G3406 and G3412 Generator Set Engines Caterpillar

Illustration 1	g00734292

(1) Bearing bore and diameter

Bore in bearing of gear after assembly ... 63.602 ± 0.038 mm (2.5040 ± 0.0015 inch)

Diameter of bearing surface of the shaft ... 63.500 ± 0.013 mm (2.5000 ± 0.0005 inch)

(2) Install the bearing from the rear face of the gear assembly to the following depth. ... 1.5 ± 0.5 mm (0.06 ± 0.02 inch)

(3) Length of gear ... 47.60 ± 0.06 mm (1.874 ± 0.002 inch)

Length of the bearing surface of the shaft ... 47.85 ± 0.05 mm (1.884 ± 0.002 inch)