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Masoneilan 37-38 Series Actuators  

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© 2014 General Electric Company. All rights reserved.

THESE INSTRUCTIONS PROVIDE THE CUSTOMER/OPERATOR WITH IMPORTANT PROJECT-SPECIFIC REFERENCE 
INFORMATION IN ADDITION TO THE CUSTOMER/OPERATOR’S NORMAL OPERATION AND MAINTENANCE PROCEDURES. 
SINCE OPERATION AND MAINTENANCE PHILOSOPHIES VARY, GE (GENERAL ELECTRIC COMPANY AND ITS SUBSIDIARIES 
AND AFFILIATES) DOES NOT ATTEMPT TO DICTATE SPECIFIC PROCEDURES, BUT TO PROVIDE BASIC LIMITATIONS AND 
REQUIREMENTS CREATED BY THE TYPE OF EQUIPMENT PROVIDED. 

THESE INSTRUCTIONS ASSUME THAT OPERATORS ALREADY HAVE A GENERAL UNDERSTANDING OF THE REQUIREMENTS 
FOR SAFE OPERATION OF MECHANICAL AND ELECTRICAL EQUIPMENT IN POTENTIALLY HAZARDOUS ENVIRONMENTS. 
THEREFORE, THESE INSTRUCTIONS SHOULD BE INTERPRETED AND APPLIED IN CONJUNCTION WITH THE SAFETY 
RULES AND REGULATIONS APPLICABLE AT THE SITE AND THE PARTICULAR REQUIREMENTS FOR OPERATION OF OTHER 
EQUIPMENT AT THE SITE.

THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR 
EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION, OPERATION OR MAINTENANCE. 
SHOULD FURTHER INFORMATION BE DESIRED OR SHOULD PARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED 
SUFFICIENTLY FOR THE CUSTOMER/OPERATOR'S PURPOSES THE MATTER SHOULD BE REFERRED TO GE. 

THE RIGHTS, OBLIGATIONS AND LIABILITIES OF GE AND THE CUSTOMER/OPERATOR ARE STRICTLY LIMITED TO 
THOSE EXPRESSLY PROVIDED IN THE CONTRACT RELATING TO THE SUPPLY OF THE EQUIPMENT. NO ADDITIONAL 
REPRESENTATIONS OR WARRANTIES BY GE REGARDING THE EQUIPMENT OR ITS USE ARE GIVEN OR IMPLIED BY THE 
ISSUE OF THESE INSTRUCTIONS.

THESE INSTRUCTIONS CONTAIN PROPRIETARY INFORMATION OF GE, AND ARE FURNISHED TO THE CUSTOMER/
OPERATOR SOLELY TO ASSIST IN THE INSTALLATION, TESTING, OPERATION, AND/OR MAINTENANCE OF THE EQUIPMENT 
DESCRIBED. THIS DOCUMENT SHALL NOT BE REPRODUCED IN WHOLE OR IN PART NOR SHALL ITS CONTENTS BE 
DISCLOSED TO ANY THIRD PARTY WITHOUT THE WRITTEN APPROVAL OF GE.

Summary of Contents for 37 Series

Page 1: ...GE Oil Gas 37 38 Series Masoneilan Spring Diaphragm Actuators Instruction Manual GE Data Classification Public ...

Page 2: ...2 GE Oil Gas 2014 General Electric Company All rights reserved ...

Page 3: ...TS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION OPERATION OR MAINTENANCE SHOULD FURTHER INFORMATION BE DESIRED OR SHOULD PARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFICIENTLY FOR THE CUSTOMER OPERATOR S PURPOSES THE MATTER ...

Page 4: ... upper case popping up when the cap screws 45 are removed This is especially important on actuators with a high initial spring setting Remove cap screws 45 nuts 46 and upper diaphragm case 43 Remove nut 30 and washer 41 to release the diaphragm 39 If possible the replacement diaphragm should be of the molded type supplied by Masoneilan but in an emergency a diaphragm may be cut from flat sheet sto...

Page 5: ...39 40 41 43 44 Packing Spring Seat upper Spring Seat lower Pipe Plug Spring Adjustor Bushing spring adjuster Diaphragm Diaphragm Plate Diaphragm Washer Upper Diaphragm Case Lower Diaphragm Case PACKING USPR ST LSPR ST PIP PLG SPR ADJ BUSHING DIAPHRM DPH PLT PDH WSH U D CSE L D CSE 45 46 56 57 70 71 72 73 74 Cap Screw diaph case Nut diaph case Travel Indicator Scale Machine Screw Ball and Retainer ...

Page 6: ...6 GE Oil Gas 2014 General Electric Company All rights reserved Notes ...

Page 7: ...Masoneilan 37 38 Series Actuators 7 2014 General Electric Company All rights reserved Notes ...

Page 8: ...AN Chiba Phone 81 43 297 9222 Fax 81 43 299 1115 KOREA Phone 82 2 2274 0748 Fax 82 2 2274 0794 MALAYSIA Phone 60 3 2161 0322 Fax 60 3 2163 6312 MEXICO Phone 52 5 310 9863 Fax 52 5 310 5584 THE NETHERLANDS Phone 0031 15 3808666 Fax 0031 18 1641438 RUSSIA Veliky Novgorod Phone 7 8162 55 7898 Fax 7 8162 55 7921 Moscow Phone 7 495 585 1276 Fax 7 495 585 1279 SAUDI ARABIA Phone 966 3 341 0278 Fax 966 3...

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