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NOTICE: PROPRIETARY INFORMATION OF WHITTAKER CONTROLS, INC., A BUSINESS UNIT OF MEGGITT PLC.
THE INFORMATION CONTAINED IN THIS DOCUMENT IS DISCLOSED IN CONFIDENCE. IT IS THE PROPERTY OF
WHITTAKER CONTROLS, AND SHALL NOT BE USED, DISCLOSED TO OTHERS, OR REPRODUCED IN WHOLE
OR IN PART WITHOUT THE EXPRESS WRITTEN CONSENT OF WHITTAKER CONTROLS. IF CONSENT IS GIVEN
THIS NOTICE SHALL APPEAR IN ANY SUCH REPRODUCTION.
Maintenance Manual
ABSOLUTE PRESSURE
TRANSDUCER ASSEMBLY
PART NUMBERS:
C173255-1
C173255-2
C173255-3
C173255-4
REVISION 2.1 – 04/01/2004
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Summary of Contents for Meggitt Whittaker C173255-1
- Page 1 C173255-3 C173255-4 NOTICE: PROPRIETARY INFORMATION OF WHITTAKER CONTROLS, INC., A BUSINESS UNIT OF MEGGITT PLC. THE INFORMATION CONTAINED IN THIS DOCUMENT IS DISCLOSED IN CONFIDENCE. IT IS THE PROPERTY OF WHITTAKER CONTROLS, AND SHALL NOT BE USED, DISCLOSED TO OTHERS, OR REPRODUCED IN WHOLE OR IN PART WITHOUT THE EXPRESS WRITTEN CONSENT OF WHITTAKER CONTROLS.
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Page 2: Table Of Contents
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 LIST OF EFFECTIVE PAGES On a revised page, the portion of text or illustrations affected by the change is indicated by a vertical line in the outer margin of the page. When a revision is issued, the entire document is reissued with the current revision number and date shown on all pages. - Page 3 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 LIST OF TABLES TABLE PAGE Specifications and Characteristics ..........6 Leading Particulars .
- Page 4 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 WEAR PROTECTIVE CLOTHING ! Wear protective clothing (gloves, apron, etc.) approved for the materials and tools being used. USE APPROVED SAFETY EQUIPMENT ! When cleaners are being used, approved explosion-proof lights, blowers, and other equipment must be used.
- Page 5 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 OPERATION AND MAINTENANCE NEAR HIGH PRESSURE COMPRESSED GAS SYSTEMS ! Protect all gas lines from damage or puncture. Do not operate the equipment if a gas leak is detected –...
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Page 6: Introduction
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 INTRODUCTION Purpose of Manual This technical manual contains instructions for operation and maintenance of the Absolute Pressure Transducer Assembly (transducer assembly). This manual is intended to provide infor- mation in sufficient detail to permit proper fault isolation, maintenance, and repair of the equip- ment. - Page 7 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 Maintenance Parts List – Contains a list of spare parts recommended for on-site support of the equipment. Symbols and Abbreviations Symbols and abbreviations used in this technical manual are as follows:...
- Page 8 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 Table 1. Specifications and Characteristics Applications ....... . . General Electric LM1600, LM2500, LM2500+ and LM6000 Gas Turbine Engines Service Fluid .
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Page 9: Description And Operation
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 DESCRIPTION AND OPERATION System Operation The fuel metering system is designed to provide the controlled flow of natural gas fuel to the engine. After the natural gas inlet supply line and the fuel metering valve outlet lines are connected, and the electrical connections are made, natural gas is applied to the fuel metering valve gas inlet from the facility gas supply system. -
Page 10: Absolute Pressure Transducer Assembly
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 Figure 1. Absolute Pressure Transducer Assembly INDUSTRIAL PRODUCTS GROUP Revision 2.1 04/01/2004 Page 8... - Page 11 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 Leading Particulars (Refer to Table 2) Table 2 Leading Particulars Type ........Digital pressure transducers and interface electronics in explosion proof enclosure Service Fluid .
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Page 12: Installation
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 INSTALLATION General This section contains information on installation and interfacing of the transducer assembly with the engine and the GE engine control system. Installation Pressure Ports The gas pressure ports are standard ¾-inch compression tube fittings in accordance the appli-... -
Page 13: Fault Isolation
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 FAULT ISOLATION General This section contains specific checks required to fault isolate the transducer assembly during service. The first step in fault isolation is to verify the electrical connections. Make sure that all of the con- nections are secure and that there are no damaged conductors. - Page 14 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 Figure 2. Interconnection Diagram INDUSTRIAL PRODUCTS GROUP Revision 2.1 04/01/2004 Page 12...
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Page 15: Repair
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 REPAIR General This section outlines specific repair tasks which may be required, as determined by the results of performing fault isolation procedures. Prior to any repair action, perform the fault isolation procedures (refer to FAULT ISOLATION). - Page 16 WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 Circuit Board Replacement Removal Disconnect all (three or four) transducer cable assemblies from the circuit board. Disconnect the cables connected to the 32-pin connector. Make sure that the connec- tor terminations are marked on the cable, so that they can be easily reconnected during installation.
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Page 17: Maintenance Parts List
WHITTAKER CONTROLS, INC. A MEGGITT PLC COMPANY MAINTENANCE MANUAL ABSOLUTE PRESSURE TRANSDUCER ASSEMBLY C173255 MAINTENANCE PARTS LIST General This section identifies parts recommended for on-site maintenance of transducer assembly. All of the recommended items may be ordered from Whittaker Controls.
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