TM 10-3930-659-20 8-2. REAR UNIVERSAL JOINTS MAINTENANCE (Con’t). c. CLEANING AND INSPECTION 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 100°F-138°F (38°C-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 parts with dry cleaning solvent and allow to dry. 2. Inspect all parts for damage.  Replace damaged parts. d. ASSEMBLY 1. If removed, install lubrication fitting (8) on universal joint (4). 2. Install two spider bearing assemblies (7) on universal joint (4) with eight bolts (6).  Torque bolts to 50 lb.-ft. (68 N•m). TA706740 8-10