TM 10-3930-669-20 2-15.  TRANSMISSION TROUBLESHOOTING (CONT). 1.  TRANSMISSION MALFUNCTIONS IN NEUTRAL. INITIAL SETUP Tools and Special Tools References Tool Kit, General Mechanic's: Automotive TM 10-3930-669-10 (Item 1 Appendix B) LO 10-3930-669-12 Materials/Parts Equipment Condition Oil, Lubricating (MIL-L-2104) MAIN POWER switch OFF (TM 10-3930-669-10) (Item 25Appendix C) Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) KNOWN INFO Transmission control switches OK. Transmission operates normally in forward and reverse. POSSIBLE PROBLEMS Warped clutch plates. Pump assembly, sprag, or sprag races are worn. Low transmission oil level. TEST OPTIONS Visual inspection. REASON FOR QUESTION If clutch plates are warped or damaged, transmission will malfunction in neutral. 2-292