C9.3 Engine for Caterpillar Built Machines Caterpillar


Connecting Rod

Usage:

725C2 2L6


Illustration 1g06347740

Table 1
Item  Qty  Part  Specification Description 
The bearing joint must be within ± 5 degrees of either location. 
160-8197 Bolt  Use the following procedure to tighten the bolts:
1. Tighten the bolt to 50 ± 5 N·m (37 ± 4 lb ft).
2. Again, tighten the bolt to a torque angle of 90 ± 5 degrees. 
Bore in the bearing for the piston pin is 46.035 ± 0.008 mm (1.8124 ± 0.0003 inch)
The connecting rod may be heated from 175° C to 260° C (347° F to 500° F) for the installation of the piston pin bearing. Maximum distance for heating the connecting rod is 83 mm (3.3 inch)
Bore in the connecting rod for the piston pin bearing is 50.640 ± 0.013 mm (1.9937 ± 0.0005 inch)
Distance between the center of the bearing is 217.00 mm (8.543 inch)
Bore in the connecting rod for the crankshaft bearing is 85.000 ± 0.013 mm (3.3465 ± 0.0005 inch)
Lubricate the rod and piston group with clean engine oil before you insert the rod and piston group into the block. 

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