HUB 9G0383 - Caterpillar

Illustration 1 g06226355
Illustration 2 g03153458
Table 1
Item Qty Part Specification Description
Before assembly, lubricate the camshaft bearings, the journals, and the lobes with a 50/50 mixture of green 8T-2998 Lubricant and clean engine oil.
1 1 507-1427 Camshaft The end of the camshaft that is marked "F" must be placed at the front of the engine.
2 1 507-1430 Camshaft The end of the camshaft that is marked "F" must be placed at the front of the engine.
A - - Diameter of camshaft journal is 84.85 0.02 mm (3.341 0.001 inch).
Illustration 3 g03153459
Table 2
Item Qty Part Specification Description
- - - Use the following procedure in order to determine the actual camshaft lobe lift:
1. Measure camshaft lobe height (C).
2. Measure the base circle (D).
3. Subtract the base circle (D) from the camshaft lobe height (C). The difference is the actual camshaft lobe lift (B).
- - - Specified camshaft lobe lift (B) for:
Inlet lobe is 9.4311 mm (0.371300 inch) .
Exhaust lobe is 8.5137 mm (0.33519 inch).
Injector lobe (right bank) is 10.32759 mm (0.406598 inch).
Injector lobe (left bank) is 10.32754 mm (0.406596 inch).