ROCKER ARM GP 2985089 - Caterpillar

Illustration 1 g00876530 (1) Rocker arm Diameter of the rocker arm bore for the bushing ... 22.23 to 22.26 mm (0.8750 to 0.8762 inch) (2) Rocker arm bushing Outside diameter of the rocker arm bushing ... 22.28 to 22.31 mm (0.8770 to 0.8785 inch)Inside diameter of the rocker arm bushing ... 19.06 to 19.10 mm (0.7505 to 0.7520 inch)Clearance between the rocker arm bushing and the rocker shaft ... 0.03 to 0.09 mm (0.001 to 0.0035 inch)Maximum permissible clearance between the rocker arm bushing and the rocker shaft ... 0.13 mm (0.005 inch) (3) Tighten the bolts evenly. Begin in the center and work toward the outside. Tighten the bolts to the following torque. Cast iron or steel rocker shaft brackets ... 88 N m (65 lb ft)Aluminum rocker shaft brackets ... 40 N m (30 lb ft) (4) Diameter of the rocker shaft ... 19.01 to 19.04 mm (0.7485 to 0.7495 inch) (5) Tighten the bolt to the following torque. ... 4 N m (35 lb in)