Emerson 1052- Manuals

1051 & 1052 F & G Actuators Instruction Manual Form 5062 May 2008 6 1-1/2 inch shafts is 136 N S m (100 lbf S ft); for 1-3/4 to 2-inch shafts is 183 N S m (135 lbf S ft). CAUTION Exceeding any torque requirementmay impair the safe operation of thisactuator by causing broken ordamaged parts. ...

1051 & 1052 F & G Actuators Instruction Manual Form 5062May 2008 7 Figure 4. Lever Operating Clearance 34.9(1.375) 1.6(0.0625) OPERATING CLEARANCE 13A6773-AA1739-4 / IL mm(INCH) Loading Connection 1. Connect the loading pressure piping to thepressure connection in the top of the diaphragmcas...

1051 & 1052 F & G Actuators Instruction Manual Form 5062 May 2008 8 a. Push-down-to-close— Slowly stroke the actuator to the down travel stop. Adjust theturnbuckle (key 57) until the valve is in the closedposition. Lock this adjustment with the left-handthreaded locknut (key 58). Stroke the ...

1051 & 1052 F & G Actuators Instruction Manual Form 5062May 2008 9 Principle of Operation The diaphragm rod moves down as loading pressureis increased on top of the diaphragm. As the loadingpressure is decreased, the spring forces thediaphragm rod upward. The spring and diaphragm have been s...

1051 & 1052 F & G Actuators Instruction Manual Form 5062May 2008 11 before completely removing the cap screw (key 9)could cause personal injury due to the suddenrelease of spring compression. D Slowly remove the cap screw (key 9) while making sure that the diaphragm head assembly isfollowing...

1051 & 1052 F & G Actuators Instruction Manual Form 5062 May 2008 12 actuator and lead to possible personalinjury or property damage. 5. Refer to figure 4 for the desired orientation of thehousing (key 20). Secure the housing to themounting yoke with cap screws (key 23). 6. Coat with lithium...

1051 & 1052 F & G Actuators Instruction Manual Form 5062May 2008 13 Figure 5. Travel Stop Orientation SIZE 40 A2534-1 / IL SIZE 60 AND 70 13. Refer to the appropriate valve instructionmanual for lever/valve shaft orientation marks, andslide the lever (key 27) into place; see figure 4 forcorr...

1051 & 1052 F & G Actuators Instruction Manual Form 5062 May 2008 14 styles A and D to styles B and C or vice versa or tochange the mounting position. WARNING To avoid personal injury, perform thesteps in the WARNING at thebeginning of the Maintenance sectionto isolate the control valve anda...

1051 & 1052 F & G Actuators Instruction Manual Form 5062May 2008 15 be equipped with a manual handwheelactuator. Refer to the separate manualhandwheel actuator instruction manualfor mounting instructions. Top-Mounted Handwheel Assembly is attached to a special upper diaphragm casing (key 1, ...

1051 & 1052 F & G Actuators Instruction Manual Form 5062 May 2008 16 2. Relieve all actuator spring compression byfollowing the procedures presented in theDisassembly portion of the Maintenance section.Then, rotate either the handwheel (key 51, figure 10)or the travel stop stem (key 133, fig...

1051 & 1052 F & G Actuators Instruction Manual Form 5062May 2008 17 Figure 6. Actuator Locking Mechanism MODIFIEDHOUSING(KEY 20) PADLOCK(CUSTOMERSUPPLIED) CAP SCREW (1 REQ’D) (KEY 129) LEVER 34B0458-AA6808 / IL LEVER CAP SCREW GROOVE PIN(KEY 127) JAM NUT (KEY 128) MOUNTINGPLATE ASSY(KEY 124)...

1051 & 1052 F & G Actuators Instruction Manual Form 5062 May 2008 18 Operating the Locking Mechanism To Unlock the Actuator 1. Remove the padlock. Loosen the jam nut (key 128), and unscrew the threaded bolt until it isstopped by the groove pin (key 127) in the threadedbolt. CAUTION For norma...

1051 & 1052 F & G Actuators Instruction Manual Form 5062May 2008 21 Parts Ordering When corresponding with your Emerson ProcessManagement sales office about this equipment, referto the serial number found on the actuatornameplate (key 41, figures 8 and 10). Also, specifythe complete 11-chara...

1051 & 1052 F & G Actuators Instruction Manual Form 5062 May 2008 22 Figure 8. Typical Type 1051 Actuator Assembly j APPLY LUBRICANT/SEALANT 55A9255-B / IL Parts List Common Parts (Figures 8 and 9) Note Part numbers shown are for recommended spares only. For part numbers not shown, contact y...

1051 & 1052 H & J Instruction Manual Form 5587November 2006 5 and approximate weights in table 7.This information is required for properfabrication of the user-providedbracket and coupling. 1. For an actuator with an H mounting adaptation,attach an appropriate mounting bracket (notprovided) ...

1051 & 1052 H & J Instruction Manual Form 5587November 2006 11 Center of Gravity Dimensions ACTUATOR ACTUATOR X Y ACTUATOR TYPE ACTUATOR SIZE mm Inch mm Inch 1051 40 15 0.6 191 7.5 1051 60 10 0.4 361 14.2 40 15 0.6 241 9.5 1052 60 10 0.4 432 17.0 1052 70 23 0.9 488 19.2 Figure 9. Center of G...

1051 & 1052 H & J Instruction Manual Form 5587 November 2006 12 Table 9. Wrench Sizes Required for Turnbuckle Adjustment, Inches ACTUATOR TURN- BUCKLE LOWER LOCKNUT UPPER LOCKNUT Type Size BUCKLE (KEY 57) LOCKNUT (KEY 16) LOCKNUT (KEY 58) 1051 & 1052 4060 1-1/8 1-5/16 3/4 15/16 1-1/8 1-5...

1051 & 1052 H & J Instruction Manual Form 5587November 2006 13 Table 10. Recommended Bolting Torques (1) KEY ACTUATOR SIZE KEY NUMBER 40 60 70 NUMBER N D m lbf D ft N D m lbf D ft N D m lbf D ft 6 27 20 27 20 27 20 7 & 8 41 30 41 30 102 75 9 34 25 102 75 102 75 16 34 25 61 45 102 75 18 8...

1051 & 1052 H & J Instruction Manual Form 5587 November 2006 14 Disassembly The following procedure describes how the actuatorcan be completely disassembled. When inspectionor repairs are required, perform only those stepsnecessary to accomplish the procedure. Do notunder ordinary circumstan...

1051 & 1052 H & J Instruction Manual Form 5587November 2006 15 attached output shaft (key 87) from the actuatorhousing (key 20). f. If necessary, remove the retaining ring (key 88)and slide the mounting bracket or mounting plateoff the output shaft. 8. Check the bearing (key 67) in the mount...

1051 & 1052 H & J Instruction Manual Form 5587 November 2006 16 (key 13 and 73) are to be replaced, unscrew thelower bearing seat from the adjustor, and thenremove the thrust bearing and the bearing races(keys 71 and 72) from the lower bearing seat. D For actuator designs with a set screw (k...

1051 & 1052 H & J Instruction Manual Form 5587 November 2006 18 DESIRED ACTION OF HOUSING CONSTRUCTION Actuator Operated Equipment CONSTRUCTION TO SPECIFY Push Down to Open (1) Clockwise to Close (3) Style A to Open (1) (PDTO) Counterclockwise to Close (3) Style B Push Down to Close (2) Cloc...

1051 & 1052 H & J Instruction Manual Form 5587November 2006 19 3. Loosen the cap screw (key 28). CAUTION If necessary, use a wheel puller toremove the lever (key 27) from theoutput shaft (key 87). It is permissibleto tap the wheel puller screw lightly toloosen the lever, but hitting the scre...

1051 & 1052 H & J Instruction Manual Form 5587 November 2006 20 2. Mark the orientation of the lever (key 27) withrespect to the output shaft (key 87). This marking isused during reassembly to allow for properlever/output shaft positioning. When the lever andoutput shaft are properly marked,...

1051 & 1052 H & J Instruction Manual Form 5587November 2006 21 Figure 11. Travel Stop Orientation 10. Follow the instructions in the TurnbuckleAdjustment section. Top-Mounted Handwheels andAdjustable Travel Stops Handwheel and Travel Stop Operation Note If repeated or daily manual operation ...

1051 & 1052 H & J Instruction Manual Form 5587November 2006 23 assemblies, the cotter pen and slotted nut (keys 247 and 54, figure 15) will have to beremoved so that the handwheel (key 51, figure 15) and locknut can be taken off the stemfirst. e. Remove and inspect the O-rings (keys 138and 1...

1051 & 1052 H & J Instruction Manual Form 5587 November 2006 24 Parts List Retrofit Kits Kit provides parts to add a top-mounted handwheel.Kit number 1 includes the handwheel assembly only.Kit number 2 includes Kit number 1 and a new uppercase (key 1) that is required to mount the handwheela...