HUB 5M2026 - Caterpillar

Illustration 1 g03820372
Table 1
Specification for 383-1769 Valve Mechanism Gp
Item Qty Part Specification Description
1 3 6V-5019 Jam Nut Tighten jam nuts after valve lash or Unit injector timing adjustment is completed.
Torque to 200 25 N m (150 18 lb ft).
2 1 1W-8410 Arm Shaft Assembly Before assembly, lubricate the arm shaft assembly and the rocker arms (3).
Assemble bearing in rocker arm so that the oil holes are aligned
Diameter of new rocker arm shaft is 69.900 0.015 mm (2.7520 0.0006 inch).
Diameter of bore in new bearings for new rocker arm shaft is 70.000 0.015 mm (2.7559 0.0006 inch).
- - - Valve lash adjustment:
Inlet valve clearance is 0.50 0.08 mm (0.020 0.003 inch).
Exhaust valve clearance is 1.27 0.08 mm (0.050 0.003 inch).
- - - Guide springs must not be reused. If the guide springs are removed, always install new guide springs.
4 2 5P-0540 Nut Torque to 100 15 N m (75 11 lb ft).
5 2 6V-5625 Bolt Torque to 430 60 N m (320 44 lb ft).
6 2 6V-6869 Bolt Torque to 430 60 N m (320 44 lb ft).
7 1 7C-0418 Valve Lifter Group Diameter of a new lifter is 55.792 0.026 mm (2.1965 0.0010 inch).
Bore in the guide for the lifter is 56.000 0.020 mm (2.2047 0.0008 inch).