TM 10-3930-659-34 5-12.  TRANSMISSION CLUTCH PACKS AND IDLER GEAR MAINTENANCE. This Task Covers: a.  Removal d.  Assembly b.  Disassembly e.  Installation c.  Cleaning and Inspection Initial Setup: Equipment Conditions: Materials/Parts: • Transmission hydraulic hoses and fittings removed • Petrolatum (Item 42, Appendix B) (see TM 10-3930-659-20). • Rags (Item 43, Appendix B) • Transmission oil feed flange removed (see para- • Dry cleaning solvent (Item 47, Appendix B) graph 5-10). • Twine (Item 58, Appendix B) Tools/Test Equipment: • Four preformed packings • General mechanic's tool kit (Item 71, Appendix E) Personnel Required:  Two • Shaft alinement tool (Item 5, Appendix E) • Compressor unit (Item 16, Appendix E) References: • Dial indicator set (Item 19, Appendix E) • TM 9-214 • Depth gage micrometer (Item 27, Appendix E) • TM 10-3930-659-10 • Soft hammer (Item 34, Appendix E) • TM 10-3930-659-20 • Heat gun (Item 35, Appendix E) • Arbor press (Item 47, Appendix E) General Safety Instructions: • Puller kit (Item 50, Appendix E) • Dry cleaning solvent is flammable and must not be • Torque wrench, 0-175 lb.-ft.  (Item 81, Appendix E) used near open flame.  Use only in a well-ventilated • Transmission clutch pack compression tool (Fig- area. ure C-5, Appendix C) • Hot parts can cause severe burns.  Always wear protective clothing (goggles/shield, gloves, etc.). a.  REMOVAL NOTE · First/forward, second/reverse, and third/fourth gear axles are removed the same way.  First/forward gear axle is illustrated. · It is not necessary to remove third/fourth gear axle if only performing maintenance on first/forward or second/reverse gear clutch packs. 1.    transmission assembly (1)  in  horizontal  position,  mark  first/forward  gear  axle  (2),  second/reverse  gear  axle  (5), and third/fourth gear axle (4) to aid during installation. 5-90