TM-9-2520-246-34-1

• DIRECT SUPPORT AND GENERAL SUPPORT LEVEL: TRANSMISSION, TRANSMISSION TRANSFERS, POWER TAKEOFFS
• WARNING
• Table of Contents
• Table of Contents (cont)
• Table of Contents (cont)
• Table of Contents (cont)
• Table of Contents (cont)
• Table of Contents (cont)
• LIST OF TABLES
• LIST OF TABLES-CONT
• Chapter 1. GENERAL MAINTENANCE INFORMATION
• Table 1-1. Standard Torque Specifications
• Table 1-2. Special Tools and Equipment
• REPORTING IMPROVEMENT RECOMMENDATIONS
• Figure 1-1. Transmission Model 3053A
• Power Takeoffs (Models WN-7-28, WND-7-28, and P-136-C).
• Figure 1-3. Positive Locking Transfer Model T-136-27
• Figure 1-5. Power Takeoff Model WND-7-28
• Figure 1-7. Power Takeoff Model P-136-C
• Chapter 2. EQUIPMENT GROUP MAINTENANCE
• DISASSEMBLY OF TRANSMISSION INTO SUBASSEMBLIES
• Backlash Check.
• Table 1-2. Transmission Forward Speed Backlash Wear Limits
• Table 2-2. Transmission Reverse Speed Backlash Wear Limits
• Clutch Release Assembly.
• FRAME 2
• FRAME 3
• Companion Flange.
• FRAME 2
• Mainshaft Rear Bearing Cap.
• Countershaft Rear Bearing and Cover.
• FRAME 2
• Power Takeoff Access Cover (Trucks Without Power Takeoff Installed).
• Input Shaft Bearing Cap.
• Mainshaft Assembly.
• FRAME 2
• FRAME 3
• FRAME 4
• Input Shaft Assembly.
• Countershaft Assembly.
• FRAME 2
• FRAME 3
• Reverse Idler Gear Assembly.
• DISASSEMBLY OF SUBASSEMBLIES
• Mainshaft.
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• Countershaft Assembly.
• FRAME 2
• Reverse Idler Gear Assembly.
• Mainshaft Rear Bearing Cap.
• Shifter Shaft Cover Assembly.
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• Clutch Release Bearing Carrier.
• CLEANING
• GENERAL INSPECTION
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• WEAR LIMIT INSPECTION
• FRAME 2
• Mainshaft Assembly.
• Table 2-6. Mainshaft Journals and Second Gear Wear limits
• Table 2-7. Mainshaft Journals and Bearing Wear Limits
• Table 2-8. Mainshaft Fifth and Third Gear Fits and Tolerances
• Table 2-9. Mainshaft Second and First-Reverse Gear Fits and Tolerances
• Countershaft Assembly
• Table 2-11. Countershaft Journals and Bearing Wear Limits
• Table 2-12. Countershaft Assembly Fits and Tolerances
• Reverse Idler Gear Assembly.
• Table 2-14. Reverse Idler Gear Assembly Fits and Tolerances
• REPAIR
• ASSEMBLY OF SUBASSEMBLIES.
• FRAME 2
• Mainshaft Assembly.
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• FRAME 7
• FRAME 8
• FRAME 9
• Countershaft Assembly.
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• Reverse Idler Gear Assembly.
• Mainshaft Rear Bearing Cap.
• Shifter Shaft Cover.
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• Clutch Release Bearing Carrier.
• FINAL ASSEMBLY
• Countershaft Assembly.
• FRAME 2
• FRAME 3
• Input Shaft Assembly.
• FRAME 2
• Mainshaft Assembly.
• FRAME 2
• FRAME 3
• Input Shaft Bearing Cap.
• Power Takeoff Access Cover (Trucks Without Power Takeoff Installed).
• Countershaft Rear Bearing and Cover.
• FRAME 2
• FRAME 3
• Mainshaft Rear Bearing Cap.
• Companion Flange
• Shifter Shaft Cover.
• FRAME 2
• Clutch Release Assembly.
• FRAME 2
• FRAME 3
• SHIFT TEST
• FRAME 2
• Forward Speed Positions.
• Reverse Position.
• FRAME 2
• Section III. MAINTENANCE OF TRANSMISSION TRANSFER ASSEMBLY
• Mounting Transmission Transfer Assembly in Stand.
• Companion Flanges.
• FRAME 2
• Handbrake Brake Drum and Brakeshoe Assembly.
• FRAME 2
• Front Output Case Assembly (Model T-136-27).
• Front Output Clutch (Model T-136-27).
• Front Output Case Assembly (Model T-136-21).
• Front Output Shaft and Drive Gear (Model T-136-21).
• Input Shaft Front Bearing Cover.
• Case Cover.
• Rear Output Shaft and Countershaft Assemblies.
• Top Cover and Shifter Shaft.
• Input Shaft Assembly and Shifter Fork.
• Countershaft Rear Bearing Cover.
• Rear Output Shaft Rear Bearing Retainer.
• Input Shaft Rear Bearing Cover (Trucks Without Transfer Power Takeoff Installed)
• DISASSEMBLY OF SUBASSEMBLIES
• FRAME 2
• FRAME 3
• Countershaft Assembly.
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• Input Shaft Assembly.
• FRAME 2
• FRAME 3
• FRAME 4
• Front Output Case Assembly (Model T-136-27).
• FRAME 2
• FRAME 3
• FRAME 4
• Shifter Shaft Assembly (Model T-136-27).
• Front Output Case Assembly (Model T-136-21).
• FRAME 2
• FRAME 3
• Front Output Shaft (Model T-136-21).
• FRAME 2
• FRAME 3
• FRAME 4
• Case Cover.
• FRAME 2
• Transfer Case Housing.
• Handbrake Shoe Assembly.
• FRAME 2
• Handbrake Drum Assembly.
• Companion Flanges and Deflectors.
• Rear Output Shaft Rear Bearing Retainer.
• CLEANING
• Front Output Shaft Assembly (Model T-136-21).
• FRAME 2
• Front Output Shaft Assembly (Model T-136-27).
• Countershaft Assembly.
• FRAME 2
• Input Shaft Assembly.
• Rear Output Shaft Assembly.
• Transfer Case and Covers.
• Handbrake Assembly.
• FRAME 2
• Air Cylinder Assembly (Model T-136-27).
• WEAR LIMIT INSPECTION (MODEL T-136-27)
• Air Cylinder Shifter Shaft Assembly.
• Front Output Shaft Assembly.
• Table 2-18. Front Output Shaft Assembly Fits and Tolerances
• Countershaft Assembly.
• Table 2-20. Countershaft Wear Limits
• Table 2-21. Countershaft Assembly Fits and Tolerances
• Input Shaft Assembly.
• Table 2-23. Input Shaft and Gears Wear Limits
• Table 2-24. Input Shaft Assembly Fits and Tolerances
• Rear Output Shaft Assembly.
• Table2-26. Rear Output Shaft Wear Limits
• Table 2-27. Rear Output Shaft Assembly Fits and Tolerances
• Transfer Case and Covers.
• Table 2-29. Transfer Cover Fits and Tolerances
• Table 2-30. Transfer Case Bearing Bores Wear Limits
• Table 2-31. Transfer Case Fits and Tolerances
• Table 2-32. Transfer Case Dowel Pin Wear Limits
• Table 2-33. Front Output Shaft Cover Wear Limits
• Table 2-34. Front Output Shaft and Companion Flange Wear Limits
• Table 2-35. Input Shaft Cover Wear Limits
• Table 2-36. Input Shaft Cover Wear Limits
• Table 2-37. Rear Bearing Retainer Wear Limits
• WEAR LIMIT INSPECTION (MODEL T-136-21)
• Table 2-39. Front Output Shaft Sprag Unit Wear Limits
• Table 2-40. Front Output Shaft Assembly Fits and Tolerances
• FRAME 4
• Countershaft Assembly.
• Table 2-42. Countershaft Assembly Fits and Tolerances
• Input Shaft Assembly.
• Table 2-44. Input Shaft and Bearing Wear Limits
• Table 2-45. Input Shaft Assembly Fits and Tolerances
• Rear Output Shaft Assembly.
• Table 2-47. Rear Output Shaft Assembly Fits and Tolerances
• Transfer Case and Covers.
• Table 2-49. Transfer Cover Fits and Tolerances
• Table 2-50. Transfer Case Bearing Bores Wear Limits
• Table 2-51. Transfer Case Fits and Tolerances
• Table 2-52. Transfer Case Dowel Pin Wear Limits
• Table 2-53. Front Output Shaft Cover Wear Limits
• Table 2-54. Front Output Shaft and Companion Flange Wear Limits
• Table 2-55. Input Shaft Cover Wear Limits
• Table 2-56. Input Shaft Cover Fits and Tolerances
• Table 2-57. Rear Bearing Retainer Wear Limits
• REPAIR
• ASSEMBLY OF SUBASSEMBLIES
• FRAME 2
• FRAME 3
• Countershaft Assembly.
• FRAME 2
• FRAME 3
• FRAME 3
• FRAME 5
• FRAME 6
• Input Shaft Assembly.
• FRAME 2
• FRAME 3
• FRAME 4
• Shifter Shaft Assembly (Model T-136-27).
• Front Output Case Assembly (Model T-136-27).
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• Front Output Shaft Case Assembly (Model T-136-21).
• FRAME 2
• FRAME 3
• FRAME 4
• Front Output Shaft (Model T-136-21).
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• Case Cover.
• FRAME 2
• Transfer Case Housing.
• Handbrake Brakeshoe Assembly.
• FRAME 2
• Handbrake Brake Drum Assembly.
• Companion Flanges and Deflectors.
• Rear Output Shaft Rear Bearing Retainer.
• FINAL ASSEMBLY
• Countershaft Assembly.
• Rear Output Shaft Assembly.
• Shifter Shaft and Top Cover.
• FRAME 2
• Case Cover.
• FRAME 2
• Input Shaft Front Bearing Cover.
• Countershaft Rear Bearing Cover.
• FRAME 2
• FRAME 3
• Rear Output Shaft Rear Bearing Retainer.
• FRAME 2
• FRAME 3
• Input Shaft Rear Bearing Cover (Trucks Without Transfer Power Takeoff Installed)
• Front Output Shaft and Drive Gear (Model T-136-21).
• Front Output Case Assembly (Model T-136-1).
• Front Output Clutch (Model T-136- 27).
• Front Output Case Assembly (Model T- 136-27).
• Handbrake Brake Drum and Brakeshoes.
• FRAME 2
• FRAME 3
• Companion Flanges.
• FRAME 2
• FRAME 3
• Handbrake Brakeshoe Adjustment.
• SHIFT TEST
• Neutral Position.
• High Range Position.
• Low Range Position.
• Front Output Shaft Air Lockup (Model T-136-27).
• Front Output Shaft Sprag Unit (Model T-136-21).
• Removing the Transmission Transfer from Stand.
• Section IV. MAINTENANCE OF TRANSMISSION POWER TAKEOFFS
• DISASSEMBLY
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• FRAME 7
• FRAME 8
• FRAME 9
• FRAME 10
• FRAME 11
• FRAME 12
• FRAME 13
• FRAME 14
• FRAME 15
• FRAME 16
• FRAME 17
• FRAME 18
• CLEANING
• FRAME 1
• FRAME 2
• FRAME 3
• WEAR LIMIT INSPECTION
• Table 2-59. Reverse Gear Shaft Assembly Fits and Tolerances
• Input Gear Shaft Assembly.
• Table 2-61. Input Gear Shaft Assembly Fits and Tolerances
• Output Shaft Assembly.
• Table 2-63. Output Shaft Assembly Fits and Tolerances
• Table 2-64. Output Shaft Bearings Fits and Tolerances
• Shouldered Shaft Assembly.
• REPAIR
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• FRAME 7
• FRAME 8
• FRAME 9
• FRAME 10
• FRAME 11
• FRAME 12
• FRAME 13
• FRAME 14
• FRAME 15
• FRAME 16
• FRAME 17
• FRAME 18
• FRAME 19
• FRAME 20
• SHIFT TEST
• FRAME 2
• High Speed and Reverse Positions.
• Low Speed Position.
• Accessory Drive (Model WND-7-28).
• Section V. MAINTENANCE OF TRANSMISSION TRANSFER POWER TAKEOFF
• DISASSEMBLY
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• FRAME 7
• FRAME 8
• FRAME 9
• FRAME 10
• FRAME 11
• CLEANING
• FRAME 1
• FRAME 2
• FRAME 3
• WEAR LIMIT INSPECTION
• REPAIR
• ASSEMBLY
• FRAME 2
• FRAME 3
• FRAME 4
• FRAME 5
• FRAME 6
• FRAME 7
• FRAME 8
• FRAME 9
• FRAME 10
• FRAME 11
• FRAME 12
• FRAME 13
• SHIFT TEST
• Appendix A. REFERENCES
• OTHER PUBLICATIONS.
• OTHER PUBLICATIONS. (Cont)
• INDEX
• INDEX-CONT
• INDEX-CONT
• INDEX-CONT
• INDEX-CONT
• INDEX-CONT
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• TM-9-2520-246-34-1
• Recommended Changes to Equipment Technical Publications
• Blank Page
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• Recommended Changes to Equipment Technical Publications
• Recommended Changes to Equipment Technical Publications
• Distribution
• Recommended Changes to Equipment Technical Publications
• Recommended Changes to Equipment Technical Publications
• Recommended Changes to Equipment Technical Publications
• Recommended Changes to Equipment Technical Publications
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• Recommended Changes to Equipment Technical Publications

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