FAN AS-CONDENSER 3994829 - Caterpillar

Illustration 1 g00295602
Connecting Rod And Bearings (1) Inside diameter of rod for bearing ... 42.07 to 42.09 mm (1.656 to 1.657 inch) (2) Outside diameter of bearing for piston pin ... 42.160 to 42.190 mm (1.6600 to 1.6613 inch)Inside diameter of bearing for piston pin after reaming ... 38.120 to 38.140 mm (1.5008 to 1.5015 inch)Clearance between small end bearing and piston pin ... 0.020 to 0.043 mm (0.0008 to 0.0017 inch) (3) Distance between center of piston pin and center of crankshaft bearing ... 219.05 to 219.10 mm (8.624 to 8.626 inch) (4) Bearings are available for remachined journals of the crankshaft with the following undersize dimensions: ... 0.25, 0.51 and 0.76 mm (0.010, 0.020 and 0.030 inch)Shell thickness ... 1.835 to 1.844 mm (0.0723 to 0.0726 inch)Width of connecting rod bearing ... 31.55 to 31.88 mm (1.240 to 1.255 inch)Bearing clearance ... 0.030 to 0.081 mm (0.0012 to 0.0032 inch) (5) Inside diameter of rod for bearing ... 67.210 to 67.220 mm (2.6460 to 2.6465 inch) (6) Connecting rod cap with nuts and boltsTighten the nuts for the connecting rod to the following torque: ... 125 N m (92 lb ft)Connecting rod cap with bolts onlyTighten the bolts for the connecting rod to the following torque: ... 155 N m (114 lb ft)Note: If piston cooling jets are installed, the piston and connecting rod assembly must be turned in order to ensure that the connecting rod will not hit the piston cooling jet when the piston and rod assembly are installed. When the connecting rod has passed the piston cooling jet, turn the connecting rod until the arrow or "Front" mark on the top of the piston is toward the front of the engine.