Emerson Bettis Q203 Installation, Operation And Maintenance Manual Download | Manualshive

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Installation, Operation and Maintenance Manual

RGS011110-1 Rev. 0

November 2015

24

Appendix

Appendix

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Single Cylinder Model

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Summary of Contents for Bettis Q203

Page 1: ...Bettis RGS Q Series Double Acting Actuators Installation Operation and Maintenance Manual RGS011110 1 Rev 0 November 2015 ...

Page 2: ......

Page 3: ...nstallation 2 2 1 Valve Attachment 3 2 2 Accessory Mounting 4 2 3 Piping and Operation 4 2 4 Travel Adjustment 7 Section 3 Troubleshooting 10 Section 4 Maintenance 4 1 Periodic Maintenance Schedule 11 4 2 Lubrication 11 4 3 Maintenance Kit 12 4 4 Piston Seal Replacement 12 4 5 Body Maintenance 15 Appendix A 22 A 1 Dual Cylinder Model 22 A 2 Single Cylinder Model 24 ...

Page 4: ...tenance Bettis RGS Q Series actuators are composed of two or three basic sub assemblies one or two force modules and a torque module The force module contains the piston and rack which provide linear motion The torque module contains the gear which converts the force modules linear motion into torque and operates the valve Every actuator assembled by Bettis is tested prior to shipment to our custo...

Page 5: ...n Section 2 Installation Bettis actuators may be mounted in any position orientation If necessary lift the actuator with straps placed inside the framework of the body Never lift the actuator by the cylinders tie rods or travel stops Lifting the actuator with the valve attached is not generally recommended Figure 1 ...

Page 6: ... correct position Ensure the actuator is in the same position as the valve It may be necessary to stroke the actuator to determine the correct mounting orientation Attach the actuator to the valve using the proper bracket and coupler or with a Bettis Universal Mounting Plate UMP if provided Using all mounting holes indicated on Bettis dimensional drawings tighten all fasteners hand tight then torq...

Page 7: ...and maximum allowable pressure is not exceeded Air driven stainless steel actuators with stainless steel or composite cylinders are not harmed by wet air so long as freezing does not occur Aluminum and chrome plated steel cylinders may be harmed over time by the presence of water WARNING DO NOT EXCEED PRESSURE RATING Exceeding the stated maximum pressure may result in damage to equipment and dange...

Page 8: ...es counterclockwise rotation Pressure to the base plate ports pushes the pistons outward resulting in a clockwise rotation Double Acting Right Hand pressure on the end cap ports pushes the pistons inward and causes clockwise rotation Pressure to the base plate ports pushes the pistons outward resulting in a counterclockwise rotation Figure 3 Left Hand Right Hand Piping Guidelines For dual cylinder...

Page 9: ...stallation Operation and Maintenance Manual RGS011110 1 Rev 0 November 2015 6 Section 2 Installation Installation Figure 4 P2 P2 P3 P3 P1 P1 205DA 210DA 214DA Figure 5 P1 P1 P3 P3 203DA 204DA 207DA 212DA ...

Page 10: ...for Left Hand orientated actuators For non standard models clockwise and counterclockwise motion will be the inverse of what is described below Check the actuator model and orientation before adjusting the Travel Stops Figure 6 Travel Stop A 1 Travel Stop B 1 Travel Stop A 2 Travel Stop B 2 Figure 7 Travel Stop B Travel Stop A 205DA 210DA 214DA 203DA 204DA 207DA 212DA ...

Page 11: ...l applied to P3 tighten the travel stop nut until it comes in contact with the end cap then an additional quarter turn Dual Cylinder Actuators a Unthread Travel Stop A 1 three to four full turns b Adjust Travel Stop A 2 until the stroke is set to the desired position It may be necessary to stroke the actuator in the clockwise direction between each adjustment This can be accomplished by applying p...

Page 12: ...acket motion followed by resetting Travel Stops A via the directions listed above If this cannot be accomplished follow the steps below WARNING DEPRESSURIZE COMPONENTS PROPERLY Do not remove loosen tie rod nuts unless cylinder is fully depressurized Components may exit the actuator dangerously if disassembly is attempted under pressure a Follow Section 4 4 Steps 1 to 3 b Adjust each Travel Stop B ...

Page 13: ...ed shaft seals See Section 4 5 Damaged cylinder seals See Section 4 4 Improper Travel Travel stops are not correctly set See Section 2 4 Internal cylinder contaminants preventing normal stroke See Section 4 4 to 4 5 Damaged valve Consult valve manufacturer Operating Strokingtooslowly Supply pressure too low Verify operating pressure will supply torque needed to operate valve correctly Internal cyl...

Page 14: ...ife For special applications grease fittings may be provided Use the grease fittings if applicable incorporated into the torque module of your actuator to apply additional lubricant The frequency of this lubrication will depend on the application of the actuator For any questions regarding the frequency of this operation or appropriate lubrication compounds contact your Bettis distributor WARNING ...

Page 15: ...s 2 Loosen all tie rod nuts until they are flush with the ends of the tie rods 3 Check that there is no pressure against the end cap by verifying that the end cap is not being forced against the tie rod nuts WARNING EXHAUST ALL PRESSURE AGAINST END CAP If there is force against the end cap stop Do not continue further until it is assured that the unit is safe to disassemble 4 Remove the end cap Be...

Page 16: ... replaced Figure 10 Piston O ring Wiper Ring Piston 7 Inspect the piston bolt for any corrosion or wear pitting cracking If excessive corrosion or wear is apparent a new actuator or actuator components may be necessary 8 Lubricate the internal surface of the cylinder with a light coat of the correct Bettis approved lubricant and slide the cylinder back over the piston and into the cylinder seal gr...

Page 17: ...d hex nuts you removed in step two Hand tighten and then torque the hex nuts to half and then full values according to the table below using the pattern designated Table 4 Model Ft Lbs Nm 203 10 14 204 205 10 14 207 210 20 27 212 214 35 48 Figure 12 4 Bolt Pattern 1 4 2 3 1 3 5 2 4 6 6 Bolt Pattern 12 Bolt Pattern 1 11 3 7 9 5 2 12 4 8 10 6 10 Bolt Pattern 1 8 10 5 3 7 2 9 6 4 8 Bolt Pattern 1 2 3...

Page 18: ...embly by removing the top hat mounting bolts Figure 13 3 Remove the piston assembly s by pulling away from body of actuator If model is a dual cylinder this may require two people Rotate the shaft until the teeth of the shaft and rack are no longer engaged Figure 14 4 Clean and inspect rack teeth for wear If teeth are excessively worn a new rack s may be necessary for continued reliable safe opera...

Page 19: ...ft will only exit body in one direction If necessary a drive key may be inserted into the bottom of the shaft and tapped with a hammer to free the shaft from the body Figure 16 7 Remove bushings and O rings from shaft and actuator body 8 Clean and inspect the shaft for wear If wear is found a new shaft or actuator may be necessary for further safe reliable operation ...

Page 20: ...and roller s 10 Lightly coat all O rings and bushings with lubricant 11 Install O rings on internal and external surfaces of bushing s in respective O ring grooves Figure 17 12 Insert one bushing into bottom side of shaft hole side which contains shoulder to prevent bushing from falling out The bushing should be placed with external O ring closer to the center of the body of the actuator Figure 18...

Page 21: ... and insert shaft through top of shaft hole shaft shoulder washers not applicable for 203 204 and 205 models Figure 19 14 Insert second shaft shoulder washer on top of shaft followed by bushing already containing both O rings again with external O ring closer to the center of the body of the actuator shaft shoulder washers not applicable to 203 204 and 205 models ...

Page 22: ...al O ring External O ring Shoulder Washer Shoulder Washer 15 Place thrust washer not applicable on 203 204 205 on top of bushing followed by retaining ring Ensure the retaining ring is seated in groove 16 Rotate shaft until positioning markers are in the position shown below Note the orientation of the body NPT port as well as the orientation of the high and low sides of the actuator ...

Page 23: ...vember 2015 20 Section 4 Maintenance Maintenance Figure 21 Q214 Q212 Q210 Q207 NPT Pressure Port Shaft Positioning Markers Shaft Positioning Markers NPT Pressure Port Q205 Q204 Q203 Shaft Positioning Marker Shaft Positioning Markers NPT Pressure Port NPT Pressure Port ...

Page 24: ...shafts b Simultaneously press both pistons into the body engaging the rack and shaft teeth until the point of refusal Both pistons should contact the body simultaneously If they do not remove piston assemblies reset shaft into correct position and try again General Reassembly continued 17 Place cylinder seal s into cylinder seal groove s on body 18 Lightly lubricate wiper and piston O ring grooves...

Page 25: ...ion Operation and Maintenance Manual RGS011110 1 Rev 0 November 2015 22 Appendix Appendix Appendix A A 1 Dual Cylinder Model 3 6 10 12 4 9 13 5 14 16 24 23 21 22 30 31 29 26 20 32 25 27 17 15 2 28 8 11 18 1 19 7 ...

Page 26: ...ushing Internal O ring 7 Anti Rotate Washer 8 Retaining Ring 9 Top Hat Bolt 10 Top Hat Mounting Bolt 11 Top Hat 12 Top Hat Indicator 13 Top Hat Base 14 Saddle Pin 15 Saddle Pin 16 Body 17 Roller Thrust Washer 18 Roller 19 Rack 20 Piston Bolt 21 Piston 22 Wiper Ring 23 Piston O ring 24 Tie Rod 25 Cylinder 26 Cylinder Seal 27 End Cap 28 Hex nut 29 Travel Stop A 30 Travel Stop O ring 31 Travel Stop N...

Page 27: ...tion Operation and Maintenance Manual RGS011110 1 Rev 0 November 2015 24 Appendix Appendix A 2 Single Cylinder Model 13 8 12 15 14 16 5 21 20 25 27 26 24 33 30 29 32 31 28 23 34 19 18 9 17 7 1 2 4 3 22 6 11 10 ...

Page 28: ...l O ring 9 Bushing Internal O ring 10 Anti Rotate Washer 11 Retaining Ring 12 Top Hat Bolt 13 Top Hat Base 14 Top Hat Indicator 15 Top Hat 16 Top Hat Mounting Bolt 17 Saddle Pin 18 Saddle Pin O ring 19 Cylinder Seal 20 Rack 21 Roller 22 Roller Thrust Washer 23 Piston Bolt 24 Wiper Ring 25 Piston 26 Piston O ring 27 Cylinder Seal 28 Tie Rod 29 End Cap 30 Hex Nut 31 Travel Stop A 32 Travel Stop O ri...

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Page 30: ...ongmeadow Business Estate East P O Box 6908 Greenstone 1616 Modderfontein Extension 5 South Africa T 27 11 451 3700 EUROPE Holland Fasor 6 Székesfehérvár 8000 Hungary T 36 22 53 09 50 Strada Biffi 165 29017 Fiorenzuola d Arda PC Italy T 39 0523 944 411 www emerson com bettis 2018 Emerson All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co BettisTM is a mark ...

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