A Series Diesel Engine Fuel System 88
Injector – Replacement
Preparatory Steps:
z Disconnect the high pressure fuel supply
lines
z Disconnect the fuel drain manifold.
z 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 loosed. This will cause severe
damage to the head by the injector
locating ball cutting a groove in the bore.
Brass Drift Pin, Hammer
Hit the injector body with the drift pin to loosen any
rust.
22mm Box Wrench, Adjustable Wrench
Hold the injector body with an adjustable wrench
while you loosen the hold won nut with a 22mm box
wrench.
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