988H Wheel Loader Steering System Caterpillar


Articulated Hitch

Usage:

988H A7A

上部铰接




图 1g00813148

组装前将 5P-3931 防咬合剂 涂敷在机架上的轴承孔内。

组装前用 5P-0960 钼润滑脂 润滑密封。

(1) 上部销间隙

141-2155 垫片组 包括如下厚度。 需要时,使用垫片:
10 个垫片 ... 0.16 mm (0.006 in)
2 个垫片 ... 0.8 mm (0.032 in)
14 个垫片 ... 0.05 mm (0.002 in)

(2) 5 个内螺栓的扭矩 ... 270 ± 40 N·m
(200 ± 30 lb ft)

(10) 10 个外螺栓的扭矩 ... 100 ± 20 N·m
(75 ± 15 lb ft)

(4) 12 个螺栓的扭矩 ... 100 ± 20 N·m (75 ± 15 lb ft)

(5) 3K-6401 垫片组 用于获得轧制扭矩技术规格。 垫片组可提供下列厚度。 需要时,使用这些垫片:

8 个垫片 ... 0.16 mm (0.006 in)
1 个垫片 ... 0.81 mm (0.032 in)
10 个垫片 ... 0.05 mm (0.002 in)
最小轧制扭矩 ... 10 N·m (90 lb in)
最大轧制扭矩 ... 34 N·m (300 lb in)

参考有关轧制扭矩的更多信息,请参阅正在维修的机器的维修手册模块拆解和组装, "装载机机架和后机架 - 连接"以及测试和调整, "铰接连结 - 调整"。

(6) 下部销间隙

141-2156 垫片组 包括如下厚度。 需要时,使用垫片:
10 个垫片 ... 0.16 mm (0.006 in)
2 个垫片 ... 0.8 mm (0.032 in)
14 个垫片 ... 0.05 mm (0.002 in)

(7) 5 个螺栓的扭矩 ... 270 ± 40 N·m
(200 ± 30 lb ft)

下部铰接




图 2g01071654

组装前将 5P-3931 防咬合剂 涂敷在机架上的轴承孔内。

组装前用 5P-0960 钼润滑脂 润滑密封。

(8) 1 个螺栓的扭矩 ... 460 ± 60 N·m (340 ± 45 lb ft)

(9) 6 个螺栓的扭矩 ... 100 ± 20 N·m (75 ± 15 lb ft)

(5) 255-8246 垫片组 用于获得轧制扭矩技术规格。 垫片组可提供下列厚度。 需要时,使用这些垫片:

9 个垫片 ... 0.16 mm (0.006 in)
1 个垫片 ... 0.80 mm (0.031 in)
10 个垫片 ... 0.05 mm (0.002 in)
最小轧制扭矩 ... 5 N·m (45 lb in)
最大轧制扭矩 ... 15 N·m (133 lb in)

参考有关轧制扭矩的更多信息,请参阅正在维修的机器的维修手册模块拆解和组装, "装载机机架和后机架 - 连接"以及测试和调整, "铰接连结 - 调整"。

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