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Curtiss-Wright  |  EL30      Rev. H      PN23942      6/14/16 

 
 
 

 

EL30 Explosion-Proof Linear Actuator 

Installation and Service Manual

 

 

 
 

Class 1, Division 1, Groups B, C and D Hazardous  

Environment Rating 

Information furnished by Exlar Corporation is believed to be accurate and reliable. 
However, no responsibility is assumed by Exlar Corporation for its use. Exlar reserves 
the right to change the design and operation of the equipment described herein and any 
associated motion products that may appear in this document. Information in this 
document pertaining to equipment not furnished by Exlar should be confirmed by that 
equipment manufacturer. Exlar assumes no responsibility for changes to information by 
other manufacturers or errors in that information or the description of that information. 
Information in this document is subject to change without notice. 
 
 
 

This document does not contain any export controlled technical data.

 

Содержание EL30

Страница 1: ...ight to change the design and operation of the equipment described herein and any associated motion products that may appear in this document Information in this document pertaining to equipment not furnished by Exlar should be confirmed by that equipment manufacturer Exlar assumes no responsibility for changes to information by other manufacturers or errors in that information or the description ...

Страница 2: ...tuator Pin outs and Connections 2 4 Feedback Information 3 0 Installation and Operation 3 1 Lubrication Requirements 3 2 Grease Lubrication 3 5 Mounting Configurations 3 6 Mounting Considerations 3 7 General Operation 4 0 Maintenance Procedures 4 1 Disassembly 4 2 Lubrication Maintenance 4 3 Reassembly 4 4 Seal Maintenance 5 0 System Installation 5 1 Exlar SV Series Digital Positioner with Exlar E...

Страница 3: ...ls wipers bearings brakes bushings gears splines and roller screw parts are considered wear parts and must be inspected and serviced on a regular basis Any damage caused by failure to properly lubricate Exlar products and or to replace wear parts at appropriate times is not covered by this warranty Any damage due to excessive loading is not covered by this warranty The use of products or component...

Страница 4: ...esent in the air in quantities sufficient to produce explosive or ignitable mixtures Division 1 means that hazardous concentrations in the air may exist continuously intermittently or periodically under normal operating conditions Group B allows for atmospheres containing hydrogen or gases or vapors of equivalent hazard such as manufactured gas Group C allows for atmospheres containing ethyl ether...

Страница 5: ...nections for a single axis system with an EL actuator and servo amplifier Each brand of brushless motor amplifiers may have unique wiring requirements parameter settings and operational principles that affect how the actuator operates Details on connections can be obtained from Exlar applications engineering Never attempt to connect or disconnect the actuator with power applied Dangerous voltages ...

Страница 6: ...olver rotation Many amplifiers offer software that allows the entering of parameters or the downloading of motor data files that dictate how the feedback must be set up on the motor Exlar can provide many of these data files or the proper parameters to enter Entering motor parameter data to some amplifiers may require assistance from the amplifier manufacturer Feedback Alignment When Exlar manufac...

Страница 7: ...ases of the motor during the actuator assembly 3 0 INSTALLATION AND OPERATION 3 1 Lubrication Requirements The actuator is shipped from the factory fully greased and ready for installation Exlar recommends using Mobilith SHC 220 a high performance extreme pressure grease The unique physical properties of the synthetic base oil provide outstanding protection against wear rust corrosion and high or ...

Страница 8: ...rotary motion of the motor and the linear motion of the actuator corresponds to the following relationships Linear Distance Traveled in Motor Revolutions Roller Screw Lead Linear Speed in sec Motor RPM 60 Roller Screw Lead Linear Force lbf Motor Torque in lbf 2 efficiency Roller Screw Lead in All of the above relationships require proper anti rotation of the EL Series actuator rod For more informa...

Страница 9: ...nd cap of the actuator The end cap houses the feedback device Alignment of this feedback device to the phases of the motor is critical to the operation of the system Some feedback devices are sensitive to movement of their mounting surface once installed and can be damaged if care is not taken 4 If your actuator does not have a front flange skip this step Slide the front flange forward and off the...

Страница 10: ...ring that is visible as well Use the following amounts of grease for each size roller screw and bearing Use EL30 0 75 in 3 4 3 Reassembly 1 Rethread the roller screw into the internally threaded cylinder ITC It is a multiple start screw and this is not always easy DO NOT FORCE THE ROLLER SCREW INTO THE CYLINDER It is best to have the actuator vertical with the open end of the roller screw cylinder...

Страница 11: ...N m 4 4 Seal Maintenance It is recommended that at the suggested time of lubrication the main rod seal and bushing assembly FSB be replaced The main rod seal can be removed by threading it out of the face plate using a standard rod seal gland wrench or spanner wrench A new main rod seal can be slid over the main rod taking care not to touch the seal material to the threaded rod end To have this se...

Страница 12: ...ing from which the FSB was just removed 3 Replace the o ring with the o ring supplied with the new FSB 4 Taking care not to touch the seal material to any sharp rod features such as threads slide the FSB on to the actuator rod and to the face plate 5 Using the appropriate gland and spanner wrench tighten the FSB to the proper torque level indicated in the previous table 5 0 SYSTEM INSTALLATION Thi...

Страница 13: ...Curtiss Wright EL30 Rev H PN23942 6 14 16 13 For detailed set up instructions see the SV Series installation and configuration manual 5 1 Exlar SV Series Digital Positioner with Exlar EL30 ...

Страница 14: ... of current capacity or is limited to too low of current capacity Actuator housing moves or vibrates when shaft is in motion 1 Check actuator mounting Insure that the actuator is securely mounted 2 Amplifier is improperly tuned wrong gain settings Tune amplifier Output rod rotates during motion and thus does not provide proper linear motion 1 Install Exlar anti rotation assembly or incorporate ant...

Страница 15: ... discuss the return with Exlar Technical Support prior to requesting an RGA number to see if it is possible to resolve the issue prior to return If it is determined that an RGA number is required please do so by completing an online RGA request form located at http exlar com return authorization request International Repairs Closely follow instructions provided by the Exlar Returned Goods Administ...

Страница 16: ...Curtiss Wright EL30 Rev H PN23942 6 14 16 16 7 0 CERTIFICATIONS ...

Страница 17: ...Curtiss Wright EL30 Rev H PN23942 6 14 16 17 ...

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