Isuzu C-240PW-28 - Fuel Injector Spray Pattern

ARMY TM 9-2815-254-24
AIR FORCE TO 36G1-94-2
e. Open valve on fuel injector tester and operate lever at one stoke per second.
f. Spray should start at 1706 psi (120 kg/cm
2
) and a well atomized spray pattern (refer to FIGURE 3-5) should
be visible.
FIGURE 3-5. Fuel Injector Spray Pattern
g. Turn adjusting screw (16, FIGURE 3-4) as necessary to obtain starting pressure and spray pattern in step
f.
h. Repeat step e and operate level to hold pressure at 290 psi (20.4 kg/cm
2
) below opening pressure.
i. No drops should fall from fuel injector within 10 seconds.
j. Remove fuel injector from tester and place in a vise.
k. Install capnut (14) and tighten to 25.5 ft-lbs (34.0 Nm).
l. Remove fuel injector from vise.
3-10.7. Installation.
NOTE
lf existing fuel injectors are being used, ensure they are installed in loca-
tions as marked during removal.
3-30