793C and 793C XQ Off-Highway Truck Power Train Caterpillar


Transmission Hydraulic Control

Usage:

793C 4AR


注意

请勿使用任何腐蚀性物质清洁本总成的任何零件。 腐蚀性物质会腐蚀或损坏零件。




图 1g00946476
顶视图

(1)请参阅 技术规格, "电磁阀(升档、降档或锁定离合器) "。

(2)用少许密封的润滑剂润滑孔。

(3) 4 个标有 "X" 的螺栓的扭矩 ... 48 ± 4 N·m (35 ± 3 lb ft)

(4) 五个螺栓的扭矩 ... 30 ± 4 N·m (22 ± 3 lb ft)

(5) 螺栓的扭矩 ... 48 ± 4 N·m (35 ± 3 lb ft)

(6) 12 个螺栓的扭矩 ... 30 ± 4 N·m (22 ± 3 lb ft)

(7) 变速箱液压控制阀

注: 变速箱液压控制阀的所有零件应作为一个整体进行测试。 变速箱液压控制阀的所有零件应作为一个整体组装到变速箱内。 对该整体进行测试之后,任何时候都不能再将该整体的各个零件互换。 维修期间,将提供变速箱液压控制阀的各个零件。



图 2g00946477
变速箱液压控制阀

(8)请参阅 技术规格, "压力控制阀(变速箱) "。

(9)请参阅 技术规格, "选档器和压力控制阀(变速箱) "。

(10) 两个螺栓的扭矩 ... 30 ± 4 N·m (22 ± 3 lb ft)

(11)请参阅 技术规格, "旋转执行器(变速箱) "。



图 3g00946478
A-A 视图

(12) 2 只螺栓的扭矩 ... 48 ± 4 N·m (35 ± 3 lb ft)

(13)用少量密封的润滑剂润滑密封唇。

注: 在您安装唇形密封之前,在密封孔上涂覆一层 7M-7260 液体密封垫。 在您安装密封之前,让液体密封垫干燥。 请勿将任何液体密封垫涂抹在唇形密封上。 安装密封时,使密封唇朝向部件内部。

(14) 2 个螺栓的扭矩 ... 48 ± 4 N·m (35 ± 3 lb ft)

(15)变速箱档位开关

(16) 请参阅 技术规格, "润滑安全阀(变速箱) "。

安装扭矩 ... 41 ± 7 N·m (30 ± 5 lb ft)

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