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352
Installation
Fuel Injectors
Figure 550 Injector upper O-ring
1.
Upper O-ring (black)
2.
O-ring recess
3.
Fuel inlet port
1. Lubricate a new upper O-ring with clean engine
oil and slide it into the recess just above the four
fuel inlet ports.
Figure 551 Injector lower O-ring
1.
Lower O-ring (yellow)
2.
Fuel inlet port
3.
O-ring recess
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
FUEL SYSTEM
2. Lubricate a new lower O-ring with clean engine oil
and slide it into the recess just below the four fuel
inlet ports.
Figure 552 Installing injector nozzle gasket
1.
2.
CAUTION: To prevent engine damage, do not nick,
scratch or mar nozzle gasket in any way.
3. Install new injector nozzle gasket onto end of
nozzle. It can go on either way.
Figure 553 Install injector assembly
4. Align injector assembly slot with hold down clamp
assembly.
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
Injector nozzle gasket
Gasket location
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