搜索历史清除全部记录
- All
- Product Management
- News
- Introduction
- Enterprise outlets
- FAQ
- Enterprise Video
- Enterprise Atlas
Don’t wait until the machine breaks down to regret it! A Daily Maintenance Guide for Wet Spraying Boom Trucks
Release time:
2026-04-27
Source:
Author:
Summary:
Concrete wet-spraying boom trucks are core, critical equipment in the construction of tunnels, mines, and slope support projects. Their safe and stable operation is directly linked to the personal safety of construction personnel, quality control of the project, and the service life of the equipment.
Zhengxun Heavy Industry has long been deeply engaged in the R&D and manufacturing of high-end construction machinery and equipment. Its meticulously engineered wet-concrete spraying rigs—such as the ZXP2512, ZXP4017, ZXP4517, and ZXP5517 series—have become an indispensable and powerful support for modern construction projects, thanks to their core advantages of efficient spraying, flexible adaptability, and safety and reliability. Innovative technologies, including patented boom designs and dual hydraulic–electric power switching, further enhance the equipment’s outstanding adaptability and operational stability under complex working conditions.
In tunnel construction projects, shotcrete support is often a critical preliminary process, and the associated equipment integrates extensive electromechanical and hydraulic systems, exerting a significant impact on overall project schedule. Therefore, scientific and standardized routine maintenance is of paramount importance. Data show that proper maintenance management can reduce the failure rate of wet-mix shotcrete rigs by more than 30% and extend equipment service life by approximately 20%. For example, in a large railway tunnel project, after the introduction of Zhengxun Heavy Industry’s wet-mix shotcrete rig and the strict implementation of a comprehensive daily maintenance regime, equipment availability increased to 95%, and shotcreting efficiency improved by 25%, thereby effectively safeguarding both schedule and quality.
Today, we will provide a detailed overview of the key daily maintenance and upkeep procedures for Zhengxun Heavy Industry’s concrete wet-spraying boom truck.
Daily Maintenance Items
01
After each work session, clean the nozzle, boom, pipeline system, hopper, and pumping system.
02
Inspect the connections and tightness of all components.
03
Inspect the integrity of the power supply lines.
04
Before starting work, check that the water tank is adequately filled and that the water is clean.
05
Inspect the eye plate and cutting ring for excessive wear, excessive clearance, or other abnormalities.
06
Regularly inspect concrete pipelines for wear; if the pipe wall thickness falls below the safety threshold, replacement shall be arranged immediately.
07
Inspect the cooling system and flush the heat sinks.
08
Inspect the tire condition, checking for any damage to the tire’s exterior and ensuring the tire pressure is appropriate.
09
After completion of shotcreting operations, the rapid-setting agent pump and pipelines shall be promptly cleaned, and the rapid-setting agent filter shall be cleaned weekly.
10
Upon completion of the work, the power-off procedure must be strictly followed: turn off the main power supply and reset all switches in the electrical control box.
11
Pay attention to cleaning gaps and joints, and apply anti-corrosion treatment to areas prone to corrosion.
12
Ensure the electrical control cabinet is kept clean and dry, and verify that the equipment’s safety labels are clear and easily visible.
Pumping and Spraying Systems
Before or after each daily/each assignment:
01
Clean debris from the hopper and inspect the mixing mechanism to ensure proper operation.
02
Inspect steel pistons, pipelines, and components for wear; address or replace any that exceed specified limits immediately.
03
Inspecting solidified concrete on the robotic arm pipe
04
Inspect the spray heads and nozzles for blockage and wear.
After 5,000 m³ of operation:
01
Inspect the concrete cylinder for wear; cylinders with severe chrome-plating wear shall be replaced.
02
Inspect the wear condition of the S-tube and the S-tube bearing.
03
Check whether the accumulator air pressure is sufficient.
Hydraulic and Lubrication System
Before or after each daily/each assignment:
01
Inspect the hydraulic system for oil leaks and seepage.
02
Grease all lubrication points, including manual lubrication points.
03
Check whether oil is being properly dispensed from each automatic lubrication point.
After 5,000 m³ of operation:
01
Replace the hydraulic oil in the hydraulic reservoir and clean the interior of the reservoir.
02
Replace the grease at all sealed bearing locations.
03
Check whether the accumulator air pressure is sufficient.
04
Are the safety valve, hydraulic hoses, and fittings worn?
Filter element filtration
01
Check the filter element’s filtration performance.
02
Inspect the housing and fittings for leaks, deformation, or cracking.
03
Keep the exterior of the filter element clean and free of mud and oil.
04
Shut down, de-energize, and relieve pressure before replacement; disassemble and reassemble after cleaning.
05
Ensure the sealing ring is intact and correctly oriented during installation; always replace the filter element when changing the oil.
Electrical Engineering and Control
01
Inspect the control function of the control valve.
02
Check whether the cables, plugs, emergency stop buttons, instruments, and indicator lights are functioning properly.
03
Keep the electrical control box and wiring clean, dry, and free of mud and oil contamination.
04
Inspect cables and connectors for damage, looseness, and proper waterproofing.
05
It is strictly prohibited to directly rinse electrical control components and junction boxes with water.
06
The remote control has sufficient battery power, a stable signal, and responsive buttons.
07
Emergency stop, sensors, and switches operate reliably and effectively.
The foregoing constitutes the wet-spraying trolley maintenance knowledge shared by Zhengxun Heavy Industry. We hope that every operator will conscientiously perform daily maintenance, ensuring that the equipment remains in optimal condition at all times, thereby enhancing construction stability and efficiency and contributing further to the smooth progress of projects.
The maintenance tips provided in this document are intended as general guidelines for typical operating conditions; given the complex on-site environment, adjustments should be made flexibly based on actual job-site conditions. If you have any questions or require assistance during operation, please feel free to contact us at our national service hotline: 400-186-0868.
RELATED INFORMATION
Contact Us
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
0
Consult now
WeChat Public Number
TikTok