Section I. GENERAL INFORMATION - TM-55-1905-223-24-140007
FIGURE 1-1. Gyro Compass System Equipment.
FIGURE 1-2. Magnetic Compass System Equipment.
Section II. EQUIPMENT DESCRIPTION AND DATA - TM-55-1905-223-24-140010
FIGURE 1-3. Gyro and Magnetic Compass Equipment Location (Pilothouse).
FIGURE 1-4. Gyro Compass Equipment Location (Below Decks - AFT).
FIGURE 1-5. Gyro Compass.
FIGURE 1-6. Gyro Control and Power Assembly.
Relay Transmitte
FIGURE 1-7. Power Converter.
FIGURE 1-8. Switch Unit.
FIGURE 1-9. Relay Transmitter (Sheet 1 of 3).
FIGURE 1-9. Relay Transmitter (Sheet 2 of 3).
FIGURE 1-9. Relay Transmitter (Sheet 3 of 3).
FIGURE 1-10. Power Transfer Unit.
Azimuth Circle
FIGURE 1-11. Bearing Repeater.
FIGURE 1-12. Pelorus Stand.
FIGURE 1-13. Open Scale, Repeater.
FIGURE 1-14. Bulkhead Mounting Bracket.
FIGURE 1-15. Azimuth Circle and Box.
Table 1-1. Equipment Data
Safety, Care and Handling
Location and Description of Major Components - TM-55-1905-223-24-140030
FIGURE 1-16. Binnacle (Sheet 1 of 2).
FIGURE 1-16. Binnacle (Sheet 2 of 2).
FIGURE 1-17. Magnetic Compass.
Gyro Compass.
FIGURE 1-18. Gyro Compass System (Sheet 1 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 2-of 6).
FIGURE 1-18. Gyro Compass System (Sheet 3 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 4 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 5 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 6 of 6).
Magnetic Compass
Deviation
Power Distribution
FIGURE 1-19. Binnacle Power Distribution.
chapter 2 UNIT MAINTENANCE INSTRUCTIONS
Section III. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Table 2-1. Unit Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System
Table 2-1. Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System - CONT - TM-55-1905-223-24-140048
Table 2-1. Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System - CONT - TM-55-1905-223-24-140049
Table 2-1. Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System - CONT - TM-55-1905-223-24-140050
Table 2-2. Unit Preventive Maintenance Checks and Services (PMCS) for Magnetic Compass System
Section IV. UNIT MAINTENANCE TROUBLESHOOTING
SYMPTOM INDEX - CONT
Table 2-3. Unit Maintenance Troubleshooting
Table 2-3. Unit Maintenance Troubleshooting - CONT - TM-55-1905-223-24-140055
Table 2-3. Unit Maintenance Troubleshooting - CONT - TM-55-1905-223-24-140056
GYRO COMPASS SYSTEM - Continued - TM-55-1905-223-24-140057
GYRO COMPASS SYSTEM - Continued - TM-55-1905-223-24-140058
MAGNETIC COMPASS SYSTEM
Section V. UNIT MAINTENANCE PROCEDURES
Replace Gyro Compass
FIGURE 2-1. Gyro Compass Replacement.
REPLACEMENT - TM-55-1905-223-24-140063
Replace Cyro Control And Power Assembly
FIGURE 2-2. Gyro Control and Power Assembly Replacement.
REPLACEMENT - TM-55-1905-223-24-140066
Repair Gyro Control And Power Assembly
FIGURE 2-3. Gyro Control and Power Assembly Lamp Replacement.
DC Fuse Replacement.
FIGURE 2-5. Cable (C-LC12) Replacement.
Cable (C-LC12) Replacement.
Replace Switch Unit
FIGURE 2-6. Switch Unit Replacement.
REPLACEMENT - TM-55-1905-223-24-140074
Replace Relay Transmitter
FIGURE 2-7. Relay Transmitter Replacement (Sheet 1 of 2).
FIGURE 2-7. Relay Transmitter Replacement (Sheet 2 of 2).
REPLACEMENT - TM-55-1905-223-24-140078
REPLACEMENT - cont - TM-55-1905-223-24-140079
Repair Relay Transmitter
FIGURE 2-8. Relay Transmitter Lamp and Fuse Replacement.
ASSEMBLY
Replace Open Scale Repeater
FIGURE 2-9. Open Scale Repeater Replacement.
REPLACEMENT - TM-55-1905-223-24-140085
Repair Open Scale Repeater
FIGURE 2-10. Open Scale Repeater Lamp Replacement.
Special purpose electrical cable (6 ft) replacement - TM-55-1905-223-24-140088
FIGURE 2-11. Open Scale Repeater Cable Replacement.
Special purpose electrical cable (6 ft) replacement - TM-55-1905-223-24-140090
Replace Bearing Repeater
FIGURE 2-12. Relay Transmitter.
FIGURE 2-13. Bearing Repeater Replacement.
REPLACEMENT - TM-55-1905-223-24-140094
REPLACEMENT - CONT - TM-55-1905-223-24-140095
Repair Bearing Repeater.
FIGURE 2-14. Bearing Repeater Lamp Replacement.
REPAIR - TM-55-1905-223-24-140098
Special purpose electrical cable
FIGURE 2-15. Bearing Repeater Cable Replacement.
Special purpose electrical cable (Cont)
Replace Bulkhead Mounting Bracket
FIGURE 2-16. Bulkhead Mounting Bracket Replacement.
REPLACEMENT - TM-55-1905-223-24-140104
Replace Pelorus Stand
FIGURE 2-17. Pelorus Stand Replacement.
REPLACEMENT - TM-55-1905-223-24-140107
REPLACEMENT - CONT - TM-55-1905-223-24-140108
Replace Power Converter
FIGURE 2-18. Power Converter Replacement.
REPLACEMENT - TM-55-1905-223-24-140111
Repair Power Converter
FIGURE 2-19. Power Converter Lamp and Fuse Replacement.
REPAIR - TM-55-1905-223-24-140114
Replace Power Transfer Unit
FIGURE 2-20. Power Transfer Unit Replacement.
REPLACEMENT - TM-55-1905-223-24-140117
MAINTENANCE OF MAGNETIC COMPASS BINNACLE
FIGURE 2-21. Binnacle Replacement.
REPLACEMENT - TM-55-1905-223-24-140120
REPLACEMENT - cont - TM-55-1905-223-24-140121
Repair Binnacle
FIGURE 2-22. Binnacle Lamp Replacement.
Compass fluid replacement.
FIGURE 2-23. Magnetic Compass Fluid Replacement.
Section VI. PREPARATION FOR STORAGE OR SHIPMENT
CHAPTER 3 INTERMEDIATE DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
CHAPTER 4 INTERMEDIATE GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
APPENDIX A REFERENCES - TM-55-1905-223-24-140129
Section I. INTRODUCTION - TM-55-1905-223-24-140130
Explanation of Columns in the MAC, Section II. - TM-55-1905-223-24-140131
Explanation of Columns in Tool and Test Equipment Requirements, Section III.
Explanation of Columns in Remarks, Section IV.
SECTION II MAINTENANCE ALLOCATION CHART - TM-55-1905-223-24-140134
SECTION II MAINTENANCE ALLOCATION CHART - CONT - TM-55-1905-223-24-140135
SECTION II MAINTENANCE ALLOCATION CHART - CONT - TM-55-1905-223-24-140136
SECTION IV REMARKS GYRO AND MAGNETIC COMPASS SYSTEM
Section I. INTRODUCTION - TM-55-1905-223-24-140138
SECTION II. EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST - TM-55-1905-223-24-140139
Table D-1. Capscrew Markings and Torque Values
Table D-2. Pipe Plug Torque Values
Section I. ABBREVIATIONS
GLOSSARY - CONT
ALPHABETICAL-INDEX - CONT
TM-55-1905-223-24-14 Gyro and Magnetic Compass Systems for Landing Craft Utility (LCU) Manual
FIGURE 1-1. Gyro Compass System Equipment.
FIGURE 1-2. Magnetic Compass System Equipment.
Section II. EQUIPMENT DESCRIPTION AND DATA - TM-55-1905-223-24-140010
FIGURE 1-3. Gyro and Magnetic Compass Equipment Location (Pilothouse).
FIGURE 1-4. Gyro Compass Equipment Location (Below Decks - AFT).
FIGURE 1-5. Gyro Compass.
FIGURE 1-6. Gyro Control and Power Assembly.
Relay Transmitte
FIGURE 1-7. Power Converter.
FIGURE 1-8. Switch Unit.
FIGURE 1-9. Relay Transmitter (Sheet 1 of 3).
FIGURE 1-9. Relay Transmitter (Sheet 2 of 3).
FIGURE 1-9. Relay Transmitter (Sheet 3 of 3).
FIGURE 1-10. Power Transfer Unit.
Azimuth Circle
FIGURE 1-11. Bearing Repeater.
FIGURE 1-12. Pelorus Stand.
FIGURE 1-13. Open Scale, Repeater.
FIGURE 1-14. Bulkhead Mounting Bracket.
FIGURE 1-15. Azimuth Circle and Box.
Table 1-1. Equipment Data
Safety, Care and Handling
Location and Description of Major Components - TM-55-1905-223-24-140030
FIGURE 1-16. Binnacle (Sheet 1 of 2).
FIGURE 1-16. Binnacle (Sheet 2 of 2).
FIGURE 1-17. Magnetic Compass.
Gyro Compass.
FIGURE 1-18. Gyro Compass System (Sheet 1 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 2-of 6).
FIGURE 1-18. Gyro Compass System (Sheet 3 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 4 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 5 of 6).
FIGURE 1-18. Gyro Compass System (Sheet 6 of 6).
Magnetic Compass
Deviation
Power Distribution
FIGURE 1-19. Binnacle Power Distribution.
chapter 2 UNIT MAINTENANCE INSTRUCTIONS
Section III. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Table 2-1. Unit Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System
Table 2-1. Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System - CONT - TM-55-1905-223-24-140048
Table 2-1. Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System - CONT - TM-55-1905-223-24-140049
Table 2-1. Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System - CONT - TM-55-1905-223-24-140050
Table 2-2. Unit Preventive Maintenance Checks and Services (PMCS) for Magnetic Compass System
Section IV. UNIT MAINTENANCE TROUBLESHOOTING
SYMPTOM INDEX - CONT
Table 2-3. Unit Maintenance Troubleshooting
Table 2-3. Unit Maintenance Troubleshooting - CONT - TM-55-1905-223-24-140055
Table 2-3. Unit Maintenance Troubleshooting - CONT - TM-55-1905-223-24-140056
GYRO COMPASS SYSTEM - Continued - TM-55-1905-223-24-140057
GYRO COMPASS SYSTEM - Continued - TM-55-1905-223-24-140058
MAGNETIC COMPASS SYSTEM
Section V. UNIT MAINTENANCE PROCEDURES
Replace Gyro Compass
FIGURE 2-1. Gyro Compass Replacement.
REPLACEMENT - TM-55-1905-223-24-140063
Replace Cyro Control And Power Assembly
FIGURE 2-2. Gyro Control and Power Assembly Replacement.
REPLACEMENT - TM-55-1905-223-24-140066
Repair Gyro Control And Power Assembly
FIGURE 2-3. Gyro Control and Power Assembly Lamp Replacement.
DC Fuse Replacement.
FIGURE 2-5. Cable (C-LC12) Replacement.
Cable (C-LC12) Replacement.
Replace Switch Unit
FIGURE 2-6. Switch Unit Replacement.
REPLACEMENT - TM-55-1905-223-24-140074
Replace Relay Transmitter
FIGURE 2-7. Relay Transmitter Replacement (Sheet 1 of 2).
FIGURE 2-7. Relay Transmitter Replacement (Sheet 2 of 2).
REPLACEMENT - TM-55-1905-223-24-140078
REPLACEMENT - cont - TM-55-1905-223-24-140079
Repair Relay Transmitter
FIGURE 2-8. Relay Transmitter Lamp and Fuse Replacement.
ASSEMBLY
Replace Open Scale Repeater
FIGURE 2-9. Open Scale Repeater Replacement.
REPLACEMENT - TM-55-1905-223-24-140085
Repair Open Scale Repeater
FIGURE 2-10. Open Scale Repeater Lamp Replacement.
Special purpose electrical cable (6 ft) replacement - TM-55-1905-223-24-140088
FIGURE 2-11. Open Scale Repeater Cable Replacement.
Special purpose electrical cable (6 ft) replacement - TM-55-1905-223-24-140090
Replace Bearing Repeater
FIGURE 2-12. Relay Transmitter.
FIGURE 2-13. Bearing Repeater Replacement.
REPLACEMENT - TM-55-1905-223-24-140094
REPLACEMENT - CONT - TM-55-1905-223-24-140095
Repair Bearing Repeater.
FIGURE 2-14. Bearing Repeater Lamp Replacement.
REPAIR - TM-55-1905-223-24-140098
Special purpose electrical cable
FIGURE 2-15. Bearing Repeater Cable Replacement.
Special purpose electrical cable (Cont)
Replace Bulkhead Mounting Bracket
FIGURE 2-16. Bulkhead Mounting Bracket Replacement.
REPLACEMENT - TM-55-1905-223-24-140104
Replace Pelorus Stand
FIGURE 2-17. Pelorus Stand Replacement.
REPLACEMENT - TM-55-1905-223-24-140107
REPLACEMENT - CONT - TM-55-1905-223-24-140108
Replace Power Converter
FIGURE 2-18. Power Converter Replacement.
REPLACEMENT - TM-55-1905-223-24-140111
Repair Power Converter
FIGURE 2-19. Power Converter Lamp and Fuse Replacement.
REPAIR - TM-55-1905-223-24-140114
Replace Power Transfer Unit
FIGURE 2-20. Power Transfer Unit Replacement.
REPLACEMENT - TM-55-1905-223-24-140117
MAINTENANCE OF MAGNETIC COMPASS BINNACLE
FIGURE 2-21. Binnacle Replacement.
REPLACEMENT - TM-55-1905-223-24-140120
REPLACEMENT - cont - TM-55-1905-223-24-140121
Repair Binnacle
FIGURE 2-22. Binnacle Lamp Replacement.
Compass fluid replacement.
FIGURE 2-23. Magnetic Compass Fluid Replacement.
Section VI. PREPARATION FOR STORAGE OR SHIPMENT
CHAPTER 3 INTERMEDIATE DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
CHAPTER 4 INTERMEDIATE GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
APPENDIX A REFERENCES - TM-55-1905-223-24-140129
Section I. INTRODUCTION - TM-55-1905-223-24-140130
Explanation of Columns in the MAC, Section II. - TM-55-1905-223-24-140131
Explanation of Columns in Tool and Test Equipment Requirements, Section III.
Explanation of Columns in Remarks, Section IV.
SECTION II MAINTENANCE ALLOCATION CHART - TM-55-1905-223-24-140134
SECTION II MAINTENANCE ALLOCATION CHART - CONT - TM-55-1905-223-24-140135
SECTION II MAINTENANCE ALLOCATION CHART - CONT - TM-55-1905-223-24-140136
SECTION IV REMARKS GYRO AND MAGNETIC COMPASS SYSTEM
Section I. INTRODUCTION - TM-55-1905-223-24-140138
SECTION II. EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST - TM-55-1905-223-24-140139
Table D-1. Capscrew Markings and Torque Values
Table D-2. Pipe Plug Torque Values
Section I. ABBREVIATIONS
GLOSSARY - CONT
ALPHABETICAL-INDEX - CONT
TM-55-1905-223-24-14 Gyro and Magnetic Compass Systems for Landing Craft Utility (LCU) Manual
