CORE AS 2002970 - Caterpillar

Illustration 1 g00693257
Typical example
(1) Connecting rod (2) Piston pin bearingClearance between the piston pin and the piston pin bearing (All models) ... 0.010 to 0.025 mm (0.00040 to 0.00099 inch)Service limitC1.1 ... 0.08 mm (0.0031 inch)C1.5 and C2.2 ... 0.10 mm (0.004 inch) (3) Tighten the nut and bolt to the following torque.C1.1 ... 32 N m (283 lb in)C1.5 and C2.2 ... 52 N m (38 lb ft) (4) Connecting rod bearingClearance between the connecting rod bore and the connecting rod bearing ... 0.10 to 0.30 mm (0.004 to 0.012 inch)Service limit ... 0.70 mm (0.0276 inch)Markings on the Connecting Rod
Illustration 2 g00555416
Typical example
The pistons and connecting rods are matched to each cylinder. Note the position of each connecting rod and piston for correct assembly.Identification marks (1) on the connecting rod and on the connecting rod cap must be matched and aligned. When the connecting rod is installed correctly, the marks should face the right side of the engine.Refer to Systems Operation, Testing and Adjusting, "Connecting Rod - Inspect" for the procedure to measure distortion and parallelism of the connecting rod.