3500 Industrial Engines Caterpillar


Fuel Injector Mechanism

Usage:

3508 95Y


Illustration 1g03836598

Table 1
Specification for 332-9690 Valve Mechanism Gp 
Item  Qty  Part  Specification Description 
317-1121 Jam Nut  Torque to 120 ± 15 N·m (89 ± 11 lb ft)
6J-2245 O-Ring Seal  Lubricate the bore lightly with clean engine oil. 
7E-6508 Cap As  Start tightening the retainer nuts of the cap assembly by hand so that the terminal studs are not cross threaded.
Tighten the retainer nuts of the cap assembly to 2.50 ± 0.25 N·m (22.13 ± 2.21 lb in)
100-3878 Injector Spring  Length under test force is 85.00 mm (3.346 inch).
Test force is 300 ± 25 N (67 ± 6 lb).
Free length after test is 87.65 mm (3.451 inch)
230-2620 Bushing  Bore of the bushing for the rocker arm shaft after assembly is 45.077 ± 0.015 mm (1.7747 ± 0.0006 inch).
Installation depth is 0.50 ± 0.25 mm (0.020 ± 0.010 inch)
234-2273 Rocker Arm Shaft  Diameter is 45.000 ± 0.013 mm (1.7716 ± 0.0005 inch) 
282-7944 Injector Lifter As  Diameter is 34.950 ± 0.010 mm (1.3760 ± 0.0004 inch).
Bore in the cylinder head for the unit injector lifter assembly is 35.000 ± 0.025 mm (1.3779 ± 0.0010 inch)

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