C13 Tier 4 Final Engines Caterpillar


Electronic Unit Injector

Usage:

730C2 2T4


Illustration 1g03368526

Table 1
Specification for 372-6471 Fuel Injection Pump Gp 
Item  Qty  Part  Specification Description 
8T-0644 Bolt  Torque to 70 ± 15 N·m (52 ± 11 lb ft)
230-3775 O-Ring Seal  Lubricate the seal lightly with a 50/50 mixture of green 8T-2998 Lubricant and engine oil. 
230-3728 O-Ring Seal  Lubricate the seal lightly with a 50/50 mixture of green 8T-2998 Lubricant and engine oil. 


Illustration 2g03368530
378-4610 Fuel Injector Gp

Table 2
Item  Qty  Part  Specification Description 
333-4871 Spring  Length under test force is 77.0 mm (3.03 inch).
Test force is 550.0 ± 26.0 N (123.6 ± 5.8 lb).
Free length after test is 88.24 mm (3.474 inch)
283-8654 Screw  Torque to 1.1 ± 0.1 N·m (9.7 ± 0.9 lb in)
348-4049 Unit Injector Nozzle  Lubricate the threads with Vactra No. 2 MSDS 5380.
Torque to 12 N·m (106 lb in) and start tracking turn angle to reach final turn angle of 43 ± 2 degrees. Final case torque to reach 100 ± 20 N·m (74 ± 15 lb ft)
254-4379 Nozzle Spring  Length under test force is 12.73 mm (0.501 inch).
Test force is 239.5 ± 10.0 N (53.8 ± 2.2 lb).
Free length after test is 15.25 mm (0.600 inch)


Illustration 3g03368531
298-5517 Actuator As

Table 3
Item  Qty  Part  Specification Description 
421-5853 Flat Head Screw  Before assembly, apply green Loctite 290 to the threads.
Torque to 2.9 ± 0.7 N·m (25.7 ± 6.2 lb in)
269-3183 Solenoid Spring  Length under test force is 11.541 mm (0.4544 inch).
Test force is 70.8 N (15.9 lb).
Free length after test is 12.6 mm (0.50 inch)
10  254-4376 Spacer  Select the spacer to provide spring force of 80.0 ± 1.0 N (18.0 ± 0.2 lb)
11  298-5534 Nut  Torque to 1.1 ± 0.1 N·m (9.7 ± 0.9 lb in)
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