TM  10-3930-638-24&P 4-3.   FUEL   SYSTEM   MAINTENANCE   (cont) b. Fuel Injection Pump (Cont). g. Six governor weights (82) Check STEP LOCATION ITEM ACTION REMARKS REASSEMBLY  (cont) 29 Sight across tops of assembled weights to (cont) check  positioning.  One  weight  higher than  others  indicates  incorrect  assembly of  thrust  washer  (84).  Disassemble  and repeat steps d through g above 30 Housing (133) a. Governor arm (56) Position Fork for linkage hook (54) facing end plate (88) b. Governor arm Install With knife edge facing end plate (88) pivot shaft (60) c. Two seals (59) Install Tighten to 20-25 pounds inch torque and  pivot  shaft nuts (58) d. New seal (117) Position On hydraulic head (81) CAUTION If during following step, the hydraulic head and rotor should cock during installation, withdraw it and start over. Failure to do so could cause particles of metal to be shaved off and left in the housing causing serious damage during operation. Be careful not to insert hydraulic head too far into housing; seal may be damaged and result in leakage. e. Hydraulic head Apply  light Rotate cam ring (116) so that unthreaded (81) and rotor film of clean hole is in line with metering valve bore in (123) grease around housing. Grasp head firmly in both hands inside edge of and insert into housing bore with a slight housing  (133) rotary motion. Don’t force this operation. then  install f. Hydraulic head (81) Align head Align by rotating hydraulic head (81) locking screw holes in head and  housing g. Two head locking Install  finger screws (63) tight NOTE To  prevent  governor  weights  from  dislodging,  install  drive  shaft (5) in pump. 4-119