ENGINE AR-PRIMARY 3916308 - Caterpillar

Identification of connecting rod bolts. The No. 1 and No. 2 connecting rod bolts are on the same side of the connecting rod as the connecting rod bearing tab slots.1. Lubricate the connecting rod bolt threads, bolt shank, and nut seating faces of the cap and nut with 6V-4876 Molykote Paste Lubricant.2. Tighten nut No. 1 and then tighten nut No. 4 to a torque of 300 30 N m (220 22 lb ft).3. Tighten nut No. 3 and then tighten nut No. 2 to a torque of 300 30 N m (220 22 lb ft).4. Tighten nut No. 3 again and then tighten nut No. 2 again to a torque of 300 30 N m (220 22 lb ft).5. Tighten nut No. 3 and then tighten nut No. 2 an additional 180 5 degrees.6. Tighten nut No. 1 again and then tighten nut No. 4 again to a torque of 300 30 N m (220 22 lb ft).7. Tighten nut No. 1 and then tighten nut No. 4 an additional 180 5 degrees.