TM 10-4320-307-244-11INJECTORREPAIR(CONT).ASSEMBLY:CAUTIONBe certain all mating surface parts are clean and free of burrs or otherimperfections which might result in incorrect flow or torque.1.Drop check ball (1) into recess in barrel (2).2.Hold barrel (2) with check ball up and install injec-tor adapter (3) on barrel using two roll pins (4) aslocators.3.Immerse plunger (5) in clean diesel fuel oil andinstall in adapter (3) without spring.4.Turn adapter (3) so that barrel (2) is up and placeinjector cup (6) on barrel.5.Lubricate cup flange contact area of cup retain-er (7) with lubricating oil and assemble to adapt-er (3). Screw retainer down hand tight.6.Install flat machined areas in fuel supply groove ofinjector adapter (3) into injector body wrench.7.Using cup retainer wrench, tighten cup retainer torequired torque 57 ft-lb (77 N•m).4-86
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