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Virginia Administrative Code
Title 4. Conservation And Natural Resources
Agency 25. Department of Energy
Chapter 90. Regulations Governing the Use of Diesel-Powered Equipment in Underground Coal Mines
12/31/2024

4VAC25-90-40. Maintenance of diesel equipment.

A. Engine intake and exhaust systems shall be inspected visually by an authorized person at least once each day that the equipment is operated.

B. Permissible and emission components of diesel-powered equipment shall be inspected weekly by a certified diesel engine mechanic in accordance with the instructions of the manufacturer and all applicable federal and state requirements.

C. All filters on diesel engines shall be maintained or replaced as recommended by the manufacturer or more often if necessary.

D. Maintenance and repair work on emission components shall be done by a certified diesel engine mechanic in accordance with the instructions of the manufacturer and all applicable federal and state requirements.

E. All diesel-powered equipment shall be equipped with an hour meter to accurately display engine run time.

F. Maintenance manuals shall be made available for review by interested persons.

G. Records shall be kept of inspections, maintenance, and repair work for at least one year and shall be made available for inspection by interested persons.

Statutory Authority

§§ 45.1-161.3, 45.1-161.106 and 45.1-161.206 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 17, Issue 20, eff. July 18, 2001.

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