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Guidelines for Protecting the Boom System When a Wet Spraying Vehicle Is Stationed for an Extended Period of Time
Release time:
2026-01-17
Source:
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Summary:
The boom system of the wet spray carriage is its core component. If not properly protected during prolonged periods of inactivity, it can easily lead to issues such as damage to the hydraulic system, corrosion of structural parts, or aging of seals. Appropriate protective measures can extend the equipment’s service life and ensure stable performance when it is restarted. This article will provide a detailed description of the standardized protection procedures for the boom system during extended periods of inactivity—periods lasting one month or longer.
I. Preparations Before Shutting Down the Machine
1. Thoroughly clean the boom system: Use a high-pressure water gun to flush away any concrete residue from the boom’s surface; pay special attention to cleaning joint areas, piston rods of hydraulic cylinders, and other regions prone to material buildup. Use compressed air to dry any remaining moisture and prevent residual dampness.
2. Hydraulic System Maintenance: Retract all cylinders to their intermediate positions (to prevent seals from being subjected to pressure on only one side); check the quality of the hydraulic oil and replace it with fresh oil if necessary; lubricate all lubrication points with an adequate amount of grease.
3. Electrical System Protection: Disconnect the negative terminal of the battery and store it separately; wrap electrical connectors with moisture-proof bags; apply conductive grease to exposed metal contacts.
II. Protective Measures for Key Components
1. Metal Structure Protection: Touch up rust-preventive paint on areas where the original paint has chipped or peeled; apply long-lasting anti-rust oil to all exposed metal surfaces; pay special attention to areas prone to rust, such as welds and bolted connections.
2. Hydraulic cylinder protection: Fully retract the piston rod and apply specialized protective grease; install dust boots to protect the cylinder seals; manually extend and retract the cylinder once a month (to prevent seal sticking).
3. Steel wire rope maintenance: After thorough cleaning, immerse the rope in rust-preventive oil; store it with a winding diameter of at least 20 times the rope’s diameter; and wrap it with waterproof cloth to protect it from moisture.
4. Pipeline System Maintenance: Drain any residual water from the water pipes; wrap rust-preventive tape around hydraulic pipeline joints; run the hydraulic system in a circulation cycle for 10 minutes once a month.
3. Storage Environment Requirements
| Item | Standard Requirements |
| Venue | Indoor warehouse preferred; outdoor venues must have a rain shelter. |
| Temperature | -20℃~40℃ (Avoid extreme temperatures) |
| Humidity | ≤65%RH |
| Foundation | Hard and level, with good drainage |
| Protection | UV-resistant tarpaulin cover |
IV. Regular Maintenance Plan
Weekly inspection: tarpaulin integrity, condition of rust-preventive oil
Monthly maintenance: Manually operate each joint once; run the hydraulic system under no-load conditions for 10 minutes; and replenish lubricant grease.
Quarterly Maintenance: Replace the cylinder protective grease; inspect structural components for deformation; measure changes in wire rope diameter.
V. Re-enable the checklist
1. Remove all protective oils.
2. Check the elasticity of the seals (replace hardened seals).
3. Hydraulic System Bleeding Operation
4. Perform each motion more than 10 times during no-load testing.
5. Confirm that all safety devices are functioning properly.
VI. Solutions to Common Issues
1. Internal leakage issue in the oil cylinder
Phenomenon: Slow response when enabled.
Action: Replace all seals.
Prevention: Actuate the hydraulic cylinder monthly during downtime.
2. Corrosion of structural components
Light rust: After cleaning with a wire brush, touch up the paint.
Severe rusting: Requires post-processing after non-destructive testing.
3. Electrical System Faults: First, measure the insulation resistance of the wiring; then, gradually apply power and test each module one by one; pay particular attention to humidity-sensitive components.
7. Cost-effective protection solution (suitable for temporary shutdowns)
1. After basic cleaning, apply a common rust-preventive oil.
2. Simple cover rainproof tarpaulin
3. Start the device once every 2 weeks.
4. Key hydraulic system protection
8. Professional Recommendations: Invest in a dedicated equipment warehouse (with a payback period of approximately 2 years); establish an outage and maintenance record system; train full-time custodians; and stock up on critical seals.
With standardized shutdown protection, the performance degradation of the boom system can be kept within 5% over a period of three years, significantly reducing maintenance costs. It is recommended to select the appropriate protection level based on the actual duration of downtime.
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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
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