TM 5-3805-261-34FUEL SYSTEM MAINTENANCE.3-25.FuelInjectionPump. (Sheet 6 of 16)DISASSEMBLYCAUTIONUse extreme care not todamage the injection pumps orcomponents. Any scratches tothe surfaces of the plungers,barrels and bonnets willcause leakage inside the fuelinjection pump. The plungerand barrel for each pump aremade as a set. Do not putthe plunger of one pump inthe barrel of another pump.Do not mix components fromfuel injection pumpassemblies.7.Remove plunger assembly (20) outof spring (22) and barrel (24,Figure 3-89).8.Remove spring seat (21) fromplunger assembly (20).NOTEDo not remove the gear fromplunger assembly. The gearand plunger are assembled andadjusted at the factory.9.Remove spring (22) from barrel(24).10. Hold barrel (24) and bonnet (27)together.11. Remove ring (23).12. Separate barrel (24) and bonnet(27).13. Remove check (25) and spring (26)from bonnet (27). Do not dis-assemble check (25).Go to Sheet 73-121Figure 3-89.
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