BRACKET 3843756 - Caterpillar

Illustration 1 g03153160
Illustration 2 g03153163
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 1 420-0455 Camshaft The end of the camshaft that is marked "F" must be placed at the front of the engine.
2 1 420-0456 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 g03153179
Table 2
Item Qty Part Specification Description
- - - Use the following procedure 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 8.5152 mm (0.33524 inch).
Injector lobe (right blank) is 10.0817 mm (0.39692 inch).
Injector lobe (left blank) is 10.0764 mm (0.39671 inch).