307E2 Mini Hydraulic Excavator Machine System Specifications Caterpillar


Bucket Linkage

Usage:

307E2 CE2



图 1g01457598

(A) 斗杆

(1) 319-3653

外径 ... 54.89 ± 0.023 mm (2.161 ± 0.001 in)
电镀厚度(最低) ... 0.013 mm (0.0005 in)

(2) 两个 218-5197 套筒轴承

外径 ... 65.15 ± 0.025 mm (2.5650 ± 0.0010 in)
内径 ... 55.2 ± 0.025 mm (2.1732 ± 0.0010 in)
在轴承孔内安装轴承。 ... 5.0 ± 0.5 mm (0.197 ± 0.020 in)

(3) 使用润滑剂稍微润滑要密封的密封唇。

(4) 319-3654

外径 ... 49.89 ± 0.02 mm (1.964 ± 0.001 in)
电镀厚度(最低) ... 0.013 mm (0.0005 in)

(5) 两个 296-9481

外径 ... 49.89 ± 0.02 mm (1.964 ± 0.001 in)
电镀厚度(最低) ... 0.013 mm (0.0005 in)

(6) 将螺母 (B) 安置于螺栓末端 2.0 mm (0.079 in) 处。 对着螺母 (B) 拧紧螺母 (C) 直至扭矩为 70 ± 15 N·m (52 ± 11 lb ft),以锁定销。 2 个位置

(7) 两个 296-9438 套筒轴承

外径 ... 60.17 ± 0.015 mm (2.369 ± 0.001 in)
内径 ... 50.20 ± 0.015 mm (1.976 ± 0.001 in)
在轴承孔内安装轴承。 ... 9.5 ± 0.8 mm (0.374 ± 0.032 in)

(8) 将螺母 (D) 安置于螺栓末端 0.5 mm (0.019 in) 处。 对着螺母 (D) 拧紧螺母 (E) 直至扭矩为 70 ± 15 N·m (52 ± 11 lb ft),以锁定销。 2 个位置

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