Emerson Bettis CBB Series - Section 6: Removal and Decommissioning; Actuator Removal and Decommissioning

October 2015
Service Instructions
VA001-196-30 Rev. 1
24
Section 6: Removal and Decommissioning
Removal and Decommissioning
Section 6: Removal and Decommissioning
6�1 Removal and Decommissioning
WARNING: DISASSEMBLE WITH CARE
Always follow safe work practices remove and disassemble CBB-Series actuator.
The below basic procedure should not supersede or replace any customer’s plant safety
orworkprocedures.Ifaconictarisesbetweenthisprocedureandthecustomer's
procedures, the differences should be resolved in writing between an authorized
customer's representative and an authorized Emerson/Bettis representative.
CAUTION: CHECK YOKE KEY ALIGNMENT
Make sure actuator is isolated before removing from valve. Turn OFF the power medium
andbleedoffallpressurerst,includingstoragetank(ifpresent).Next,bleedoffpilotpres-
sure, disconnect: pneumatic pressure supply, pilot tubing and electrical wiring
(if equipped).
Before starting the disassembly, a large area should be created around the actuator so to
allow any kind of movement.
Separatethepartscomposingtheactuatoraccordingtotheirnature(ex.metallicand
plasticmaterials,uidsetc.)andsendthemtodifferentiatedwastecollectionsites,as
provided for by the laws and provisions in force.
6�1�1 Drain tanks and remove tubing from actuator. Remove accessories (if equipped)
and control from actuator.
6�1�2 Remove all equipment mounted on top of actuator (limit switches, end of stroke
valve, and relevant pneumatic/electric connection, etc.)
6�1�3 Remove mounting bolts and actuator is ready to be removed from valve.
For complete actuator tear down refer to Section 2 of the manual.