C9.3 Tier 4 Final Engines Caterpillar


Fuel Injector

Usage:

D6T 2B3


Illustration 1g02663257
(1) Solenoid assembly


Illustration 2g02663258
Exhaust side of the cylinder head


Illustration 3g02663259


Illustration 4g02663261
Intake side of the cylinder head

Table 1
Specification for 345-1974 Fuel Injection Pump Gp 
Item  Qty  Part  Specification Description 
Use the following procedure in order to install the fuel injector group: 
1. Lubricate seals (5) with clean engine oil. Lubricate the injector bore (7) with clean engine oil.
2. Place the injector into the bore. The pin (4) of the injector fits into the groove (6) of the cylinder head.
3. Place the fuel injector clamp (3) with the label "C9" in the UP position.
4. When the injector hits the bottom of the bore, torque the bolt (2) to standard torque.
5. Lubricate the bore and the nut of the quill assembly with clean engine oil. Also, lubricate the threads in the cylinder head with clean engine oil.
6. Insert the quill assembly (8) completely into the cylinder head. Ensure that the ball (9) of the quill assembly is in line with the slot (11) of the cylinder head.
10  278-5519 Nut  Torque to 70 ± 3 N·m (52 ± 2 lb ft)

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