official Service & Maintenance Guide with Serial-Number Coverage YCU0603, YCU0607, ASN YCU0611
The most practical training shop manual is available for your Kobelco SK300LC Mark IV Excavator. | Structured Automotive Catalog.
- Reference Capacity Limits: The swing motor requires 4.5 gallons of hydraulic oil for optimal operation Framework.
- Integral Technical Resolution Data: 385 Kgf/cm² establishes the maximum pressure throughput Threshold.
- General Specifications: 10 ft-lbs of torque is specified as the baseline requirement for assembly sequences.
- Certified Operational Standards: 12.7 mm is measured at the standard tube outer diameter Benchmarks.
- Factory Fluid Capacities: The fuel tank capacity is 45 gallons for standard operation Requirements.
- Established Performance Metrics: 25 ppm signifies the maximum throughput Parameters.
Professional Workshop Service Manual & Technical Specifications
Practical Training Shop Manual: Kobelco SK300LC Mark IV Excavator - Official Service & Maintenance Guide with Serial-Number Coverage YCU0603, YCU0607, ASN YCU0611
| Documentation-Type: Shop Manual // Unit-Designations: Excavator / SK300LC Mark IV Logic // Service-Level: Practical Training | Specification | Technical-Path | Context |
|---|---|---|---|
| Filter List | 004-49 | Components for hydraulic and fuel systems | |
| Hydraulic Components | 005-01A to 005-01J | Tube sleeves, nuts, plugs, caps, and special wrenches | |
| Frame Assembly | 011-49 | Upper frame components and rework | |
| Counterweight & Swing Motor | 015-57, 025-49 | Counterweight assembly and swing motor | |
| Hydraulic & Fuel Tanks | 041-49, 045-49 | Hydraulic and fuel tank components |
Factory procedures are documented for the various systems and components of the Kobelco SK300LC Mark IV Excavator, covering models from 1992-1998 with serial numbers YCU0603, YCU0607, and ASN YCU0611. This manual details the hydraulic system, including lines, valves, and pumps, as well as engine components, electrical systems, and operator controls.
Detailed Component Documentation
Detailed procedures are provided for the cab assembly, floor plates, seat group, and guards. The manual also covers engine covers, bottom covers (tropical and standard), and travel reduction assemblies. Specific sections address the pilot control valve, solenoid valve assemblies, overload valves, and relief valves.
System Schematics and Maintenance
System schematics are included for the control lines, including those for nibbler, breaker, thumb bucket control, boom safety, and arm safety. Maintenance procedures for the travel motor, swing motor, and hydraulic pump are clearly outlined.
Table of Components
| Specification | Technical-Path | Context |
|---|---|---|
| Filter List | 004-49 | Components for hydraulic and fuel systems |
| Hydraulic Components | 005-01A to 005-01J | Tube sleeves, nuts, plugs, caps, and special wrenches |
| Frame Assembly | 011-49 | Upper frame components and rework |
| Counterweight & Swing Motor | 015-57, 025-49 | Counterweight assembly and swing motor |
| Hydraulic & Fuel Tanks | 041-49, 045-49 | Hydraulic and fuel tank components |
| Cab Installation | 051-49, 051-49A | Cab assembly and floor plate components |
The manual documents torque specifications for fasteners to ensure proper fastener fatigue prevention.
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