C4.4 Industrial Engine Crankshaft Caterpillar


Crankshaft
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Illustration 1g02155393
Typical example
(1) Crankshaft gear
(2) Crankshaft
(3) Crankshaft thrust washers

Maximum permissible temperature of the gear for installation on the crankshaft ... 180 °C (356 °F)

Maximum permissible temperature of the drive gear for the balancer (if equipped) for installation on the crankshaft ... 180 °C (356 °F)

Note: Refer to Disassembly and Assembly for the correct procedure to remove and install the drive gear for the balancer.

The end play of a new crankshaft ... 0.1 to 0.41 mm (0.00394 to 0.01614 inch)

Standard thickness of thrust washer ... 2.69 to 2.75 mm (0.10591 to 0.10827 inch)

Oversize thickness of thrust washer ... 2.89 to 2.95 mm (0.11378 to 0.11614 inch)



Illustration 2g02155394
Typical example
(4) Journal 1
(5) Journal 2
(6) Journal 3
(7) Journal 4
(8) Journal 5

Refer to table 1 for the run out of the crankshaft journals.

Table 1
Journal  Run out of the Journals 
(1)  Mounting 
(2)  0.08 mm (0.0031 inch) 
(3)  0.15 mm (0.0059 inch) 
(4)  0.08 mm (0.0031 inch) 
(5)  Mounting 

Inspect the crankshaft for wear or for damage. For more information regarding the servicing of the crankshaft, contact the Dealer Solution Network (DSN).

Refer to Specifications, "Connecting Rod Bearing Journal" for more information on the connecting rod bearing journals and connecting rod bearings.

Refer to Specifications, "Main Bearing Journal" for information on the main bearing journals and for information on the main bearings.

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