Kobelco SK135SR-7 SK140SR LC-7 SK140SR L-7 Operator Manual
Introduction
The Kobelco SK140SRLC-7 Hydraulic Excavator represents a pinnacle of engineering excellence, designed to deliver superior performance in various construction and excavation tasks. To maintain its optimal functionality and extend its service life, it is imperative to adhere to the guidelines outlined in the official service and repair manual. This comprehensive guide delves into the critical aspects of the SK140SRLC-7, providing detailed insights into its specifications, maintenance procedures, system operations, disassembly processes, troubleshooting techniques, engine specifics, and optional installations.
Specifications of the Kobelco SK140SRLC-7
Understanding the technical specifications of the SK140SRLC-7 is fundamental for effective operation and maintenance. The excavator boasts the following key specifications:
- Operating Weight: Approximately 14,000 kg
- Engine Model: [Specific engine model, e.g., Hino J05E]
- Engine Power: [Specify horsepower, e.g., 100 kW at 2,000 rpm]
- Bucket Capacity: [Specify range, e.g., 0.5 to 0.7 cubic meters]
- Maximum Digging Depth: [Specify depth, e.g., 5.5 meters]
- Hydraulic System Pressure: [Specify pressure, e.g., 34.3 MPa]
These specifications are crucial for operators and technicians to ensure the machine is utilized within its designed parameters, thereby preventing undue wear and tear.
Kobelco SK135SR-7 SK140SR LC-7 SK140SR L-7 Operator Manual
Maintenance Procedures
Regular maintenance is vital to uphold the excavator’s performance and longevity. The service manual outlines a comprehensive maintenance schedule, including:
- Daily Inspections:
- Check engine oil levels and replenish as necessary.
- Inspect hydraulic fluid levels and look for leaks.
- Examine the air filter and clean or replace if clogged.
- Assess the undercarriage for debris and wear.
- Periodic Maintenance:
- Every 250 Hours:
- Replace engine oil and oil filter.
- Lubricate all grease fittings.
- Inspect and tighten track tension.
- Every 500 Hours:
- Replace hydraulic oil filter.
- Check and adjust valve clearances.
- Inspect the cooling system and clean the radiator.
- Every 1,000 Hours:
- Replace hydraulic fluid.
- Inspect swing gear and bearing; apply grease as needed.
- Check electrical systems and battery condition.
- Every 250 Hours:
Adhering to this maintenance schedule ensures the excavator operates efficiently and reduces the risk of unexpected breakdowns.
System Operations
The SK140SRLC-7 is equipped with advanced systems that require thorough understanding for proper operation:
- Hydraulic System:
- Main Pump: Supplies pressurized fluid to various actuators.
- Control Valves: Direct hydraulic flow to specific components.
- Cylinders: Convert hydraulic energy into mechanical motion.
