FILTER ELEMENT-AIR 4883498 - Caterpillar

Illustration 1 g01017747
The crankshaft for the three cylinder engine
The crankshaft for the three Cylinder engine
Table 1
The undersize diameter of the Crankshaft Journals
NUMBER 0.25 mm (0.010 inch) 0.51 mm (0.020 inch) 0.76 mm (0.030 inch)
1 75.926 mm (2.9892 inch) to 75.905 mm (2.9884 inch) 75.672 mm (2.9792 inch) to 75.651 mm (2.9784 inch) 75.418 mm (2.9692 inch) to 75.397 mm (2.9684 inch)
2 63.236 mm (2.4896 inch) to 63.216 mm (2.4888 inch) 62.982 mm (2.4796 inch) to 62.962 mm (2.4788 inch) 62.728 mm (2.4696 inch) to 62.708 mm (2.4688 inch)
3 39.74 mm (1.5646 inch)maximum N/A N/A
4 44.68 mm (1.7591 inch)maximum N/A N/A
5 40.551 mm (1.5965 inch)maximum N/A N/A
6 133.17 mm (5.2429 inch) Do not machine this diameter. N/A N/A
7 3.68 mm (0.1449 inch) to 3.96 mm (0.1559 inch) N/A N/A Refer to table 2 for the maximum run out of the crankshaft journals.The maximum difference in value between one crankshaft journal and the next crankshaft journal ... 0.10 mm (0.0039 inch)
Table 2
Journal Excessive run out
(1) Mounting Diameter
(2) 0.051 mm (0.0020 inch)
(3) 0.051 mm (0.0020 inch)
(4) Mounting Diameter Refer to the Specifications Module, "Connecting Rod Bearing Journal" topic for more information on the connecting rod bearing journals and connecting rod bearings.Refer to the Specifications Module, "Main Bearing Journal" topic for information on the main bearing journals and for information on the main bearings.