G3304 and G3306 Engines Caterpillar

(1) 阀调整螺钉的锁紧螺母的扭矩 ... 29 ± 7 N·m (21 ± 5 lb ft)

(A) 摇臂轴的尺寸

摇臂套筒轴承中用于新摇臂轴的孔径 ... 18.448 ± 0.013 mm (0.7263 ± 0.0005 in)

新摇臂轴的直径 ... 18.402 ± 0.013 mm (0.7245 ± 0.0005 in)

轴承与磨损的轴之间的最大允许间隙 ... 0.20 mm (0.008 in)

(B) 气门间隙的尺寸

进气门 ... 0.38 ± 0.08 mm (0.015 ± 0.003 in)

排气门 ... 0.75 ± 0.08 mm (0.030 ± 0.003 in)

(C) 气门挺杆的尺寸

新气门挺杆的直径 ... 33.288 ± 0.013 mm (1.3105 ± 0.0005 in)

缸体中用于新气门挺杆的孔径 ... 33.388 ± 0.050 mm (1.3145 ± 0.0020 in)

挺杆和磨损的气门挺杆孔之间的最大允许间隙 ... 0.30 mm (0.0118 in)