Precautions For Steel Underground Roof Support Maintenance Operation
1. To deal with the failure of the hydraulic system, the pressure shut-off valve or isolation valve must be closed, and the operating handle should be placed in an appropriate position to completely release the pressure at the maintenance site.
2. When the main pipeline is overhauled, the pump station must be notified to stop the pump and
take blocking measures. At the same time, the pre-pressure shut-off valve at the fault location should be closed, and the pressure should be released in the correct way. The work can only be carried out after the inspection is correct.
3. The faulty parts of the Underground Roof Support should be thoroughly cleaned.
4. When removing and replacing the steel bracket parts, a dust cap should be installed in time or other dust-proof measures should be taken.
5. When replacing the parts with special requirements of the Tunnel Roof Support, special tools should be used according to the regulations, and other tools are not allowed to be substituted, let alone
knocking and smashing randomly.
6. It is strictly forbidden to expose the Tunnel Roof Support parts to the human body to
prevent misoperation and injury.
7. After the maintenance is completed, when opening the globe valve or isolation valve, the action should be slow to avoid damage to the equipment and other accidents.
8. It is not allowed to close the liquid return valve under normal use. When it needs to be closed due to maintenance, it must be opened in time after the maintenance.Steel Mine Supports.
9. It is strictly forbidden to disassemble the Steel Mine Supports valve parts and the jack assembly underground.
