TM 10-3930-669-20 7-4.  ALTERNATOR BELT REPLACEMENT. This task covers: a.  Removal c.  Installation b.  Cleaning/Inspection d.  Adjustment INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Materials /Parts Rags, Wiping (Item 16, Appendix C) Solvent, Drycleaning (Item 20, Appendix C) Belt, Alternator Washer, Lock Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Ventilation panel removed (Para 6-2) Batteries disconnected (Para 7-48) a.  Removal WARNING Allow engine to cool before performing maintenance.  Severe injury to personnel may result. (1) Loosen nut (1) on alternator lower mounting screw (2).  Do not remove. 7-8