TM 10-3930-659-34 2-6. CLEANING INSTRUCTIONS (Con’t). (2) Keep hands free of grease which can collect dust, dirt, and grit. (3) After  cleaning,  all  parts  should  be  covered  or  wrapped  to  protect  them  from  dust  and  dirt.  Parts  that  are subject to rust should be lightly oiled after cleaning (see paragraph 2-7). b. Steam Cleaning. CAUTION DO  NOT  direct  water  or  steam,  under  pressure,  against  unsealed  electrical  systems  or  any  exterior opening. Failure to follow this caution may result in damage to equipment. (1) Before steam cleaning the forklift truck, protect ail electrical equipment which could be damaged by steam or moisture. WARNING Avoid contact with live steam. Live steam can burn skin, cause blindness, and cause other serious injury. Be sure to wear protective apron, gloves, and safety goggles when using live steam. (2) Place disassembled parts in a suitable container to steam clean. Parts that are subject to rust should be dried and lightly oiled after cleaning (see paragraph 2-7). c. Castings, Forgings, and Machined Metal Parts. WARNING Dry cleaning solvent, P-D-680,  is  toxic  and  flammable.  Always  wear  protective  goggles  and  gloves,  and use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame or excessive heat. The solvent's flash point Is 1000F-138°F (380C-590C). If you become dizzy while using cleaning solvent, Immediately get fresh air and medical help.  If solvent contacts eyes, Immediately wash your eyes and get medical aid. (1) Clean inner and outer surfaces with dry cleaning solvent (Item 47, Appendix B) and dry with clean rags (Item 43, Appendix B). (2) Remove grease and accumulated deposits with a scrub brush (Item 5, Appendix B). WARNING Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never exceed 30 psi  (207  kPa).  Wear  protective  clothing  (goggles/shield,  gloves,  etc.)  and  use  caution  to  avoid  injury  to personnel. (3) Clear all threaded holes with compressed air to remove dirt and cleaning fluids. 2-4