TM  10-3930-638-24&P 4-3.   FUEL   SYSTEM   MAINTENANCE   (cont) b. Fuel Injection Pump (cont). STEP LOCATION ITEM ACTION REMARKS REASSEMBLY    (cont) 27 (cont) 28 29 NOTE Some rotors (123) have oversized blade slots (0.00 1 inch wider than normal). Pump blades (104) are furnished in standard size and  oversize.  Always  install  oversized  pump  blades  first;  if  over- sized pump blades fit any of the slots, they should be used in those slots. Both oversize and standard size pump blades may be used in the same rotor. u. Four pump Install  in Rotate liner several times to check for bind blades  (104) rotor  (123) ding; remove and reinstall blades and and  two springs  if  binding  is  detected.  Position springs  (105) liner  in  correct  position  as  indicated  above v. Seal (102) Install w. Thrust plate (101) Install End plate Roll  pin  (100) Install If  removed (88) Hydraulic a. End plate (88) Position head (81) NOTE If rollpin (100) in end plate (88) and locating slot in liner (103) are 180 degrees out of alignment, check that rollpin is installed in its proper location as to pump rotation (C and CC are marked on out- side of end plate). b. Four washers Install Tighten to 25-30 pounds inch torque (87),  lock washers  (86) and screws (85) c.  Hydraulic  head Position  with and rotor drive end up d. Six governor Install in Position so that slots face bore of hydraulic weights (82) sockets head  and  rotor  assembly e. Thrust washer (84) Position Against thrust sleeve with chamfered edge facing sleeve f. Thrust sleeve (83) Install with Insert your forefinger into bore of sleeve tab  facing (83) and washer (84) to hold them to- upward gether  and  insert  into  slots  of  governor weights (82) by tilting weights back slightly 4-118