Case Cx35b Cx39b 2 Excavator Service Repair Manual
Case Cx35b Cx39b Mini Hydraulic Excavator Series 2 Service Repair Manual
Comprehensive Service and Repair Manual for Case CX35B and CX39B Series 2 Mini Hydraulic Excavators
The Case CX35B and CX39B Series 2 Mini Hydraulic Excavators are engineered for exceptional performance in diverse construction and excavation tasks. To maintain their efficiency and extend operational lifespan, adhering to a rigorous maintenance and repair regimen is essential. This Case Service manual offers an exhaustive guide to servicing and repairing these models, encompassing detailed procedures, specifications, and system overviews.
Table of Contents
- Model Specifications and Identification
- Engine Systems
- Hydraulic Systems
- Electrical Systems
- Undercarriage and Track Systems
- Cab and Operator Controls
- Routine Maintenance Schedule
- Troubleshooting Guide
- Special Tools and Equipment
Case Cx35b Cx39b 2 Excavator Service Repair Manual
Maintenance Procedures
Regular engine maintenance ensures optimal performance and longevity.
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Daily Checks:
- Inspect engine oil levels; replenish as necessary.
- Examine coolant levels and top up if required.
- Assess for any visible leaks or damages.
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Every 250 Hours:
- Replace engine oil and oil filter.
- Clean or replace the air filter element.
- Inspect and adjust the fan belt tension.
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Every 500 Hours:
- Flush and replace engine coolant.
- Inspect and clean the fuel tank breather.
- Check and adjust valve clearances.
Hydraulic Systems
The hydraulic system is pivotal for the excavator’s operational efficiency.
System Components
- Hydraulic Pump: Variable displacement axial piston pump
- Control Valves: Multiple spool valves for precise movement control
- Hydraulic Cylinders: High-strength cylinders for boom, arm, and bucket operations
- Hydraulic Motors: Drive motors for track movement
Maintenance Procedures
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Daily Checks:
- Inspect hydraulic fluid levels; top up if necessary.
- Examine hoses and connections for leaks or wear.
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Every 500 Hours:
- Replace hydraulic fluid and filters.
- Clean the hydraulic tank breather.
- Inspect hydraulic cylinders for signs of wear or damage.
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Every 1,000 Hours:
- Conduct a thorough inspection of the hydraulic pump and motors.
- Test system pressure and adjust as needed.
Electrical Systems
A well-maintained electrical system ensures reliable machine operation.
System Components
- Battery: 12-volt heavy-duty battery
- Alternator: 40-amp capacity
- Starter Motor: High-torque starter for efficient engine ignition
- Lighting: Work lights and indicators for safe operation
