345D, 349D and 349D2 Excavator Machine System Specifications Caterpillar


Fan Drive Mounting Group

Usage:

345D L BYC



图 1g01807933

顶视图

(1) 活塞马达总成的技术参数

旋转 ... 自轴端沿顺时针旋转
类型 ... 活塞马达
输出压力 ... 1000 kPa145 (psi)
最小轴转速 ... 900 rpm
每转的排量 ... 58 cc (3.5 cu in)
流量 ... 70 L/min (18 US gpm)



图 2g01807954

注: 护罩和十字轴组件之间的标称间隙为 10.0 mm (0.39 in)。

(2) 8 只螺栓的扭矩 ... 30 ± 7 N·m (22 ± 5 lb ft)

(3) 三条螺栓的扭矩 ... 270 ± 40 N·m (200 ± 30 lb ft)

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