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Summary of Contents for Bettis CBAX30 Series
- Page 1 ENGLISH LANUAGE BETTIS SERVICE INSTRUCTIONS DISASSEMBLY AND REASSEMBLY FOR CBAX30 DOUBLE ACTING SERIES PNEUMATIC ACTUATORS PART NUMBER: 137462E REVISION: "B" RELEASE DATE: 18 April 2007...
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Page 2: Table Of Contents
SECTION 1 - INTRODUCTION ..........................2 GENERAL SERVICE INFORMATION ....................2 DEFINITIONS........................... ..3 GENERAL SAFETY INFORMATION....................3 BETTIS REFERENCE MATERIALS ....................3 SERVICE SUPPORT ITEMS .......................3 GENERAL TOOL INFORMATION .......................4 ACTUATOR WEIGHT........................4 SECTION 2 - ACTUATOR DISASSEMBLY....................5 GENERAL DISASSEMBLY ........................5... -
Page 3: Section 1 - Introduction
1.1.9 Use a non-hardening thread sealant on all pipe threads. CAUTION: Apply the thread sealant per the manufacture's instructions. 1.1.10 Bettis recommends that disassembly of the actuator should be done in a clean area on a workbench. -
Page 4: Definitions
Extended Stop(s) GENERAL SAFETY INFORMATION 1.3.1 Products supplied by Bettis, in its "as shipped" condition, are intrinsically safe if the instructions contained within this Service Instruction are strictly adhered to and executed by well trained, equipped, prepared and competent personnel. -
Page 5: General Tool Information
Bettis Product Engineering. 1.6.2 All temperature services (-50°F to +350°F)/(-45.5°C to 176.6°C) use Bettis ESL-5 lubricant. ESL-5 lubricant is contained in the Bettis Module Service Kit in tubes and the tubes are marked ESL-4,5 & 10 lubricant. GENERAL TOOL INFORMATION 1.7.1... -
Page 6: Section 2 - Actuator Disassembly
Bettis P/N 137462E Revision "A” Page 5 of 18 SECTION 2 - ACTUATOR DISASSEMBLY GENERAL DISASSEMBLY WARNING: It is possible, that the actuator may contain a dangerous gas and/or liquids. Ensure that all proper measures have been taken to prevent exposure or release of these types of contaminants before commencing any work. -
Page 7: Housing Disassembly
Bettis P/N 137462E Revision "A” Page 6 of 18 2.2.1.2 CBA730 through CBA1030-M3 or -M3HW 2.2.1.2.1 Remove retainer ring (12-30) and groove pin (12-20) from optional hex drive hub or from handwheel (12-10). 2.2.1.2.2 Remove optional hex drive hub or handwheel (12-10) from M3 jackscrew (4-30). - Page 8 Bettis P/N 137462E Revision "A” Page 7 of 18 2.3.1.1 CBA730 through CBA1030 housing adapter stop screw or extended stop screw (ES) 2.3.1.1.1 Loosen and remove hex nut (6-40) and washer (6-90) from stop screw (6-30) located in housing adapter (6-10).
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Page 9: Section 3 - Actuator Reassembly
3.1.4.2 Coat all seals with lubricant, before installing into seal grooves. 3.1.5 Torque shaft upper bearing and the lower bearing are not recommended as parts that require field replacement. Consult Waller Texas Bettis Service Coordinator for “torque shaft upper or lower bearing” replacement information. 3.1.6 CBAX30 double acting actuator construction as follows: 3.1.6.1 STANDARD CONSTRUCTION - Cylinder (4-10) or cylinder adapter (4-15) and... - Page 10 Bettis P/N 137462E Revision "A” Page 9 of 18 NOTE: Actuators equipped with a housing adapter M3 jackscrew (6-30) install M3 per 3.2.1. Actuators equipped with housing adapter ES or stop screw (6-30) skip step 3.2.1 and continue assembly at step 3.2.2.
- Page 11 3.2.11 Install thrust washer (2-80) onto the upper area of torque shaft (1-30) on top of thrust bearing (2-70). NOTE: A new retaining ring (2-90) is provided in the Bettis CBA Service Kit. 3.2.12 Install the new retaining ring (2-90) into the groove located on the upper area of torque shaft (1-30).
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Page 12: Pneumatic Cylinder Reassembly
Bettis P/N 137462E Revision "A” Page 11 of 18 PNEUMATIC CYLINDER REASSEMBLY NOTE: Review Section 3 steps 3.1.1 through 3.1.6 before proceeding with cylinder re-assembly. NOTE: In section 3.3 where the step indicates to "lubricate, coat or apply lubricant", use lubricant as identified in Section 1 step 1.6 for lubricating the part being installed. - Page 13 Bettis P/N 137462E Revision "A” Page 12 of 18 3.3.10 Carefully slide piston assembly (4-50) along center bar assembly (8-10) until the yoke pin engages the slots of yoke (1-20). CAUTION: Check to determine that both bushings (4-80) are installed between the arms of yoke (1-20) and the piston assembly (4-50).
- Page 14 Bettis P/N 137462E Revision "A” Page 13 of 18 3.3.14.8 Install hex nut (4-40) onto M3 jackscrew (4-30). NOTE: Rotate the hex nut down the M3 jackscrew until it is next to the M3 jackscrew adapter. 3.3.15 End cap outer diameter seal installation.
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Page 15: Section 4 - Actuator Testing
Bettis P/N 137462E Revision "A” Page 14 of 18 3.3.20.2 Install caution tag (12-40) onto M3 jackscrews (4-30) and (6-30). 3.3.20.3 Install retainer ring (12-30) and groove pin (12-20) into the hex drive hub (12-10) or handwheel (12-10). 3.3.21 Adjust both M3 jackscrews (4-30) and (6-30) back to setting recorded in Section 2 step 2.1.2 under General Disassembly. -
Page 16: Section 5 - Field Conversions
Bettis P/N 137462E Revision "A” Page 15 of 18 4.1.6.5 End cap (4-20) port "hole". Checks the piston to cylinder seal (5-40) and piston to center bar seal (5-25). 4.1.6.6 Housing adapter (6-10) to housing (1-10) joint. Checks o-ring seal 7-10). -
Page 17: Add An Extended Stop (Es) To Cylinder End Cap (4-20)
Bettis P/N 137462E Revision "A” Page 16 of 18 5.3.1 Stop screw (6-30) removal from housing adapter (6-10). 5.3.1.1 Loosen and remove hex nut (6-40) and washer (6-90) from stop screw (6-30) located in housing adapter (6-10). 5.3.1.2 Remove stop screw (6-30) from housing adapter (6-10). -
Page 18: Add An M3 Jackscrew To Housing Adapter (6-10)
Bettis P/N 137462E Revision "A” Page 17 of 18 ADD AN M3 JACKSCREW TO HOUSING ADAPTER (6-10) NOTE: This Section can also be used to add an M3 to the cylinder end cap (4-20) at the same time as the M3 is added to the housing adapter (6-10). When a M3 is only being installed into housing adapter (6-10) skip step 3.3.14 during installation. -
Page 19: Add M11 Override Cylinders And Pump Package
5.7.1 Consult Factory for further information. DATE BY * DATE Released May 2002 COMPILED L.Ramirez 18 April 2007 19527 April 2007 CHECKED C.Ross 18 April 2007 APPROVED D.McGee 18 April 2007 * Signatures on file Bettis Actuator & Controls, Waller, Texas...
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