TM 10-3930-669-20 b. Installation. (1) Install    engine    ground    strap    (3)    on forklift (8) with screw (7) and lock nut (6).    Tighten  lock  nut  to  36  lb-ft  (49 N•m). (2) Install    engine    ground    strap    (3)    on engine  mount  (4)  and  engine  (5)  with washer   (2)   and   screw   (1).      Tighten screw to 63 lb-ft (86 N•m). NOTE Follow-on Maintenance: • Connect batteries (Para 7-48). • Install engine ventilation panel (Para 6-2). • Remove  wheel  chocks  (TM  10-3930- 669-10). END OF TASK 7-117