Expert Guide to Rexroth Hydraulic Pump Repair Tips and Tricks
- Multitech India
- Mar 12, 2020
- 3 min read
Updated: Jun 25
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Repairing Rexroth Piston Pumps: A Comprehensive Guide
Rexroth piston pumps are integral components in hydraulic systems, known for their efficiency and reliability. However, like any mechanical device, they may require repairs over time. This guide outlines the essential steps and considerations for repairing Rexroth piston pumps, ensuring optimal performance and longevity.
Common Issues with Rexroth Piston Pumps
1. Loss of Pressure: This can occur due to worn seals or damaged components. 2. Increased Noise Levels: Unusual sounds may indicate internal wear or cavitation. 3. Fluid Leaks: Leaks often signal seal failure or cracks in the housing. 4. Overheating: Excessive heat can be a result of poor lubrication or blockage in the system.
Essential Tools and Equipment
- Hydraulic Test Bench: For testing pump performance after repairs. - Torque Wrench: To ensure proper assembly of components. - Seal Kits: Specific to Rexroth models, to replace worn seals. - Cleaning Solutions: For thorough cleaning of pump components.
Repair Process for Rexroth Piston Pumps
1. Disassembly: Carefully disassemble the pump, noting the arrangement of parts. 2. Inspection: Check all components for wear, damage, or contamination. 3. Cleaning: Use appropriate cleaning solutions to remove dirt and debris. 4. Replacement of Worn Parts: Replace seals, bearings, and any damaged components with OEM parts to maintain quality. 5. Reassembly: Follow manufacturer specifications for reassembly, ensuring all parts are correctly aligned and torqued. 6. Testing: Use a hydraulic test bench to verify the pump's performance and ensure that it meets operational standards.
Quality Control in Repairs
To maintain the integrity of Rexroth piston pumps, it is crucial to implement quality control measures during the repair process. This includes: - Using OEM Parts: Original Equipment Manufacturer parts guarantee compatibility and reliability. - Conducting Performance Tests: After repairs, conduct thorough testing to ensure the pump operates as expected. - Documentation: Keep detailed records of repairs and parts replaced for future reference.
Conclusion
Repairing Rexroth piston pumps requires a comprehensive understanding of hydraulic systems and attention to detail. By following the outlined steps and prioritizing quality in repairs, you can ensure the longevity and efficiency of these vital components. Regular maintenance and timely repairs will not only extend the lifespan of Rexroth piston pumps but also enhance the overall performance of hydraulic systems.

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