Isolate [NAME] Confirm Identity Confirm the nameplate shows the correct ID - [ERN]. Safety Check Check the [ERN] enclosure for any tags or damage, and inspect the area for risks. Isolate Air Supply Turn off the air supply at the Primary Air Agitation Flow Control Valve, or shut off the air blower. FV4-4C.1 FV4-4C.1 Status - Valve PT4-5.1 Pressure - Instrument Air Isolate Power Supply Turn off the motor drive at the AG4-4C1 Drive AG4-4C1 Drive AG4-4C1 Drive Current - Motor Tag and Lock Tag and lock the control switch on the AC4-4C1 drive. Manual Verification Manually verify all isolations where possible.