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TM  5-2815-241-34&P FUEL  PUMP  -  CONTINUED ACTION LOCATION ITEM REMARKS GEAR PUMP REPAIR - CONTINUED NOTE Steps 22 and 23 are for gear pump cover or dowel ring replacement only. If gear pump cover or dowel ring replacement is not required, proceed to step 24. 22. Gear  pump  cover  (1) Bushing  sleeve  (2) Remove. 23. Bushing  sleeve  (2) a. Lubricate  dowel  ring  with  extreme- pressure   grease. b. Position dowel ring over drive gear and shaft bore in gear pump cover and, using arbor press and mandrel, press in. NOTE Make  sure  all  parts  are  clean  before  assembly,  paying  particular  attention  to  lubricating holes in gear pump cover and gear pump housing. 24. Drive  gear  and  shaft (3),  spur  gear  and idler  shaft  (4),  and gear  pump  housing  (5) a. Using  0-  to  1-inch  micrometer,  meas- ure  width  of  drive  gear  and  driven  gear. Write  down  measurement  indicated  by micrometer. b. Using  0-  to  1-inch  depth  micrometer, measure depth of gear pocket in gear pump  housing. Write  down  measurement  indicated  by depth   micrometer. c. Subtract  measurement  obtained  in  step  b from measurement obtained in step a. The  result  will  indicate  which  gasket  must be used, for assembly, to obtain proper end  clearance  for  gear  pump  gears. 2-298


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