3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Valve Mechanism Cover

Usage:

769C 01X



图 1g01393882



图 2g01393915

摇臂盖底座的拧紧顺序




图 3g01394066

气门机构盖的拧紧顺序

(1) 按所示数字顺序拧紧摇臂盖底座的螺栓至以下扭矩。 ... 14 ± 4 N·m (125 ± 35 lb in)

(2) 按所示数字顺序拧紧摇臂盖底座的螺栓至以下扭矩。 ... 14 ± 4 N·m (125 ± 35 lb in)

注: 安装前,先在密封 (5) 的两端涂抹 3S-6252 密封剂 。

(3) 将摇臂盖底座的密封切至以下长度。 ... 1847.9 ± 6.4 mm (72.75 ± 0.25 in)

(4) 将气门机构盖的密封切至以下长度。 ... 1765.3 ± 6.4 mm (69.50 ± 0.25 in)

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