Maintenance cycle guide for coal mine roadway repair machine（haoyun）

The editor of Shandong Haoyun Heavy Industry Machinery Co., Ltd. provides the following content on the maintenance cycle guide for coal mine tunnel repair machines.

It is crucial to develop a reasonable maintenance plan to ensure the long-term stable operation of the tunnel repair machine used by Haoyun Heavy Industry in coal mines. Based on different components and working environments, the following basic maintenance cycle is recommended as a reference:

1. Daily inspection (daily)

Appearance and Cleaning: Clean dust and debris, check for obvious damage.

Lubricating point oiling: Add lubricating oil to joints, bearings, and other parts.

Hydraulic system: Observe the pressure gauge reading, check the oil level, and confirm that there are no leaks.

2. Periodic maintenance (weekly/monthly)

Filter cleaning: Clean the air filter and check the hydraulic filter element.

Electrical system: Check the tightness of wire and cable connections and the charging condition of the battery.

Braking system: Test brake response and check brake fluid level.

3. Quarterly maintenance (every quarter)

Oil change: According to the manufacturer’s recommendations, replace the engine oil and hydraulic oil.

Hydraulic pump inspection: Check the wear of the pump body and repair or replace it if necessary.

Cooling system: Clean the heat sink, check the water tank level, and avoid scaling that affects heat dissipation.

4. Annual major overhaul (every year)

Thoroughly inspect: including all the above items, plus in-depth disassembly, check the internal cavity parts.

Performance testing: Simulate the work environment, conduct comprehensive performance evaluation, and ensure compliance with standards.

Update and upgrade: Based on the latest technological trends, consider replacing outdated components to improve equipment efficiency.

Haoyun Heavy Industry builds trust with quality, emphasizes preventive maintenance, extends service life, and helps you achieve every underground mission.