3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Flywheel Housing

Usage:

769C 01X



图 1g00838584

注: 安装飞轮壳体之前,应检查飞轮壳体的前表面和缸体的后表面。 部件必须没有以下物质:机油、燃油、水、密封垫粘合剂、化合物和所有其他异物

按照下列步骤拧紧飞轮壳体总成的螺栓。

  1. 螺栓 1 至螺栓 18 按将图 1 中所示的数字顺序拧紧至 40 ± 10 N·m (30 ± 7 lb ft)。

  1. 将插图 1 中所示的螺栓 1 至螺栓 7 按数字顺序拧紧至 135 ± 20 N·m (100 ± 15 lb ft)。

  1. 将插图 1 中所示的螺栓 8 至螺栓 18 按数字顺序拧紧至 55 ± 10 N·m (41 ± 7 lb ft)。



图 2g01640911



图 3g01640912

A-A 视图

(1) 在即将组装飞轮壳体前,先涂抹连续的 4C-9612 硅胶密封剂 。 在完成后壳体的组装后,用直尺除去法兰上所有多余的密封剂。

(2) 在即将安装油底壳密封垫前,将 4C-9612 硅胶密封剂 涂覆到 T 形接头上。 如图所示,涂覆密封剂时应该将其覆盖到 T 形接头的整个宽度上。

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