You MUST inspect and keep record of said inspection for a Mine Inspector to view at any time. If you or your operator find defects on the equipment you are directed to take that piece of equipment out of service until the defect is fixed. The directive says you can tag out your equipment or place your equipment in a pre-designated area specified for repair.

30 CFR § 56.14100 – Safety defects; examination, correction and records.

SAFETY DEVICES AND MAINTENANCE REQUIREMENTS

(a) Self-propelled mobile equipment to be used during a shift shall be inspected by the equipment operator before being placed in operation on that shift.

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