345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine System Caterpillar


Boom - 6.90 m (22.638 ft)

Usage:

349D L DKN



图 1g01523036

(1) 斗杆油缸总成

(2) 斗杆总成

(3) 动臂油缸总成

注: 所有孔必须没有油漆。 使用 5P-0960 罐装润滑脂 涂抹销、铲斗、上机架、衬套的所有孔以及油缸销孔。 组装衬套后,将所有孔和衬套涂抹 5P-0960 罐装润滑脂 。

(4) 130-4360 销组件的直径 ... 99.850 ± 0.040 mm (3.9311 ± 0.0016 in)

(5) 根据要求,使用下面的垫片将径向间隙调整至最大值 1.0 mm (0.04 in):

一个 133-2427 垫片 的厚度 ... 0.5 mm (0.02")
一个 093-0090 垫片 的厚度 ... 1.0 mm (0.04")
一个 093-0122 垫片 的厚度 ... 2.0 mm (0.08")

(6) 148-3391 销 的直径 ... 109.85 ± 0.04 mm (4.325 ± 0.002 in)

(7) 将密封的润滑油稍稍涂抹到双唇型密封件的密封唇上。 安装防尘密封,使唇口朝向外侧,如图所示。 安装 2 个唇型密封,确保唇型密封不超出衬套表面。

注: 将衬套 (8) 装入孔中,使衬套的零件号朝外。

(8) 228-5622 衬套

组装前的衬套孔径 ... 130.36 ± 0.04 mm (5.132 ± 0.002 in)
衬套安装深度 ... 9.5 ± 0.8 mm (0.37 ± 0.03 in)

(9) 308-8981 销组件 的直径 ... 119.85 ± 0.04 mm (4.718 ± 0.002 in)

(10) 根据要求,使用下面的垫片将径向间隙调整至最大值 0.8 mm (0.03 in):

一个 147-3957 垫片 的厚度 ... 0.5 mm (0.02")
一个 093-0074 垫片 的厚度 ... 1.0 mm (0.04")
一个 093-0106 垫片 的厚度 ... 2.0 mm (0.08")



图 2g01493953

注: 安装动臂基座的销后,使用 5P-0960 润滑脂筒 通过 (黄油嘴) 加注润滑脂。 安装管塞 (11) 之前,确保润滑脂流出管塞孔。

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