TM  10-3930-643-34 GENERAL  SUPPORT  ENGINE,  FUEL,  EXHAUST  AND  COOLING  MAINTENANCE.  (cont) 13-11. Engine Oil Pump. (Sheet 5 of 5) ASSEMBLY  (cont) 12. Install two pins (10), new seal (9) and outer rotor (8) in housing (3). Pack grooves of outer rotor (8) with grease. 13. Install  new  preformed  packing (7), plate (6) and inner rotor (5). INSTALLATION 14. Using a 1/2”   socket  and  socket  wrench handle,  install  new  preformed  packing (4), housing (3), six washers (2) and new lock screws (1). NOTE Return M10A Forklift to original equipment  condition. END OF TASK 13-76