TM 10-3930-659-34 4-46. ENGINE-TO-TRANSMISSION UNIVERSAL JOINT MAINTENANCE  (Con’t). b. DISASSEMBLY Remove four screws (8) and spider bearing as- sembly (7) from universal joint (3). 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 spider bearing assembly for broken or missing parts.  Replace damaged spider bearing assembly. 3. Inspect spider bearing assembly for free movement.  Replace spider bearing assembly if it does not move freely. d. ASSEMBLY Install spider bearing assembly (7) on universal joint (3) with four screws (8).  Torque screws to 45 lb.-ft. (61 N•m). TA708239 4-173