Pneumatic/hydraulic power off:
Break, lock, release, shout, see, do
Disconnect - push or pull a manual short circuit switch to remove upstream pressure and disconnect pneumatic/hydraulic power
Locks - all personnel lock their locks to the short circuit switch
Release - release all potentially dangerous stored or residual energy, isolate and secure
Shout - send out warning signals
Test - start the pneumatic/hydraulic equipment and confirm that it cannot start
Do - get to work
Unlock, check, shout, pass, start
Unlock - each person opens their own lock and takes it away
Check - people in safe locations; Device to be started; All locks removed
Shouting - Shouting "get out of the way" to remind others to get out of the way
On - all short circuit switches are set in the "on" position
To start the
Lock the order
1. On-site power failure
2. Use the motor control center (MCC) when there is no on-site power failure.
3. No on-site power failure /MCC, disconnect the main control circuit
4. If the main control circuit cannot be disconnected, remove the safety or unplug the power supply input line
Note: make marks to prevent confusion (operated by electricians with valid certificates)
5.-- any person who finds that the power failure device cannot be locked with the power failure device shall immediately report to the owner and assist in solving the problem
