TM-9-2520-254-34

• DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL TRANSMISSION, AUTOMATIC, 2520-066-4240 (ALLISON DIV., GMC MODEL TX 100-1)
• Table of Contents
• LIST OF ILLUSTRATIONS
• LIST OF ILLUSTRATIONS-continued
• LIST OF ILLUSTRATIONS-continued
• CHAPTER 1. INTRODUCTION
• Section II. GENERAL DESCRIPTION AND DATA
• Transmission Oil
• Table 1-1. Tabulated Data-continued
• CHAPTER 2. DESCRIPTION AND OPERATION
• Figure 2-1. Model TX 100-1 transmission-cross-section view
• High-Range Clutch and Power Takeoff
• Intermediate-Range Clutch and Planetary
• Fluid Velocity-Type Governors
• Transmission Housing
• Section II. OPERATION OF HYDRAULIC SYSTEM
• Figure 2-2. Model TX 100-1 transmission hydraulic system-schematic diagram
• Neutral
• Figure 2-3. Hydraulic system, nuetral operation-schematic view
• Hydraulic System--Low-Range Operation
• Figure 2-4. Hydraulic system low-range operation-schematic view
• Converter-In Circuit
• Hydraulic System--Intermediate-Range Operation
• Front Governor (Gl) Circuit
• Figure 2-5. Hydraulic system, intermediate-range operation-schematic view
• Hydraulic System-High-Range Operation (Selector at 1-2-3 Position
• Hydraulic System--Reverse-Range Operation
• Figure 2-6. Hydraulic system, high-range operation, selector at 1-2-3 position-schematic view
• Figure 2-7. Hydraulic system, high-range operation, selector at 1-2 position-schematic view
• Hydraulic System--High-Range Operation (Manual Selector at 1-2--High-Intermediate Inhibitor Acting)
• Figure 2-8. Hydraulic system, reverse-range operation-schematic view
• Hydraulic System--Intermediate-Range Operation (Manual Selector at 1--Inter-mediate-Low Inhibitor Acting)
• Figure 2-9. Hydraulic system, high-intermediate inhibitor acting-schematic view
• Inhibitor Prevents 2-1 Downshift at Excessive Speed
• Figure 2-10. Hydraulic system, intermediate-low inhibitor acting-schematic view
• Section III. TORQUE PATHS THROUGH TRANSMISSION
• Torque Path - Intermediate Range
• Torque Path - High Range
• Figure 2-13. Intermediate-range torque path, lockup operation
• Figure 2-14. High-range torque path. lockup operation.
• Figure 2-5. Reverse-range torque path, converter operation
• CHAPTER 3. PARTS, SPECIAL TOOLS, IMPROVISED TOOLS, AND EQUIPMENT FOR DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE
• Improvised Tools
• Table 3-1. Special Tools and Equipment for Direct and General Support Maintenance
• Figure 3-4. Improvised transmission disassembly and assembly table.
• Table 3-2. Improvised Tools and Equipment for Direct and General Support Maintenance
• CHAPTER 4. TROUBLESHOOTING
• Troubleshooting Tests
• Table 4-1. Troubleshooting-Continued
• Table 4-1. Troubleshooting-Continued
• CHAPTER 5. REPAIR AND OVERHAUL (REBUILD)
• Needle-Type Roller Bearings.
• Section II. DISASSEMBLY OF TRANSMISSION INTO SUBASSEMBLIES
• Rotate transmission
• Remove oil pan
• Remove 17 long bolts
• Flatten washer
• Attach lifting strap
• Remove hook-type seal ring
• Remove right and left power takeoff covers
• Install two special bolts 4910-572-8701
• Remove intermediate clutch anchor pin
• Lower clutch pack assembly
• Remove intermediate back plate assembly
• Install compressor assembly 4910-572-8643
• Remove rear oil pump assembly
• Section III. OVERHAUL (REBUILD) OF LOCKUP CLUTCH AND TORQUE CONVERTER
• LEGEND to fig. 5-53.
• Figure 5-53. Lockup clutch. torque converter. and front oil pump-exploded view.
• Inspection and Repair
• Converter Stator and Cam Assembly
• Section IV. OVERHAUL (REBUILD) OF FRONT OIL PUMP AND DIAPHRAGM ASSEMBLY
• Front Oil Pump Assembly
• Legend to fig. 5-62.
• Figure 5-62. Diaphragm assembly, turbine shaft, and high-range clutch-exploded view
• Assembly
• Section V. OVERHAUL (REBUILD) OF HIGH-RANGE CLUTCH ASSEMBLY AND CONVERTER TURBINE SHAFT
• Converter Turbine Shaft
• Figure 5-71. Installing high-range clutch spring retainer snap
• Section VI. OVERHAUL (REBUILD) OF INTERMEDIATE-RANGE CLUTCH BACK PLATE ASSEMBLY
• Figure 5-71. Intermediate, low-range clutches and planetaries-exploded view
• Section VII. OVERHAUL (REBUILD) OF INTERMEDIATE-RANGE CLUTCH PISTON HOUSING AND LOW- AND REVERSE-RANGE CLUTCH PISTON HOUSING ASSEMBLIES
• Figure 5-75. Reverse-range clutch and planetary, and rear oil pump-exploded view
• Inspection and Repair
• Section VIII. OVERHAUL (REBUILD) OF REVERSE-RANGE PLANETARY CARRIER ASSEMBLY
• Section IX. OVERHAUL (REBUILD) OF TRANSMISSION OUTPUT SHAFT ASSEMBLY
• Figure 5-80. Transmission housing assembly
• Figure 5-81. Transmission housing, oil filter, and oil pan-exploded view
• Section XI. OVERHAUL (REBUILD) OF OIL TRANSFER PLATE ASSEMBLY
• Figure 5-82. Oil transfer plate, separator plate, and control valve assembly-exploded view
• Assembly
• Section XII. OVERHAUL (REBUILD) OF MAIN CONTROL VALVE ASSEMBLY
• Section XIII. ASSEMBLY OF TRANSMISSION FROM SUBASSEMBLIES
• Install seal ring
• Position transmission housing
• Install two guide bolts
• Install compressor assembly 4910-572-8643
• Install two external-tanged plates
• Install two clutch anchor pins
• Install diaphragm
• Install needle assembly
• Install pump seal
• Install turbine assembly
• Install twenty-four self-locking nuts
• Lock output flange bolt
• Install separator plate
• Install seal ring
• Figure 5-137. Converter stack-control dimension
• Section XIV. TESTS AND ADJUSTMENTS
• Oil Pressure Readings
• TRANSMISSION TEST DATA LOG SHEET
• Front Governor (Gl) Pressure
• Figure 142. Transmission oil pressure check points
• Adjustments
• Figure 5-146. Throttle valve stop screw adjustment
• CHAPTER 6. REPAIR AND OVERHAUL (REBUILD) STANDARDS
• Table 6-2. Spring Specification
• Table 6-3. Wear Limits
• APPENDIX A. REFERENCES
• INDEX
• INDEX-continued
• THE METRIC SYSTEM AND EQUIVALENTS
• TM-9-2520-254-34
• Blank Page
• DISTRIBUTION
• Blank Page
• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS

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