AIR CLEANER GP 4213031 - Caterpillar

1. Remove bolts (2) from rocker shaft (3) and remove rocker shaft. Remove push rods (1).Install Rocker Shafts And Push Rods
1. Install push rods (2). Put rocker shaft (1) in position on the engine. Install the bolts that hold the rocker shaft in position. Tighten the bolts to a torque of 18 5 lb. ft. (24 7 N m).2. Make adjustment until the intake valve clearance is .015 in. (0.38 mm) and the exhaust valve clearance is .025 in. (0.64 mm). Tighten nuts (3) to a torque of 24 5 lb. ft. (30 7 N m).end by:a) install valve covers