HUB ASSEM. 7K7431 - Caterpillar

(1) Distance between center of bearings ... 380.00 mm (14.961 in.)(2) Distance that locating pin extends from rod cap ... 4.0 0.5 mm (.16 .02 in.)(3) Bore in connecting rod for bearing with bolts tightened to specifications (6) ... 143.028 0.015 mm (5.6310 .0006 in.)(4) Take the connecting rod bearing measurements on the centerline of the connecting rod bores. Bore in bearing for crankshaft ... 135.133 to 135.194 mm (5.3202 to 5.3226 in.)Clearance between bearing and crankshaft (new) ... 0.107 to 0.218 mm (.0042 to .0086 in.)
VIEW B-B(5) Side of connecting rod with chamfer.(6) Tighten connecting rod bolts as follows: Bolts A and B are on the same end of the rod cap that has bearing tabs and location pin (7).a. Before assembly, put Fel-Pro C100 Lubricant (if not available, use 2P2506 Thread Lubricant) on the bolt threads and all surfaces that make contact between the bolt and the cap.b. Tighten bolts A and B to ... 90 5 N m (65 4 lb.ft.)c. Tighten bolts C and D to ... 90 5 N m (65 4 lb.ft.)d. Tighten bolts A and B again to ... 90 5 N m (65 4 lb.ft.)e. Tighten bolts C and D again to ... 90 5 N m (65 4 lb.ft.)f. Tighten each bolt more ... 90 5°(7) Location pin for correct installation of connecting rod caps.
SECTION A-A(8) Bore in bearing for piston pin (new) ... 70.000 0.008 mm (2.7559 .0003 in.) Diameter of piston pin (new) ... 69.957 0.005 mm (2.7542 .0002 in.) Connecting rod must be heated for installation of piston pin bearing. Do not use a torch. Heat connecting rod to a temperature of ... 175 to 260°C (350 to 500°F)Side clearance between two connecting rods on same crankshaft pin (new):3512 ... 0.850 0.232 mm (.0335 .0091 in.)3516 ... 0.850 0.332 mm (.0335 .0131 in.)