HUB 7D7442 - Caterpillar

Illustration 1 g03017336
Top view
Table 1
Specification for 379-4835 Valve Mechanism Gp
Item Qty Part Specification Description
1 2 3J-9196 Jam Nut Torque to 70 15 N m (52 11 lb ft).
2 2 7E-6507 Retainer Nut Start tightening the retainer nuts of the cap assembly by hand so that the terminal studs are not cross threaded.
Torque to 2.50 0.25 N m (22.13 2.21 lb in).
3 1 317-1121 Jam Nut Torque to 120 15 N m (89 11 lb ft).
4 1 100-3878 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).
Illustration 2 g03017337
Table 2
Item Qty Part Specification Description
5 1 234-2273 Rocker Arm Shaft Diameter is 45.000 0.013 mm (1.7717 0.0005 inch).
B - - After installation, bore of the bushing in the injector rocker arm assembly (6) is 45.077 0.015 mm (1.7747 0.0006 inch).
C - - After installation, bore of the bushing in the valve rocker arm assembly (7) is 45.077 0.015 mm (1.7747 0.0006 inch).
8 1 6J-2245 O-Ring Seal Before assembly, lubricate the bore lightly with the lubricant that is being sealed.