BRACE 3498847 - Caterpillar

Illustration 1 g01411580 (1) Bore in rocker arm bushing for shaft ... 24.949 to 24.975 mm (0.9822 to 0.9833 inch) (2) Diameter of rocker arm shaft ... 24.915 to 24.928 mm (0.9809 to 0.9814 inch)Clearance of rocker arm bushing and shaft Minimum ... 0.021 mm (0.0008 inch)Maximum ... 0.060 mm (0.0024 inch)
Illustration 2 g01411576 (3) Align the oil holes in rocker arm bushing (4) with the oil holes in the rocker arm when the rocker arm bushing is replaced.
Illustration 3 g01526063 (5) Torque for six bolts ... 18 2 N m (13 1 lb ft) (6) Torque for six bolts ... 18 2 N m (13 1 lb ft) (7) Torque for bolt ... 74 5 N m (55 4 lb ft)
Illustration 4 g01411582
Valve lash adjustment
Turn the crankshaft until the timing mark on the crankshaft pulley is aligned with the pointer on the timing gear housing in order to adjust the valve lash. Both the No. 1 inlet valve and the No. 1 exhaust valve pushrods must not be in tension against the rocker arms.Inlet valve lash ... 0.25 mm (0.010 inch)Exhaust valve lash ... 0.40 mm (0.016 inch)