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TM 5-4320-305-24
4-5. REPAIR/TEST FUEL INJECTORS (Continued)
TEST:
1
Adjust nozzle spraying pressure by adding or removing shims (7) below the spring (6).
NOTE
Spraying pressure is increased by adding shims and reduced by removing them.
2
Test and check spray pattern. Jet(s) should be solid (1) without surrounding mist (2).
3
Check that there is no after-dribble (3). If nozzle is defective, replace it.
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