DRIVE GP-SUPPORT & VIBRATORY 1369744 - Caterpillar

Illustration 1 g03167202
Table 1
Specification for 1W-0789 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 Diameter of the new rocker arm shaft is 69.900 0.015 mm (2.7520 0.0006 inch).
Diameter of bore in the bearings for rocker arm shaft is 70.000 0.015 mm (2.7559 0.0006 inch).
3 - - Guide springs must not be reused. If the guide springs are removed, always install new guide springs.
4 1W-2470 Valve Lifter Group Diameter of a new lifter is 55.900 0.010 mm (2.2008 0.0004 inch).
Bore in the guide for the lifter is 56.000 0.020 mm (2.2047 0.0008 inch).