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Key Maintenance Points After Shutting Down the Wet Spraying Vehicle
Release time:
2026-02-27
Source:
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Summary:
After the wet spray carriage completes its daily work, systematic shutdown and maintenance are crucial for ensuring the long-term stable operation of the equipment. A scientifically sound maintenance procedure not only eliminates potential hazards accumulated during the day’s operations but also lays a solid foundation for efficient performance the following day. The following are the systematic maintenance points that must be carried out after the wet spray carriage is shut down.
I. Thoroughly clean the pumping system.
Pipeline cleaning procedure
The first priority after finishing the job is to clean the conveying system:
1. Completely remove any remaining concrete from the hopper.
2. Use a dedicated cleaning ball in conjunction with clean water to flush the conveying pipeline.
3. Observe the outlet until the water is clear and free of any residual slurry.
4. For more than 50 For long-distance pipelines carrying rice, the amount of cleaning water should be increased and the pipeline should be flushed in sections.
Cleaning of key components
Deep cleaning requirements for key areas:
- Thoroughly rinse the inner walls of the hopper and the mixing device using a high-pressure water gun.
- Spot cleaning S The joint between the valve and the cutting ring
- Inspect the wear condition of the die plate and record the findings.
- Clean the concrete adhered to the back of the mixing blades.
II. Hydraulic System Maintenance and Servicing
System Status Check
Inspection items that must be performed on the hydraulic system after shutdown:
1. Thoroughly inspect the sealing condition of all hydraulic lines and fittings.
2. Confirm that the hydraulic oil level is within the range specified by the oil level indicator.
3. Record system operating temperature and pressure parameters.
4. Observe the changes in oil color and the cleanliness condition.
System protection measures
Special protection for hydraulic systems:
- Retract all hydraulic cylinder piston rods to their shortest positions.
- Apply a specialized anti-rust oil to the exposed surface of the piston rod.
- Check the accumulator precharge pressure and keep a record.
- Close the main valve of the hydraulic system and release any residual pressure.
III. Key Points for Electrical System Maintenance
Control System Maintenance
Daily maintenance content for electrical systems:
- Use a dry, soft cloth to clean the control panel and display.
- Check the responsiveness of each control button.
- Clean dust and debris from inside the electrical control cabinet.
- Check the tightness of the main electrical connection points.
Security protection measures
Special protection requirements for electrical systems:
- Cut off the device’s main power supply and lock it for protection.
- Store the remote control in a dedicated drying cabinet.
- Check the reliability of each sensor connection.
- Record fault codes during system operation.
IV. Maintenance and Servicing of Structural Components
External Cleaning Requirements
Standard for thorough cleaning of the equipment's exterior:
1. Use a pressure washer to remove concrete residue from the exterior surface of the equipment.
2. Focus on cleaning the telescoping joints of the boom and the surfaces of the outriggers.
3. Check whether the main structural components have cracks or deformations.
4. Clean debris and mud accumulated on the walking mechanism.
Lubrication and maintenance performed
Lubrication and Maintenance Specifications for Critical Components:
- Grease all lubrication points according to the lubrication chart.
- Check the oil level in the reservoir of the automatic lubrication system.
- Clean up excess grease that has overflowed from each lubrication point.
- Record lubrication execution time and quantity in detail.
V. Special Environmental Maintenance Requirements
Key Maintenance Tips for the Rainy Season
Special maintenance measures for humid environments:
- Increase the moisture-proof inspection of electrical components in equipment.
- Check the drainage condition of the equipment storage area.
- Strengthen rust prevention treatment for precision components such as piston rods.
- Regularly start the equipment to remove moisture.
Winter Freeze-Proof Maintenance
Special protective requirements for low-temperature environments:
- Completely drain the water remaining in the pump and pipelines.
- Check the antifreeze concentration’s freezing point of the engine.
- Clear snow and ice from the walking mechanism.
- Install an engine insulation device if necessary.
VI. Safety Inspections and Records
Safety Device Inspection
Daily mandatory safety inspection items:
1. Verify the functional effectiveness of the emergency stop device.
2. Check the integrity of all safety protection devices.
3. Test the responsiveness and sensitivity of the alarm system.
4. Record identified safety hazards and corresponding mitigation measures.
Maintenance Record Management
Requirements for a comprehensive maintenance record system:
- Detailed record of the day’s maintenance tasks.
- Accurately record any abnormal conditions found in the equipment.
- Fully record information about the replaced parts.
- Promptly submit recommendations for subsequent maintenance and improvements.
7. Special Maintenance for Long-Term Shutdown
Periodic Maintenance Requirements
Maintenance guidelines for equipment during long-term idle periods:
- Start the engine and run it weekly. 30 minute
- Operate each actuator to complete the entire motion sequence.
- Check the main operating parameters of the recording system.
- Regularly check the status changes of equipment.
Deep Maintenance Services
Systematic maintenance content for long-term shutdown:
- Perform a comprehensive cleanliness inspection of the hydraulic system.
- Replace various filter cartridges according to the prescribed cycle.
- Apply professional rust-proofing treatment to critical components.
- Complete comprehensive system commissioning and performance testing.
Conclusion
Systematic maintenance of wet spray carts after shutdown is a core component of equipment management. It is essential to establish standardized operating procedures and a strict accountability system. Through standardized and meticulous maintenance, we can not only keep the equipment in optimal working condition but also effectively prevent failures and significantly extend its service life. It is recommended to develop detailed maintenance operation manuals, enhance professional training for operators, and improve the management of maintenance record archives to ensure that all maintenance measures are implemented thoroughly. Only by consistently adhering to standardized daily maintenance can we provide a solid guarantee for the long-term reliable operation of the equipment and ultimately maximize construction efficiency.
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Changsha Base:Hunan Zenxon Heavy Industry Technology Co., Ltd.
Address: Jinrong Tongxin International Industrial Park, Changsha High-tech Zone
Loudi Base:Hunan Haoda Heavy Industry Technology Co., Ltd.
Address: Loudi Avenue, Loudi High-tech Industrial Development Zone, Lianyuan City, Loudi City, Hunan Province
Telephone:400-186-0868
E-mail:3804246750@qq.com
E-mail:19967177733@163.com
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