ES-817 Rev. D
Copyright 2020. This document and all information herein are the property of Dresser LLC
Page 13 of 14
9
Maintenance & Repair
NOTE:
Only qualified service personnel are permitted to make repairs
WARNING: EXPLOSION HAZARD – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR USE
IN A HAZARDOUS LOCATION.
REPAIR OF THE FLAMEPATHS OF THE EQUIPMENT IS NOT PERMITTED.
The addition or replacement of the any of the spare parts listed below are the only field repairs
permitted. Replace ONLY with genuine Baker Hughes Masoneilan branded parts supplied by Baker
Hughes. This includes the assemblies mentioned here but also mounting screws and gaskets. No
substitutions with non-Masoneilan branded parts are permitted. Detailed replacement procedures are
described in the Instruction Manual and within each of the spare parts kits.
For more information contact Masoneilan Dresser LLC/ 12970 Normandy Blvd. Jacksonville FL 32221
USA. Dresser LLC.
For assistance, contact the nearest sales office, your local representative or email
. Visit our web page at
http://valves.bakerhughes.com/
Approved Spare Parts Modules:
Options Module
User Interface Module
Blind User Interface Cover
Main Electronics Module
Threaded End Cover
Conduit Entry Plug
Pneumatics Module
10
Maintenance Connection
The Main Module contains a connection point for the installation of new firmware to the unit during its
lifecycle. It is not intended for field use and has been designed to prevent connection to field wiring.
This connection is not intended for customer use.
11
Revision history
The table below describes the revision history of this document.
A - Added M - Modified D - Deleted
Rev.
Changed
figure,
table,
chapter
A
M
D
Title or brief description
Date
-
-
-
Initial Release
6/14/18
A
§8.2.2.1
M
Modify Entity Parameter Ci from 9 nF to 5.1 nF to match Rev. B Design
8/16/18