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Auxiliary Water Pump - Sea Water... 3500B Engines #i00574847 Caterpillar


Usage:

3512B 1PW  





图 1g01619933

空气压力为 138 kPa (20 psi) 时的水密封的每分钟最大泄漏量小于 20 cc (1.2 cu in)。

空气压力为 138 kPa (20 psi) 时的唇形密封的每分钟最小泄漏量小于 24 cc (1.5 cu in)。

(A) 从壳体组件端部安装套筒轴承。 ... 0.00 至 − 0.25 mm (0.000 至 − 0.010 in)

(B) 组装泵轴组件后新套筒轴承孔孔径 ... 54.122 ± 0.025 mm (2.1308 ± 0.0010 in)

(1) 用少量清洁的机油、甘油或清洁的水润滑 O 形密封圈孔。

(2) 使用润滑剂稍微润滑要密封的 O 形密封圈孔。

(3) 螺栓的扭矩 ... 38 ± 4 N·m (28 ± 3 lb ft)

(4) 排放螺塞的扭矩 ... 35 ± 5 N·m (26 ± 4 lb ft)

(5) 管塞扭矩 ... 14 ± 2 N·m (10 ± 1 lb ft)

采用以下步骤安装水泵密封组件 (6) :

  1. 拆卸水泵密封组件的弹簧。

  1. 涂上清洁的水或 P-80 润滑剂以辅助安装水泵密封组件。 采用安装工具和手将橡胶密封件和陶瓷环作为一个单元压装在壳体的孔内。 确保安装后陶瓷环的光滑面朝向水泵密封组件。

  1. 采用密封安装工具和手将水泵密封组件压装在轴上,使密封面彼此轻微接触。

    注: 密封安装工具是更换水泵密封组件的一部分。




    图 2g01619936

  1. 安装弹簧。

    组装长度 (C) ... 17.45 ± 0.79 mm (0.687 ± 0.031 in)

    组装长度上的负载 ... 40.03 ± 4.45 N (9 ± 1 lb)

(7) 不要润滑唇形密封的密封唇。

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