VALVE AS-BRAKE 2179036 - Caterpillar

Illustration 1 g01333876
Typical example
(1) The bearing shell for the connecting rod
Table 1
Thickness of Connecting Rod Bearing at the Center 1.994 to 2 mm (0.0785 to 0.0787 inch)
Thickness of Connecting Rod Bearing for the Cap at the Center 1.994 to 2 mm (0.0785 to 0.0787 inch)
Bearing Clearance 0.025 to 0.070 mm (0.0010 to 0.0028 inch)
Table 2
Undersized Connecting Rod Bearing
0.25 mm (0.010 inch)
0.51 mm (0.020 inch)
0.76 mm (0.030 inch) The mating surfaces of the connecting rod are produced by hydraulically fracturing the forged connecting rod.Tighten the setscrews for the connecting rod again to the following torque. ... 40 N m (30 lb ft)Tighten the setscrews for the connecting rod for an additional 120 degrees. The setscrews for the connecting rod (2) must be replaced after this procedure.Note: Always tighten the connecting rod cap to the connecting rod, when the assembly is out of the engine. Tighten the assembly to the following torque 20 N m (14 lb ft).
Illustration 2 g01333883
Typical example
(3) Diameter of the finished bore for the piston pin ... 39.738 to 39.723 mm (1.5645 to 1.5639 inch) (4) Distance between the parent bores ... 219.05 to 219.1 mm (8.6240 to 8.6260 inch) (5) Diameter for the finished bore for the connecting rod bearing ... 72.025 to 72.05 mm (2.8356 to 2.8366 inch)
Illustration 3 g00915056Connecting rods are color coded. The color code is a reference for the length (Y) of the connecting rod. Refer to table 3 for the different lengths of connecting rods.
Table 3
Length Grades for Connecting Rods
Grade Letter Color Code Length (Y)
R Red 161.259 to 161.292 mm (6.3488 to 6.3501 inch)
G Green 161.183 to 161.216 mm (6.3458 to 6.3471 inch)
B Blue 161.107 to 161.140 mm (6.3428 to 6.3441 inch)