RETAINER AS 3844237 - Caterpillar

1. Remove six bolts (2) and washers from the rocker shaft.2. Remove rocker shaft (1) and push rods (3).Install Rocker Shaft And Push Rods
1. Install the push rods (2).2. Put 9M3710 Anti-Seize Compound on threads of the rocker shaft bolts. 3. Put the rocker shaft (1) in position on the engine. Install the bolts and washers. Tighten all the bolts in number sequence to a torque of 115 lb.ft. (155 N m). Tighten all the bolts again in number sequence to a torque of 175 5 lb.ft. (240 7 N m). Last tighten again (hand turn only) in number sequence to a torque of 175 5 lb.ft. (240 7 N m).4. Make adjustments until the inlet valve clearance is .015 in. (0.38 mm) and exhaust valve clearance is .025 in. (0.64 mm). See ENGINE VALVE LASH in the LUBRICATION AND MAINTENANCE GUIDE. Tighten the locknut on the valve adjustment screw to a torque of 21 5 lb.ft. (26 7 N m).end by:a) install valve cover