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Emerson Fisher 1079 Installation Instructions
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1. SEAL RETAINER SIDE OF VALVE HYTORK ACTUATOR SUPPLY CONNECTIONS ave mmm OPTIONAL __ p EN MOUNTING POSITION teme A6186 1079 Manual Actuator Instruction Manual October 2012 D500208X012 Installing the Manual Actuator A WARNING Refer to the WARNING at the beginning of the Maintenance section in this instruction manual CAUTION Undertravel or overtravel of the valve disk especially at the closed position may result in poor valve performance and or damage to the equipment Make certain that the power actuator travel stops are properly set before installing and adjusting the manual actuator Refer to the instruction manuals for the valve and the power actuator for information about setting travel stops Isolate the control valve from the line pressure release pressure from both sides of the valve body and drain the process media from both sides of the valve Also shut off all pressure lines to the power actuator and release all pressure from the power actuator Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment NJ Make certain that the power actuator travel stops have been properly set UJ For spring return power actuators allow the power actuator to remain in the position where the spring is relaxed For double acting power actuators apply supply pressure as appropriate to position the valve disk in either the open or closed po
2. Ib 30 inch 6 7 kg 14 75 Ib 36 inch 7 8 kg 17 25 Ib The 1079 manual actuator shown in figure 1 is a declutchable unit for manual operation of keyed or square shaft control valves and equipment that use a Hytork actuator The 1079 manual actuator mounts directly on the Hytork actuator and can be engaged to allow manual operation of the valve when the power actuator is not in use or disengaged to allow automatic operation of the valve by the power actuator The mechanism used allows manual actuator engagement at any point of power actuator rotation Specifications The 1079 manual actuator specifications are given in table 1 Educational Services For information on available courses for 1079 manual actuators as well as a variety of other products contact Emerson Process Management Educational Services Registration P O Box 190 301 S 15t Ave Marshalltown IA 50158 2823 Phone 800 338 8158 or Phone 641 754 3771 FAX 641 754 3431 e mail education emerson com 1079 Manual Actuator Instruction Manual October 2012 D500208X012 Installation A WARNING Always wear protective gloves clothing and eyewear when performing any installation operations To avoid personal injury or property damage resulting from the sudden release of pressure do not install the valve assembly where service conditions could exceed the limits given on the valve and actuator nameplates Use pressure relieving devices as required by accep
3. with a quality gear lubricant 5 Install the cover plate and four cap screws 6 Install the power actuator on the manual actuator Figure 3 Fisher 1079 Declutchable Manual Actuator 24B0392 A Instruction Manual 1079 Manual Actuator D500208X012 October 2012 Parts Ordering When corresponding with your Emerson Process Management sales office indicate the size of the Hytork actuator If the manual actuator was shipped separately not attached to a Hytork actuator give the serial number of the unit which is shown on a tag attached to the manual actuator A WARNING Use only genuine Fisher replacement parts Components that are not supplied by Emerson Process Management should not under any circumstances be used in any Fisher valve because they may void your warranty might adversely affect the performance of the valve and could cause personal injury and property damage Parts List Manual Actuator Assembly figure 3 Note Part numbers are shown for recommended spares only For part numbers not shown contact your Emerson Process Management sales office 1 Gearbox cast iron 2 Handwheel Assembly includes handwheel and pin Key Description 1079 Manual Actuator Instruction Manual October 2012 D500208X012 Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance o
4. 5 318 102 0 um 1 Shaft diameter at square connection 2 Unless otherwise noted torque is limited by 17400 stainless steel 17 4 PH H1025 shaft material at 38 C 100 F For other shaft materials consult your Emerson Process Management sales office 3 Maximum manual actuator output HYTORK ACTUATOR MODEL BOLT TORQUE NUMBER ACTUATOR MOUNTING HOLE SIZE Lbf ft Nd 1 Applies to both double acting and spring return models 1079 Manual Actuator Instruction Manual October 2012 D500208X012 Lubrication The interior parts of the 1079 manual actuator should be lubricated on a regular schedule with a quality gear lubricant The interior parts should also be lubricated whenever difficulty in handwheel rotation indicates a need for lubrication 1 Isolate the control valve from the line pressure release pressure from both sides of the valve body and drain the process media from both sides of the valve If using a power actuator also shut off all pressure lines to the power actuator release all pressure from the actuator Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment 2 Remove the bolts that secure the power actuator to the manual actuator and remove the power actuator 3 Remove the four cap screws that secure the gearbox cover plate and remove the gearbox cover plate 4 Coatthe worm the drive sleeve gear teeth and the bearing surfaces of the gearbox housing and worm
5. A31A and NPS 8 CL300 A31A 1079 Manual Actuator Instruction Manual October 2012 D500208X012 Table 3 Actuator Size Selection and Specifications for Valves Fisher A41 HYTORK VALVE SHAFT MAXIMUM ALLOWABLE WHEEL RIM FORCE FOR sees ACTUATOR ree Sa A ae A DIAMETER TORQUE 2 MAXIMUM TORQUE SE L uu qo uc ier ie 12 7 0 500 58 515 127 15 9 0 625 138 1225 305 69 19 1 0 750 B AA 70 thru 280 31 8 1 250 See eee 38 1 1 500 542 MO 418 94 152 12 7 0 500 58 515 127 29 15 9 0 625 138 1225 305 69 AAA 70 thru 280 240 468 f 926 i 926 31 8 1 250 1110 9820 38 1 1 500 1356 12000 44 5 1 750 1582 14 0000 610 31 8 1 250 1110 9820 227 5 38 1 1 500 1356 12000 278 63 po 1 750 2658 23524 433 97 610 31 8 1 250 1110 9820 190 43 38 1 1 500 1356 12000 23 52 a NR DE DEO EN ME 1 Shaft diameter at packing box 2 Unless otherwise noted torque is limited by 17400 17 4 PH H1025 stainless steel shaft For other shaft materials contact your Emerson Process Management sales office 3 Maximum manual actuator output For AAA C and D the maximum output is 2400 24000 and 36000 in lb respectively Instruction Manual 1079 Manual Actuator D500208X012 October 2012 Table 4 Actuator Size Selection and Specifications for Square Shaft Valves Fisher A11 acrunron GEAR HANDWHEELDIAMETER w3 ows s mo w n 75s f ess zn aW m wr 15 9 0 625 318 2813 245 22 2 0 875 542 4800 418 15 9 0 62
6. Instruction Manual 1079 Manual Actuator D500208X012 October 2012 Fisher 1079 Declutchable Manual Actuator Contents Figure 1 Fisher 1079 Manual Actuator Mounted on a Hytork Actuator and A41 Double D Valve IDEFOGHICEIOL 12 15 su gates tunes a Eb redet 1 Scope of Manual 1 oro y ore hr re be e 1 DESCHDUON 2 202 3ceeine de be tad bee dd 2 SDeCIHCabiOTis ud r E ELI YR VERS 2 Educational Services ssuu s 2 Installation 12 5 502m 30s watin ewe ne odere dried 3 Installing the Manual Actuator 4 OPERATION 20 cog ire odor Eram EO Du cue uuoads 5 Engaging and Disengaging the Manual Actuator 5 Engaging the Manual Actuator 5 Disengaging the Manual Actuator 5 Maintenance rv P 6 LUDTICATON uou ym on o UR re ups 10 Pate Orden vire y olera tuy e xy eR Ease 11 PASET orraa ep eb tee E SM co boves 11 cael Manual Actuator Assembly 11 Introduction Scope of Manual This instruction manual includes installation operation and maintenance information for the Fisher 1079 declutchable manual actuator Refer to separate instruction manuals for instructions covering the Hytork actuator and the control valve Do not install operate or maintain a 1079 manual actuator without being fully trained and qualified in valve actuator and accessory installation operation and maintenance To avoid personal injury or property damage it is important to carefully read un
7. d personal injury from sudden release of process pressure or bursting of parts Before performing any maintenance operations e Do notremove the actuator from the valve while the valve is still pressurized e Always wear protective gloves clothing and eyewear when performing any maintenance operations to avoid personal injury e Disconnect any operating lines providing air pressure electric power or a control signal to the power actuator Be sure the actuator cannot suddenly open or close the valve e Use bypass valves or completely shut off the process to isolate the valve from process pressure Relieve process pressure from both sides of the valve Drain the process media from both sides of the valve e Ventthe power actuator loading pressure and relieve any actuator spring precompression e Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment e The valve packing box may contain process fluids that are pressurized even when the valve has been removed from the pipeline Process fluids may spray out under pressure when removing the packing hardware or packing rings or when loosening the packing box pipe plug e Check with your process or safety engineer for any additional measures that must be taken to protect against process media If the force required to rotate the handwheel exceeds the wheel rim force listed in table 2 3 or 4 check for the following conditions e Insufficien
8. derstand and follow all the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson Process Management sales office before proceeding man EMERSON www Fisher com Process Vianagement 1079 Manual Actuator October 2012 Table 1 Specifications Available Configurations Direct acting see Handwheel Rotation Manual Actuator Sizes See tables 2 3 and 4 Power Actuator Compatibility Compatible with all sizes of Hytork actuator see tables 2 3 and 4 Maximum Torque Output See tables 2 3 and 4 Wheel Rim Force See tables 2 3 and 4 Handwheel Rotation Clockwise handwheel rotation closes valve produces clockwise valve shaft rotation as viewed from the actuator end of the shaft Description Instruction Manual D500208X012 Standard Mounting Positions see figure 2 li Standard mounting is with the input shaft perpendicular to the Hytork piston travel with the handwheel opposite the actuator supply connections ll Optional mounting is with the handwheel on the same side as the Hytork actuator supply connections Approximate Weight without Handwheel Size AAA 7 3 kg 16 Ib Size AA 10 kg 22 Ib Size A 14 kg 31 Ib Size B 16 kg 35 Ib Size C 24 kg 52 Ib Size D 33 kg 72 Ib m ee eS Handwheel Weight 6 inch 1 0 kg 2 25 Ib 8 inch 2 0 kg 4 50 Ib 12 inch 4 0 kg 8 75 Ib 24 inch 5 4 kg 12 00
9. f any product remains solely with the purchaser and end user Fisher is a mark owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co All other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Marshalltown lowa 50158 USA Sorocaba 18087 Brazil Chatham Kent ME4 4QZ UK Dubai United Arab Emirates Singapore 128461 Singapore www Fisherrcom 000000000 E M ERSO N 1993 2012 Fisher Controls International LLC All rights reserved an
10. o do not use wrenches or other devices on the handwheel or handwheel shaft to increase operating force If the force required to rotate the handwheel exceeds the wheel rim force listed in table 2 3 or 4 refer to the maintenance procedures Engaging and Disengaging the Manual Actuator A WARNING Refer to the WARNING at the beginning of the Maintenance section in this instruction manual Engaging the Manual Actuator 1 Shut off supply pressure to the power actuator 2 Pull the ring on the detent mechanism to unlock the lever Move the lever into the engaged position until it is against the stop pin and locked in position by the detent mechanism 3 If applicable open the power actuator bypass valve Disengaging the Manual Actuator CAUTION Disengaging the manual actuator when forces such as spring compression cylinder pressure and dynamic torque are present may cause sudden extreme movement of all control valve components This can result in damage to equipment and violent disturbance of the process Before disengaging the manual actuator approximate system balance should be achieved Take appropriate steps to ensure that the return to automatic operation will not result in a extreme repositioning of control valve components 1 Before disengaging the manual actuator approximate system balance should be achieved The system is in balance when the actual valve disk position is approximately the same as the position requested by
11. sition A Note whether the valve disk is in the open or closed position Engage the handwheel on the manual actuator See the Engaging and Disengaging the Manual Actuator section in this manual for instructions Perform one or the other of the following procedures Ul e fthe valve disk is in the closed position Rotate the handwheel clockwise until it stops If the valve disk is in the open position Rotate the handwheel counterclockwise until it stops Disengage the manual actuator Slide the manual actuator shaft into the power actuator Rotate either the manual actuator or the power actuator slightly so that the mounting holes on the manual actuator align with the mounting holes in the mounting plate on the power actuator Fasten the manual actuator to the power actuator with the bolts lockwashers and nuts provided CON ODO WO 10 Install the power actuator and manual actuator assembly on the valve as described in the installation section of the power actuator instruction manual Instruction Manual 1079 Manual Actuator D500208X012 October 2012 Operation After the actuator and control valve assembly are installed the manual actuator is ready for operation CAUTION Applying too much torque to the actuator and valve parts could cause damage to the parts To avoid such damage do not exceed the maximum allowable torques listed in table 2 3 or 4 or any other torque limitation of internal valve parts Als
12. t lubrication e Seized actuator parts e Excessive pressure drop across the valve or e Obstruction to the valve disk rotation If the manual actuator does not seem to control the process fluid the worm or drive sleeve gear teeth may be broken the handwheel pin may be sheared or the internal power actuator or valve parts may be broken Purchase a replacement manual actuator if necessary Refer to the power actuator and valve instruction manuals if power actuator or valve maintenance is needed Instruction Manual 1079 Manual Actuator D500208X012 October 2012 Table 2 Actuator Size Selection and Specifications for Keyed Shaft Valves Model A31A MAXIMUM ALLOWABLE TORQUE 2 HYTORK HANDWHEEL VALVE SHAFT ACTUATOR DIAMETER DIAMETER SIZE WHEEL RIM FORCE FOR MAXIMUM TORQUE ACTUATOR SIZE 23 8 0 9375 271 24000 17 5 0 6875 245 2165 203 AA 70 thru 280 24 1 305 0 5625 0 6875 0 9375 680A 40 1 610 i 1 125 1 1875 1 25 4 5 1 625 1125 40 1 610 610 1370 54 1 762 1 610 2585 amp 4580 64 1 n 413 1 625 2530 22 396 44 5 1 75 2568 22 728 914 36 47 6 1 875 4067 36 0000 463 104 57 2 2 25 4067 36 0000 463 104 1 Shaft diameter at the keyway 2 Unless otherwise noted torque is limited by S17400 stainless steel 17 4PH H1025 shaft material at 38 C 100 F For other shaft materials consult your Emerson Process Management sales office 3 Maximum manual actuator output 4 NPS 12 CL150
13. ted industry local state or Federal codes and good engineering practices Check with your process or safety engineer for any other hazards that may be present from exposure to process media If installing into an existing application also refer to the WARNING at the beginning of the Maintenance section in this instruction manual The 1079 manual actuator is normally shipped mounted on the Hytork actuator If the manual actuator is shipped separately for installation on the Hytork actuator or if the manual actuator was removed for maintenance mount the manual actuator by following the instructions in this section Field conversion of the Hytork actuator for use with the 1079 manual actuator requires fastening a mounting plate included with the manual actuator to the Hytork actuator The 1079 actuator is installed between the valve and the Hytork actuator Figure 2 shows the manual actuator standard and optional mounting positions Typically the manual actuator is mounted with the input shaft perpendicular to the power actuator piston travel However the manual actuator can be mounted in any of four positions provided there is sufficient clearance between the handwheel and the power actuator end caps Fasten the mounting plate to the power actuator with the four mounting bolts provided with the manual actuator Do not exceed the torque values given in table 5 Figure 2 Fisher 1079 Actuator Mounting Positions STANDARD MOUNTING POSITION
14. the automatic control system Under balanced system conditions the manual actuator disengaging lever moves freely without use of excessive force If after releasing the detent mechanism the lever does not move freely toward the disengaged position some system force is causing an imbalance A forced return to automatic operation under these conditions can cause serious damage to the equipment and violent disturbance of the process Ul 1079 Manual Actuator Instruction Manual October 2012 D500208X012 2 If possible determine whether the automatic control system is tending to open or close the valve disk and rotate the handwheel in the appropriate direction until friction in the manual operator is reduced and the lever can be easily moved by hand As an alternate approach local manipulation of the supply pressure to the power actuator may bring the set point of the automatic system closer to the actual valve disk position 3 If a smooth transition from manual to automatic operation cannot be ensured isolate the valve from the process Position the manual actuator so that it matches the position of the disk when no supply pressure is applied to the power actuator 4 Pull the ring on the detent mechanism to unlock the lever Push the lever into the disengaged position until it is against the stop pin and locked in position by the detent mechanism 5 Close the bypass valve and return supply pressure to the power actuator Maintenance Avoi
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