W. Va. Code R. § 56-23-21

Current through Register Vol. XLI, No. 19, May 10, 2024

Section 56-23-21 - Diagnostic Testing

21.1. At intervals not exceeding once every two hundred (200) hours of engine operation, a qualified mechanic shall perform equipment maintenance diagnostic testing of each piece of diesel-powered equipment in the mine. The qualified mechanic shall:

21.1.1. Verify the identification numbers on the equipment;

21.1.2. Check the level of the engine lubricating oil;

21.1.3. Check the level of the transmission fluid;

21.1.4. Set the brakes and chock the wheels;

21.1.5. Install the portable CO sampling device into the untreated exhaust port coupling;

21.1.6. Start the engine and allow it to warm up to operating temperature;

21.1.7. Check the intake restriction and the exhaust back pressure at high idle speed;

21.1.8. If the intake restriction is more than the manufacturer's maximum recommended intake restriction, replace the intake filter with a clean one;

21.1.9. If exhaust gas backpressure is above that recommended by the manufacturer, then steps must be taken to bring the exhaust gas back pressure within the manufacturer's recommended limit prior to beginning the test described in this section;

21.1.10. For mobile equipment, shift into the highest gear and put the engine at full throttle, or for stationary equipment, induce a load and put the engine at full throttle.

21.1.11. Start the CO sampler and record CO levels every thirty (30) seconds for ninety (90) seconds;

21.1.12. Install the portable CO sampling device into the treated exhaust port coupling and repeat steps 21.1.l and 21.1.k;

21.1.13. If the average CO reading for treated exhaust gas is greater than 100 ppm, the equipment has failed and must be serviced and retested before it is returned to regular service; and

21.1.14. Comply with recordkeeping requirements pursuant to section 17 of this rule.

21.1.15. An alternative to the testing provided in subsections 21.1.1 thru 21.1.15. may be developed and/or approved by the director.

W. Va. Code R. § 56-23-21