TM   5-2815-241-34&P FUEL  PUMP  -  CONTINUED ACTION LOCATION ITEM REMARKS GEAR PUMP REPAIR - CONTINUED 27. Gear pump assembly  (1) 28. 28. 30. Drive  gear  and shaft  (2) Elbow  check valve  (4) New  gear  pump gasket  (6) Using  6-inch  machinist’s  scale,  measure from  end  of  drive  gear  and  shaft  (2)  to  gear pump  cover  (3). Distance  should  be  2.370  to  2.412 inches (60.2 to 61.3 mm). Using  dial  indicator,  check  end  clearance. End  clearance  should  be  0.0009  to 0.0015  inch  (0.0228  to  0.0377  mm). Using   1/2-inch   open-end   wrench,   screw in and tighten so open end of elbow check valve faces away from fuel inlet port (5) on  gear  pump  body. Install new gear pump gasket to gear pump cover. TA   242538 2-300