TM  10-3930-643-34 GENERAL  SUPPORT  TRANSMISSION  MAINTENANCE. 15-4. First Gear Assembly. (Sheet 1 of 7) This task covers: a. Disassembly b. Cleaning/Inspection c.  Assembly INITIAL  SETUP Tools Tool  Kit,  General  Mechanic’s Automotive NSN 5180-00-177-7033 Shop  Equipment,  Automotive Maintenance  and  Repair: Field  Maintenance,  Basic, Less  Power NSN 4910-00-754-0705 Shop Equipment, Automotive Maintenance  and  Repair: Field Maintenance NSN 4910-00-919-0076 EQUIPMENT  CONDITION Materials/Parts Cleaning  solvent  P-D-680 (App. C, Item 5) Clean cloth (App. C, Item 24) Preformed  packing Seal ring Spring (28) Retaining ring (3) Torques Except for special torques shown, all fasteners are tightened to a standard torque. Refer to Appendix E. References Paragraph  15-3 Condition  Description Transmission  disassembled. DISASSEMBLY NOTE 1. 2. Use  care  when  removing  retaining rings. Using  a  flat  tip  screwdriver,  remove and discard retaining ring (1). Remove gear (2). Go to sheet 2 15-49