Boom creeping down on case c28 excavator
Visit: Case CK25 CK28 Excavator Service Repair Manual
Potential Causes and Solutions:
Hydraulic Pressure Loss:
- Worn or Faulty Relief Valve: This valve regulates hydraulic pressure. A malfunctioning valve can lead to pressure loss and the boom dropping. Solution: Consult a qualified technician to inspect and replace the valve if necessary.
- Leaking Hydraulic Hoses or Fittings: Leaks in the hydraulic system can reduce pressure. Solution: Visually inspect hoses and fittings for damage. Replace any damaged components.
- Internal Leakage in Hydraulic Cylinders: Internal leaks within the boom cylinders can reduce their holding capacity. Solution: This issue often requires professional diagnosis and repair.
Control Valve Issues:
- Malfunctioning Control Valve: A faulty control valve may not properly regulate hydraulic flow. Solution: Consult a technician to diagnose and repair or replace the valve.
- Contaminated Hydraulic Fluid: Contaminated fluid can affect valve performance. Solution: Drain and replace the hydraulic fluid with a high-quality fluid.
Boom creeping down on case c28 excavator
Important Considerations:
- Operator Technique: Ensure the operator is using correct techniques to control the boom.
- Hydraulic Fluid Quality: Use high-quality hydraulic fluid and change it regularly as per the manufacturer’s recommendations.
- Regular Maintenance: Regular maintenance, including filter changes and fluid flushes, can prevent hydraulic system issues.
Seeking Professional Help:
If you’re unable to diagnose and fix the issue yourself, it’s highly recommended to consult a qualified heavy equipment technician. They have the expertise and tools to accurately identify and repair the problem.
We hope this information helps. You are welcome to reach out if you have further questions.