320C Excavator Machine System Specifications Caterpillar


Final Drive

Usage:

320C BBL



图 1g00848243

(1) 将 1U-8846 密封胶 涂抹到齿轮法兰上。

(2) 七个弹簧销安装后,在每个弹簧销孔的开口附近做上标桩记号。 视图 A 内显示了具体示例。

(3) 七个弹簧销的尺寸 ... 2.25 mm (0.089 in)

(4) 将 5P-3931 抗咬合剂 涂抹到与轴承 (3) 间的接触面上。

(5) 组装时,O 形浮动油封环及所有与 O 形环接触的表面必须清洁、干燥。 安装前,先在金属密封件的接触面上涂抹一薄层润滑油。

(6) 两只螺塞的扭矩 ... 80 ± 10 N·m (59 ± 7 lb ft)

(7) 将 5P-3931 抗咬合剂 涂抹到与定位销 (7) 间的接触面上。

要想调整轴承 (4) 的预载,完成以下程序。

  1. 将 4000 kg (8820 lb) 的负载 (P) 放到轴承 (4) 上。

  1. 转动壳体 (8) 以座放轴承。

  1. 将负载 (P) 降低至 1000 ± 100 kg (2200 ± 220 lb)。

  1. 测量尺寸 (A) 。

  1. 测量挡块 (9) 的尺寸 (B) 。

  1. 将挡块安装到壳体 (9) 上,以便在轴承 (4) 和齿轮间获得正确的间隙。 获得正确间隙的公式为 (A-B) ± 0.05 mm (.002 in)。 这便是尺寸 (C) 。

  1. 利用冲头将位置 (10) 处的挡块冲压变形,以获得正确的尺寸。

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