Installation and Maintenance Manual for Orbit Spring-Close ...

1 Orbit Manual 81-M-15 (9/02)1 Installation and Maintenance Manual forOrbit Spring-Close , LS Series cylinder ACTUATORS AND ACCESSORIESMANUAL81-M-15 Feb. 1981 - Rev. Apr.'00 Issue Sept.'02 Orbit VALVEA DIVISION OF COOPER CAMERON Box 193520 Little Rock, Arkansas 72119 (1) 501-568-6000 WATS (1) 800-643-6544 Fax (1) 501-570-5700e-mail website: 7975 ECN 8741 ECN 9334 ECN 9531 ECN 9681 ECN 19873LS-124-D-2-X-S-3-X-S-4-X-S-12-X-S-1 3-X-S-14-X-S-20-X-S-21-X-S-22-X-S-23-X-S -24-X-S-25-X-S-26-X-S-27-X-SLS-124-D-20- N-S-21-N-S-22-N-S-23-N-S-24-N-S-25-N-S-2 6-N-S-27-N-SLS-124-D-2-M-S-3-M-S-4-M-S-1 2-M-S-13-M-S-14-M-S-20-M-S-21-M-S-22-M-S -23-M-S-24-M-S-25-M-S-26-M-S-27-M-SLS-18 5-D-4-X-S-5-X-S-14-X-S-15-X-S-20-X-S-25- X-S-26-X-SLS-185-D-20-N-S-23-N-S-24-N-S- 25-N-S-26-N-SLS-205-D-5-X-S-6-X-S-15-X-S -16-X-S-26-X-STHIS Manual COVERS THE FOLLOWING cylinder ACTUATOR FIGURE NUMBERS.

2 LS-185-D-4-M-S-5-M-S-14-M-S-15-M-S-20-M- S-25-M-S-26-M-SLS-205-D-5-M-S-6-M-S-15-M -S-16-M-S2 Orbit Manual 81-M-15 (9/02) cylinder Actuator of Spring-Close Two-Way Manual Mechanism ..5 INSTALLATIONI nstallation of Actuator/Valve Operating Parameter of Handwheel Operated Valves to Actuator Operated ValvesValve Model Mounting on L Valves Valve Model Plates ( Installation & Adjustment)..52 Nominal Valve Stroke Chart ..53 Spring Compression REPAIRA ctuator Removal From Valve ..57 Gas-Over-Oil Tank and Piping Removal & Installation ..59 Disassembly of Spring-Close Actuator (LS-124, LS-185, LS-205).

3 63 Assembly Of Spring-Close Actuator (LS-124, LS-185, LS-205)..68 Disassembly of Spring-Close Actuator with Two-Way Mechanism (LS-124, LS-185)..72 Assembly Of Spring-Close Actuator with Two-Way Mechanism (LS-124, LS-185)..78 Disassembly Of Spring-Close Actuator with Two-Way Mechanism (LS-205)..82 Assembly Of Spring-Close Actuator with Two-Way Mechanism (LS-205)..87 Actuator Conversions ..90 MAINTENANCEL ubrication Points ..91 Recommended Tank Fluid Panels ..93 Pressure Reserve Tank (Accumulator)..94 Electric CX ..97 APPENDIXA ctuator mounting L Valve is an Orbit term used to define a valve which is ready for actuator attachment.

4 (The handwheel assembly has been removed and any adapter flanges, if required, areinstalled on the valve bonnet.) The L does not appear as a prefix or suffix to the valve tool Z-2886is required to reassemble the tool when orderingreplacement : Orbit Manual 81-M-15 (9/02)3 cylinder ACTUATOR IDENTIFICATIONI dentification of the actuator figure number is needed for Installation and/ or actuator figure number is stamped on the valve/actuator Figure 1 for nameplate identification and NumberSIZE3" 300 CLFIG1223H RFSNXX 110091620001150 BAR MOPPKGGP6 STEM ASSEATCR13 TEF BODY STEEL WCCNOTIFIED BODY 0038 CORE TRIM 17-4 DATE04/01 CORE FACE NIIMPCT TEMPTEMP -29/ +260 CMAX PRESS.

5 DIFF. (BAR) FROMPREF. PRESS. END 19 OPPOSITE END 19 ACTUATOR FIG. 625164 OPERATING PRESSURE (BAR) TO VALVELITTLE ROCK, ARKSTANDARD TRIMS erial Number Lettered Prefix (some do not have prefix)Stamped ValveSerial NumberXX 123456 ValveSerial Number(May still be legible,even if the actuatorfigure number is not) Orbit VALVELITTLE ROCK, ARKSTANDARD TRIMSIZE3" 300 CLFIG1223H RFSNXX 110091620001150 BAR MOPPKGGP6 STEM ASSEATCR13 TEF BODY STEEL WCCNOTIFIED BODY 0038 CORE TRIM 17-4 DATE04/01 CORE FACE NIIMPCT TEMPTEMP -29/ +260 CMAX PRESS. DIFF. (BAR) FROMPREF.

6 PRESS. END 19 OPPOSITE END 19 ACTUATOR FIG. 625164 OPERATING PRESSURE (BAR) TO the nameplate is missing or illegible, the Orbit actuator figure number may beidentified by tracing the valve serial number back to its original Little Rockfactory maintains file records by valve serial reach the factory, call 1-800-643-6544 (within the USA).Allow a reasonableamount of time for the serial number to be Figure 2 below for the serial number :DO NOT USE THIS Manual FOR Orbit LG SERIES pressure could be Manual 79-M-13 for LG series spring close Orbit double acting cylinder ACTUATORS.

7 Use Manual 79-M-11 for LG series or use Manual 81-M-14 for LS Identification and LocationFIGURE2 Valve Serial Number Locations4 Orbit Manual 81-M-15 (9/02)OPERATION OF Spring-Close ACTUATORR efer to Figure Orbit Spring-Close cylinder actuator is used for remote operation of Orbit is accomplished by pressurizing the actuator to open the valve and de-pressurizing to compression spring is used to create the force to close thevalve/actuator and gas (air) pressure working on the opening side of the actuator pistonsis used to create the force to open the.

8 Avoid bleeding pressure from the actuator while valve is in service, unless valve closure is of pressure will cause the valve to (Air) PressureTo OpenPistonPistonCompression SpringTo CloseActuator StemExhaustFIGURE3 Spring-Close cylinder Actuator OperationOPTIONAL TWO-WAY Manual MECHANISM OPERATIONR efer to Figure two-way Manual mechanism is used to lock the valve in either the open or closed posi-tion, to manually open the valve if gas pressure to the actuator is lost, or to manually close thevalve if spring failure Manual 81-M-15 (9/02)5 OPERATION OF Spring-Close ACTUATOR, continuedLS-124 & 185 ACTUATORS (TYPE -M-)NORMAL OPERATING POSITION.

9 Spring-to-close and gas (air) pressure to bot-tom of the handwheel is adjusted so that it is just touching the top of the neutral position indi-cator gage and the jam nut is tightened against the top of the spring MANUALLY OPENthe valve, the jam nut is loosened and the handwheel is turnedcounterclockwise until the valve is MANUALLY CLOSEthe valve, the jam nut is loosened, the gas (air) pressure isbled from the actuator and the handwheel is turned clockwise , until the valve OPENthe valve, when the valve is open, loosen the jam nut and turn thehandwheel counterclockwise until positive resistance is LOCK CLOSEthe valve, when the valve is closed, loosen the jam nut and turn thehandwheel clockwise until positive resistance is & 185 ACTUATORS (TYPE -N-)NORMAL OPERATING POSITION.

10 Spring-to-close and gas (air) pressure to lock pin isinstalled in the Manual open position, as shown in the MANUALLY OPENthe valve, the lock pin is removed and the handwheel is turnedcounterclockwise until the valve is MANUALLY CLOSEthe valve, the lock pin is removed, the gas (air) pressure isbled from the actuator and the handwheel is turned clockwise until the valve LOCK OPENthe valve, when the valve is open, remove the lock pin and turn thehandwheel counterclockwise until positive resistance is LOCK CLOSEthe valve, when the valve is closed, remove the lock pin and turn thehandwheel clockwise until positive resistance is ACTUATORNORMAL OPERATING POSITION.