TM-9-1270-219-13-P Fire and Flight Air Data Subsystem Helicopter Armament: XM 143 PN 03-004-02 Manual

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TM-9-1270-219-13-P

AVIATION UNIT AND INTERMEDIATE MAINTENANCE INSTRUCTIONS
WARNING
AVIATION UNIT AND INTERMEDIATE MAINTENANCE INSTRUCTIONS
AVIATION UNIT AND INTERMEDIATE MAINTENANCE INSTRUCTIONS
TABLE OF CONTENTS
TABLE OF CONTENTS cont'd
TABLE OF CONTENTS cont'd
TABLE OF CONTENTS cont'd
TABLE OF CONTENTS cont'd
CHAPTER 1 INTRODUCTION
Figure 1-1. Air Data Subsystem LRUs.
Figure 1-2. Air Data Subsystem Installation.
Figure 1-3. Airflow Under the Rotor.
Figure 1-4. AH-1S Low Airspeed Profile.
Figure 1-5. Air Data Subsystem Block Diagram.
Figure 1-6. Air Data Subsystem Modular Breakdown.
Figure 1-7. System Tie-In.
Figure 1-8. Airspeed and Direction Sensor.
Figure 1-9. AADS Angular Freedom.
Figure 1-10. AADS Cutaway View showing Pitot Plumbing.
Figure 1-11. AADS Cutaway View showing Static Plumbing.
Figure 1-12. AADS Dimensions.
AADS FUNCTIONAL DESCRIPTION
Figure 1-13. AADS Block Diagram.
Figure 1-14. Electronics Processor Unit.
Figure 1-15. EPU Exploded View.
Figure 1-16. EPU Dimensions.
Figure 1-17. Force Balance Transducer.
Figure 1-18. Force Balance Transducer Action Sequence.
Figure 1-19. Transducer Control Block Diagram.
Figure 1-20. Central Processor Unit Block Diagram.
Figure 1-21. ADS to FCC Interface Block Diagram.
Figure 1-23. Serial Output Word.
Figure 1-24. Analog Outputs Block Diagram.
Analog Inputs
Figure 1-25. Analog Inputs Block Diagram.
Figure 1-26. AIU Interface with AADSBlock Diagram.
Figure 1-27. Power Supply Unit Block Diagram.
Voltage Outputs
Figure 1-28. Low Airspeed Indicator.
Figure 1-29. LAI Sample Airspeed Indications.
Figure 1-30. LAI Block Diagram.
Table 1-1. Dimensions, Weight and Power Supply Requirements.
Table 1-3. Serial Digital Data ADS Outputs to FCC - continued.
Table 1-6. ADS Inputs.
Table 1-7. Air Data Subsystem Interface continued.
Table 1-8. Helicopter Installation Details continued.
Table 1-10. AVIM Tools and Test Equipment.
Figure 1-31. Test Set (General View).
Figure 1-32. Test Set (Front Panel).
Figure 1-33. Fixture AADS Checking.
Figure 1-34. Pneumatic Assembly.
Figure 1-35. Dual Purpose Capacity Tank.
Figure 1-36. Kit, Pneumatic.
Chapter 2 OPERATING INSTRUCTIONS
Chapter 3 OPERATING/CREW MAINTENANCE INSTRUCTIONS
CHAPTER 4 AVIATION UNIT MAINTENANCE INSTRUCTIONS
Figure 4-1. Sensor Installation and Helicopter Plumbing
Removing the Sensor Installation.
Installing the EPU
Figure 4-2. EPU on Helicopter Bulkhead.
Figure 4-3. LAI in Pilots Instrument Panel
Table 4-1. Preventive Maintenance Checks and Services
Table 4-2 ADS Troubleshooting
Figure 4-4. Diagnostic Flow Chart for ADS Leak Test.
Equipment Setting-Up
Figure 4-5. Pneumatic Circuit for AADS Pitot Leak Test.
Figure 4-6. Pneumatic Circuit for AADS Static Leak Test.
Figure 4-7. Pneumatic Circuit for EPU and Plumbing Pilot Leak Test
EPU and Plumbing Pitot Static Leak Test.
Figure 4-8. Pneumatic Circuit for EPU and Plumbing Pitot and Static Leak Test.
Figure 4-9. EPU and Plumbing Pitot and Static Leak Rate.
Figure 4-11. Pneumatic Circuit for Pitot Plumbing Leak Test.
Figure 4-12. Pneumatic Circuit for Static Plumbing Leak Test.
Figure 4-13. Pneumatic Circuit for EPU Pitot Leak Test.
Figure 4-14. Pneumatic Circuit for EPU Pitot and Static Leak Test.
Subsystem Pitot Leak Test.
Figure 4-15. Pneumatic Circuit for ADS Pilot Leak Test
Figure 4-16. Pneumatic Circuit for ADS Pitot and Static Leak Test.
Chapter 6 AVIATION INTERMEDIATE MAINTENANCE INSTRUCTIONS
SECTION III. FUNCTIONAL TEST
AADS Preliminary Test
Figure 5-1. AADS Bonding Resistance Test.
Figure 5-2. AADS Test Electrical Connections.
Figure 5-3. AADS Installed in AADS Fixture.
Figure 5-4. Angular Outputs Accuracy Test - Sin
Figure 5-5. Angular Outputs Accuracy Test - Sin
Static Pressure Path Flow Test.
Figure 5-6. Pneumatic Circuit-Static Pressure Leak Test and Static Pressure-Path Flow Test.
Table 5-3. Test Equipment for EPU Testing.
Figure 5-8. EPU Test Electrical Connections (Sheet 1 of 2).
Figure 5-8. EPU Test Electrical Connections (Sheet 2 of 2).
Table 5-4. Self Test.
Table 5-5. True Airspeed Check.
Table 5-7. Indicated Airspeed Calibration Check.
Figure 5-9. Pneumatic CircuitPitot Pressure Leak Tests.
Figure 5-11. Pneumatic Connection to Water Manometer.
Table 5-8. Altitude Calibration Check.
LAI Functional Tests.
Section IV TROUBLESHOOTING
Table 5-10. Test Equipment for EPU Troubleshooting.
Table 5-11. Troubleshooting - continued.
Table 5-11. Troubleshooting - continued.
Table 5-11. Troubleshooting - continued.
Table 5-11. Troubleshooting - continued.
Table 5-12. TP7, TP8 Outputs.
Figure 5-13. ANLG IN Waveform.
Figure 5-14. ANLG OUT Waveform.
Unpacking
Figure 5-15. Removal and Installation of EPU SRUs.
Pressure Transducer Unit Installation
Figure 5-16. Sensor Installation
Chapter 6 Repair Instructions
Chapter 7 Maintenance of Auxilary Equipment
CHAPTER 8 FINAL INSPECTION
APPENDIX A REFERENCES
REFERENCES
APPENDIX B COMPONENTS OF END ITEM LIST
APPENDIX C ADDITIONAL AUTHORIZATION LIST
Appendix D Maintenance Allocation Chart
Column 3, Maintenance Functions
Section II. Maintenance Allocation Chart
Section II. Maintenance Allocation Chart
Section III.TOOL AND TEST EQUIPMENT REQUIREMENTS.
Section IV. Remarks
APPENDIX E REPAIR PARTS AND SPECIAL TOOLS LIST
MAINTENANCE CODE
How to Locate Repair Parts
Figure E-1. Air Data Subsystem, 03-004-02.
GROUP 00 AIR DATA SUBSYSTEM
Figure E-2. Electronics Processor Unit, 50-042-02.
GROUP 01 ELECTRONICS PROCESSOR UNIT
Figure E-3. Pressure Transducer Unit, 60082-025-02.
GROUP 0101 PRESSURE TRANSDUCER UNIT
Figure E-4. Pressure Tranducer Unit, Printed Wiring Board Assembly, 60082-225.
Legend For Figure E-4
Legend For Figure E-4 cont'd
Legend For Figure E-4 cont'd
GROUP 010101 PRESSURE TRANSDUCER UNIT PRINTED WIRING BOARD A SSY
GROUP 010101 PRESSURE TRANSDUCER UNIT PRINTED WIRING BOARD A SSY
GROUP 010101 PRESSURE TRANSDUCER UNIT PRINTED WIRING BOARD A SSY
GROUP 010101 PRESSURE TRANSDUCER UNIT PRINTED WIRING BOARD A SSY
GROUP 010101 PRESSURE TRANSDUCER UNIT PRINTED WIRING BOARD A SSY
GROUP 010101 PRESSURE TRANSDUCER UNIT PRINTED WIRING BOARD A SSY
Figure E-5. Analog Interface Unit, Printed Wiring Board Assembly, 60082-011-02.
Legend for Figure E-5.
Legend for Figure E-5. cont'd
GROUP 0102 ANALOG INTERFACE UNIT PRINTED WIRING BOARD
GROUP 0102 ANALOG INTERFACE UNIT PRINTED WIRING BOARD
GROUP 0102 ANALOG INTERFACE UNIT PRINTED WIRING BOARD
Figure E-6. Central Processor Unit, Printed Wiring Board Assembly, 60082-005-02.
Legend for Figure E-6.
GROUP 0103 CENTRAL PROCESSOR UNIT
GROUP 0103 CENTRAL PROCESSOR UNIT
Figure E-7. Power Supply Unit, 60082-111-02.
GROUP 0104 POWER SUPPLY UNIT
GROUP 0104 POWER SUPPLY UNIT
Figure E-8. Power Supply Unit, Printed Wiring Board 1 Assembly, 60082-252.
Legend For Figure E-6
GROUP 01041 POWER SUPPLY UNIT PRINTED WIRING BOARD 1 ASSEMBL
Figure E-9. Power Supply Unit, Printed Wiring Board 2 Assembly, 60082-261.
Legend For Figure E-9.
GROUP 010402 POWER SUPPLY UNIT PRINTED WIRING BOARD 2 ASSEMBLY
GROUP 010402 POWER SUPPLY UNIT PRINTED WIRING BOARD 2 ASSEMBLY
Figure E-10. Front Panel Assembly, 60082-022-02.
GROUP 0105 FRONT PANEL ASSEMBLY
Figure E-11. Low Airspeed Indicator, 79-056-02.
GROUP 02 LOW AIRSPEED INDICATOR
Figure E-12. LOW Airspeed Indicator, Chassis Assembly, 60087-001-02.
GROUP 0201 LOW AIRSPEED INDICATOR CHASSIS ASSEMBLY
GROUP 0201 LAI CHASSIS ASSEMBLY
Figure E-13. Low Airspeed Indicator, Printed Wiring Board Assembly, 60087-110.
Legend for Figure E-13.
GROUP 020101 LOW AIRSPEED INDICATOR PRINTED WIRING BOARD
GROUP 020101 LOW AIRSPEED INDICATOR PRINTED WIRING BOARD
Figure E-14. Airspeed and Direction Sensor, 05-010-02.
GROUP 03 AIRSPEED AND DIRECTION SENSOR
Figure E-15. Tail Assembly, 60093-001-02
GROUP 0301 TAIL ASSEMBLY
Figure E-16. Neck Assembly, 60093-012-02.
GROUP 0302 NECK ASSEMBLY
GROUP 0302 NECK ASSEMBLY
Figure E-17. Cover and Dowel Assembly, 60093-067-02.
GROUP 0303 COVER AND DOWEL ASSEMBLY
Figure E-18. Body and Plug Assembly, 60093-077-02.
GROUP 0304 BODY AND PLUG ASSEMBLY
Figure E-19. Plate and Connector Assembly, 60093-080-02.
GROUP 0305 PLATE AND CONNECTOR ASSEMBLY
Figure E-20. Head Assembly, 60093-081-01.
GROUP 0306 HEAD ASSEMBLY
Figure E-21. Sensor Installation, 209-071-363-101.
GROUP 04 SENSOR INSTALLATION
GROUP 04 SENSOR INSTALLATION
Section III. Special Tools List
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
NATIONAL STOCK NUMBER AND PART NUMBER INDEX
APPENDIX F EPENDABLE SUPPLIES AND MATERIALS LIST
SECTION II. EXPENDABLE SUPPLIES AND MATERIELS
GLOSSARY
GLOSSARY
INDEX
INDEX
INDEX
INDEX
INDEX
Figure FO-1. EPU Block Diagram
Figure FO-2. EPU Wiring Diagram
Figure F0-3 Construction of Dual Purpose Capacity Tank
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TM-9-1270-219-13-P
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