TM 10-3950-672-24-2
Injector - Replacement
Preparatory Steps:
Disconnect the high pressure fuel supply lines
Disconnect the fuel drain manifold
Clean around the injectors
Rust Penetrating Solvent
Caution: When rust has formed on the hold down
nut, the injector can turn in the bore when the nut is
loosened. This will cause severe damage to the
head by the injector locating ball cutting a groove in
the bore.
Soak the hold down nut with a rust penetrating
solvent for a minimum of 3 minutes.
Brass Drift Pin, Hammer
Hit the injector body with the drift pin to loosen any rust.
24mm Box Wrench, Adjustable Wrench
Hold the injector body with an adjustable wrench while
you loosen the hold down nut with a 24mm box wrench.
5-95