Prevent maintenance work accidents

Prevent maintenance work accidents
1, the operation must go through the approval procedures, wear labor protection supplies according to the provisions of the maintenance work.
2, maintenance operations, should be at least two staff to participate in.
3, before maintenance, should cut off the power supply, and install locks in the power supply, Lockout tagout, arrange special care, must strictly implement the “power off listing” system, is prohibited to open the power supply before the completion of maintenance.
4, the equipment must be vented before maintenance.
5, in the explosion-proof area for maintenance, pay attention to fire and explosion-proof, safe use explosion-proof tools.
6. After maintenance, check the tools to prevent them from being left in the machine.

Energy isolation unit
Definition: to prevent energy transfer or release of machinery, including but not limited to the following device: manual switch, circuit breaker, manual switch (electrical conductor and the all have no grounding power supply conductors can be disconnected, and any one can’t open) independently, wire switch, blocking device and similar devices used as insulation blocking or energy.
Circuit breaker: A toggle switch or circuit breaker that, when opened, completely shuts off potential power sources
Energy isolation devices may also include orifice covers and bolt expansion covers. Authorized employees using the device shall have exclusive control over the device.
Use reliable devices, such as locks, to ensure that the energy insulation system is in a safe state and to prevent the equipment from being energized.
Note: locks and multiple locks are locking devices only, not energy isolation devices.