69D and 769D Off-Highway Trucks and 771D Quarry Truck Power Train Caterpillar


Relief Valve (Torque Converter Outlet)

Usage:

769D 5SS


图 1g00519264
(1) 进口
(2) 测压口
(3) 动力传动系油温传感器
(4) 变矩器出口安全阀
(5) 出口

变矩器出口安全阀 (4) 安装在变矩器壳体后面。 变矩器出口安全阀 (4) 可以保持变矩器时刻充满机油。

来自变速箱液压控制装置的机油通过进口 (1) 流入变矩器。 这些机油用于变矩器驱动期间在发动机和驱动轴之间建立液压连接。

随后变矩器中的机油将流经变矩器出口安全阀 (4)。 变矩器出口安全阀 (4) 维持变矩器内的压力。 变矩器出口安全阀 (4) 的压力设定可以在测压孔 (2) 处测量。

机油从变矩器出口安全阀 (4) 经过出口 (5) 流向动力传动系机油冷却器。 动力传动系机油冷却器位于发动机右侧。 这些机油从动力传动系机油冷却器流向分动器和变速箱以进行润滑。

动力传动系机油温度传感器 (3) 为 Caterpillar 监控系统提供输入信号,监控系统会将动力传动系机油温度通知给操作员。

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