5-4. FUEL INJECTOR MAINTENANCE INSTRUCTIONS - Continued
If injector ejects fuel at specified pressure, and
Ensure that orifices in nozzle are not plugged.
has a uniform spray pattern, the injector may be
Clean all other parts in dry cleaning solvent and
If ejection pressure is outside the specified pres-
sure range, or dribbles from nozzle, the injector
must be replaced
Mount the injector (4) in an injector nozzle test
Install new gasket (5) in injector bore of cylinder
head. Ensure that the gasket is seated squarely
in bottom of bore.
Fuel from the injector is ejected at 2825
- 2975 psi (195 - 205 bar). Eye protec-
Install injector assembly (4) and secure with injec-
tion is required. Keep hands and arms
away from injector nozzle. Fuel ejected
Torque nuts to 5.9 - 8.7 ft-lbs (8 - 12 Nm), with
at this pressure can penetrate the skin
torque wrench and a 10mm socket.
and cause blood poisoning.
Remove protective cap and plug.
Operate the nozzle test set, observing both the
pressure at which the fuel ejects and for a even
pattern of atomized fuel.