TM 10-3930-659-34 4-10. FLYWHEEL HOUSING REPLACEMENT (Con’t). 3. Install rear oil seal (see paragraph 4-11). 4. Position new gasket (3) on engine block. 5. Attach suitable lifting device to flywheel housing (2). WARNING Use  extreme  caution  when  handling  heavy  parts.    Lifting  device  is  required  when  parts weigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two person lift, and  over  150  lb  (68  kg)  for  a  three  or  more  person  lift.    Keep  clear  of  heavy  parts supported only by lifting device.  Failure to follow this warning may cause serious injury or death to personnel. 6. Using  suitable  lifting  device,  position  flywheel  housing  (2)  on  engine  block  and  install  eight  screws  (4).    Torque screws to 23 lb.-ft.  (31 N•m). 7. Install four screws (1) on flywheel housing (2).  Torque screws to 167 lb.-ft.  (226 N•m). 8. Torque eight screws (4) to 35 lb.-ft.  (47 N•m). TA708089 FOLLOW-ON TASKS: • Install starter motor (see TM 10-3930-659-20). • Install flywheel and ring gear (see paragraph 4-9). 4-49