345C MHPU Mobile Hydraulic Power Unit Hydraulic System Caterpillar


Hydraulic Tank and Filter

Usage:

345C L B6N


图 1g01449374
(1) 回油滤清器
(2) 滤芯
(3) 回油室
(4) 液压油箱
(5) 端口
(6) 油道
(7) 管路
(8) 安全阀
(9) 吸入管路
(10) 吸入滤清器

液压油冷却器的回油经过孔口 ( 5) 和油道 (6) 流向回油室 ( 3)。

回油滤清器 (1) 由滤芯 ( 2) 和安全阀 (8) 组成。 两个回油滤清器内部安装在液压油箱中。

回油经过回油滤清器 ( 1) 的滤芯 (2)。 然后,回油经过管路 ( 7) 流向液压油箱 (4)。 此后,机油流过吸油滤清器 ( 10),并经过吸油管 ( 9) 输送至泵。



图 2g01449364
(11) 通风装置

通风装置 (11) 位于液压油箱上表面。 通风装置可防止液压油箱中空气压力升高或降低,并且不受以下环境影响:

  • 由于油缸移动引起液压油箱中的空气压力变化。

  • 由于温度变化引起液压油箱中的空气压力变化。

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