TM 9-2320-365-34-12-19. GENERAL DISASSEMBLY INSTRUCTIONS (CONT)CAUTIONSelf-locking fasteners that are loosened must be replaced, not tightened.b. Locking Parts. Replace all lockwashers, cotter pins and locknuts at time of reassembly.c. Expendable Parts. All gaskets, packings, and seals removed during repair must be discarded and replaced withnew parts.d. Removing Seals. Be sure all traces of oil, gaskets and sealants are removed from components. When possible,use wood or plastic probes and scrapers to prevent damage to machined surfaces.CAUTIONDo not use tape to close off fuel or oil openings. Sticky surface of tape can mix withfuel and oil and cause engine malfunctions.e. Parts Protection. To keep dust, dirt, moisture and other objects out of internal parts of systems or components,cap or tape all open tubes, hoses, air lines, fittings and components openings as soon as part is removed. Wrap allremoved parts in clean paper or dip parts in preservation oil.2-20. GENERAL CLEANING INSTRUCTIONSWARNING• Dry Cleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective gogglesand gloves; use only in well ventilated area; avoid contact with skin, eyes, andclothes, and do not breathe vapors. Keep away from heat or flame. Never smokewhen using solvent; the flashpoint for Type I Dry Cleaning Solvent is 100°F (38°C)and for Type II is 130°F (50°C). Failure to comply may result in serious injury ordeath to personnel.• If personnel become dizzy while using Dry Cleaning Solvent, immediately getfresh air and medical help. If solvent contacts skin or clothes, flush with coldwater. If solvent contacts eyes, immediately flush eyes with water and getimmediate medical attention. Failure to comply may result in injury to personnel.• Never use fuel to clean parts. Fuel is highly flammable. Serious injury couldresult if fuel ignites during cleaning.a. Cleaning Solvents. Use only approved cleaning solvents to clean parts. Dry Cleaning Solvent P-D-680 (Item80, Appendix C) is commonly used. Always work in a well-ventilated area.2-984
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