CHAPTER 1 INTRODUCTION - TM-55-4920-414-13P_13
1-8. Description
Table 1-1. Equipment Data
CHAPTER 2 SERVICE UPON RECEIPT
2-6. Connections
Figure 2-1. Test Box and Test Fixture Test Setup
CHAPTER 3 OPERATING INSTRUCTIONS
Table 3-1. operators Controls
3-2. Pilot Assist/Nulling Test Box Theory of Operations
S e c t i o n I l . O P E R A T I O N U N D E R U S U A L C o n d i t i o ns
3-5. Procedures for Shutdown.
Figure 3-2. Schematic Servos Tested / Nulled with Test Box
CHAPTER 4 MAINTENANCE INSTRUCTIONS
Section Il. TROUBLESHOOTING
Table 4-2. Troubleshooting - Test Box
5. POWER AC INDICATOR DOES NOT LIGHT WITH POWER AC SWITCH ON.
7. BOOST PRESS OFF AND/OR BOOST PRESS ON INDICATORS DO NOT GO ON
Troubleshooting - Test Box (Cont)
Table 4-3. Troubleshooting - Test Fixture
Section IV. MAINTENANCE
Figure 4-1. Panel Lamp, Lens, and Knob Removal and Replacement
Figure 4-2. Three-Way and Shutoff Valve Removal and Replacement
4-15. SAS Pressure Switch Replacement.
Figure 4-3. Pressure Reducer Removal and Replacement
Figure 4-4. SA S Pressure Switch Removal and Replacement
Figure 4-5. Thermal Relief Valve Removal and Replacement
Figure 4-6. Pilot Assist Hydraulic Module Assembly Removal and Replacement
Figure 4-7. Male Quick-Disconnect Couplings Removal and Replacement
Figure 4-8. Female Quick-Disconnect Couplings Removal and Replacement
Table 4-4. Test Equipment
Table 4-5 Test Box Wiring Run List (Cont)
Test Box Wiring Run List (Cont.)
4-23. Test Box Circuits.
Table 4-6. Position XDCR Output Voltage
Table 4-7. Valve Current Meter
Table 4-8. Test BOX Troubleshooting
FO-1. TEST BOX SCHEMATIC
FO-2. TEST BOX WIRING DIAGRAM
FO-3. TROUBLESHOOTING CHARTS (SHEET 1 OF 2)
FO-3. TROUBLESHOOTING CHARTS (SHEET 2 OF 2)
Section V. PREPARATION FOR SHIPMENT AND STORAGE
Figure 4-9. Chassis Wiring and PS1 and PS2 Power Supply Terminals
Figure 4-10. Cable Assembly Schematics
Figure 4-11. Cable Assemblies Exploded View
Figure 4-12. Test Box Exploded View (Sheet 1 of 3)
Figure 4-12. Test Box Exploded View (Sheet 2 of 3)
Figure 4-12. Test Box Exploded View (Sheet 3 of 3)
Figure 4-13. Component Board A-1, Front View (Sheet 1 of 2)
Figure 4-13. Component Board A-1, Rear View (Sheet 2 of 2)
APPENDIX A REFERENCES - TM-55-4920-414-13P_65
APPENDIX B MAINTENANCE ALLOCATION CHART
B-2. USE OF THE MAlNTENANCE ALLOCATION CHART
B-5. MAINTENANCE CATEGORIES AND WORK TIMES.
Section Il. MAINTENANCE ALLOCATION CHART
PILOT ASSIST/NULLING FIXTURE ASSEMBLY TEST SET
APPENDIX C REPAIR PARTS AND SPECIAL TOOLS LIST
C-4. How to Locate Repair Parts.
Figure C-1. Nulling Fixture Assembly, Pilot Assist
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_77
igure C-2. Box Assembly, Pilot Assist/ Nulling Test
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_79
Figure C-3. Module Assembly, Pilot Assist Hydraulic
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_81
Figure C-4. ManifoId Assembly, Pilot Assist/Nulling Fixture Assembly
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_83
Figure C-5. Test Box Exploded View (Sheet 1 of 3)
Figure C-5. Test Box Exploded View (Sheet 2 of 3).
Figure C-5. Test Box Exploded View (Sheet 3 of 3).
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_87
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_88
Figure C-6. Cable Assemblies Exploded View.
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_91
Figure C-7. Component Board A-1, Front View (Sheet 1 of 2)
Figure C-7. Component Board A-1, Rear View (Sheet 2 of 2)
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_95
NATIONAL STOCK NUMBER INDEX - TM-55-4920-414-13P_96
STOCK NUMBER - TM-55-4920-414-13P_97
Part Number
APPENDIX D EXPENDABLE SUPPLIES AND MATERIALS LIST
1-8. Description
Table 1-1. Equipment Data
CHAPTER 2 SERVICE UPON RECEIPT
2-6. Connections
Figure 2-1. Test Box and Test Fixture Test Setup
CHAPTER 3 OPERATING INSTRUCTIONS
Table 3-1. operators Controls
3-2. Pilot Assist/Nulling Test Box Theory of Operations
S e c t i o n I l . O P E R A T I O N U N D E R U S U A L C o n d i t i o ns
3-5. Procedures for Shutdown.
Figure 3-2. Schematic Servos Tested / Nulled with Test Box
CHAPTER 4 MAINTENANCE INSTRUCTIONS
Section Il. TROUBLESHOOTING
Table 4-2. Troubleshooting - Test Box
5. POWER AC INDICATOR DOES NOT LIGHT WITH POWER AC SWITCH ON.
7. BOOST PRESS OFF AND/OR BOOST PRESS ON INDICATORS DO NOT GO ON
Troubleshooting - Test Box (Cont)
Table 4-3. Troubleshooting - Test Fixture
Section IV. MAINTENANCE
Figure 4-1. Panel Lamp, Lens, and Knob Removal and Replacement
Figure 4-2. Three-Way and Shutoff Valve Removal and Replacement
4-15. SAS Pressure Switch Replacement.
Figure 4-3. Pressure Reducer Removal and Replacement
Figure 4-4. SA S Pressure Switch Removal and Replacement
Figure 4-5. Thermal Relief Valve Removal and Replacement
Figure 4-6. Pilot Assist Hydraulic Module Assembly Removal and Replacement
Figure 4-7. Male Quick-Disconnect Couplings Removal and Replacement
Figure 4-8. Female Quick-Disconnect Couplings Removal and Replacement
Table 4-4. Test Equipment
Table 4-5 Test Box Wiring Run List (Cont)
Test Box Wiring Run List (Cont.)
4-23. Test Box Circuits.
Table 4-6. Position XDCR Output Voltage
Table 4-7. Valve Current Meter
Table 4-8. Test BOX Troubleshooting
FO-1. TEST BOX SCHEMATIC
FO-2. TEST BOX WIRING DIAGRAM
FO-3. TROUBLESHOOTING CHARTS (SHEET 1 OF 2)
FO-3. TROUBLESHOOTING CHARTS (SHEET 2 OF 2)
Section V. PREPARATION FOR SHIPMENT AND STORAGE
Figure 4-9. Chassis Wiring and PS1 and PS2 Power Supply Terminals
Figure 4-10. Cable Assembly Schematics
Figure 4-11. Cable Assemblies Exploded View
Figure 4-12. Test Box Exploded View (Sheet 1 of 3)
Figure 4-12. Test Box Exploded View (Sheet 2 of 3)
Figure 4-12. Test Box Exploded View (Sheet 3 of 3)
Figure 4-13. Component Board A-1, Front View (Sheet 1 of 2)
Figure 4-13. Component Board A-1, Rear View (Sheet 2 of 2)
APPENDIX A REFERENCES - TM-55-4920-414-13P_65
APPENDIX B MAINTENANCE ALLOCATION CHART
B-2. USE OF THE MAlNTENANCE ALLOCATION CHART
B-5. MAINTENANCE CATEGORIES AND WORK TIMES.
Section Il. MAINTENANCE ALLOCATION CHART
PILOT ASSIST/NULLING FIXTURE ASSEMBLY TEST SET
APPENDIX C REPAIR PARTS AND SPECIAL TOOLS LIST
C-4. How to Locate Repair Parts.
Figure C-1. Nulling Fixture Assembly, Pilot Assist
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_77
igure C-2. Box Assembly, Pilot Assist/ Nulling Test
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_79
Figure C-3. Module Assembly, Pilot Assist Hydraulic
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_81
Figure C-4. ManifoId Assembly, Pilot Assist/Nulling Fixture Assembly
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_83
Figure C-5. Test Box Exploded View (Sheet 1 of 3)
Figure C-5. Test Box Exploded View (Sheet 2 of 3).
Figure C-5. Test Box Exploded View (Sheet 3 of 3).
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_87
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_88
Figure C-6. Cable Assemblies Exploded View.
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_91
Figure C-7. Component Board A-1, Front View (Sheet 1 of 2)
Figure C-7. Component Board A-1, Rear View (Sheet 2 of 2)
DESCRIPTION USABLE ON CODE - TM-55-4920-414-13P_95
NATIONAL STOCK NUMBER INDEX - TM-55-4920-414-13P_96
STOCK NUMBER - TM-55-4920-414-13P_97
Part Number
APPENDIX D EXPENDABLE SUPPLIES AND MATERIALS LIST
