Transcription of CBB Spring-Return Series Pneumatic Actuators
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Service Instructions VA001-196-31 Rev. 2 October 2017 CBB Spring-Return Series Pneumatic ActuatorsDisassembly and ReassemblyService InstructionsVA001-196-31 Rev. 2 Table of ContentsOctober 2017iTable of ContentsTable of ContentsSection 1: General Service Information .. Definitions .. General Safety Information .. Bettis Reference Materials .. Service Support Items .. Lubrication Requirements .. General Tool Information .. actuator Weight .. actuator Storage .. actuator Installation .. actuator Startup .. actuator Operation ..6 Section 2: actuator General Disassembly .. spring Cylinder Disassembly .. Housing Disassembly ..9 Section 3: actuator General Reassembly .. Housing Reassembly .. spring Cylinder Reassembly ..14 Section 4: actuator actuator Testing .. return to Service .. pressure Requirement and Limitations for CBB-SR Actuators ..18 Section 5: Fault Insertion .. Operational Test ..20 Section 6: Removal and Removal and Decommissioning.
pneumatic pressure have been removed from the actuator. 1 1 4 Remove all piping and mounted accessories that will interfere with the module(s) that are to be worked on. 1 1 5 This procedure should only be implemented by a technically competent technician who should take care to observe good workmanship practices.
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