770G and 772G Off-Highway Truck (OEM) Hydraulic and Braking System Caterpillar


Hydraulic Tank (Brake, Brake Cooling, Hoist)

Usage:

770G RMD



图 1g02419818

液压油箱(制动器、制动器冷却、举倾)从卡车后面观看的视图

(1) 液压油箱(制动器、制动器冷却、举倾)

(2) 呼吸器端口

(3) 远程目测表端口

(4) 远程液压油箱注油管

(5) 机油油位传感器端口

(6) 远程目测表端口

(7) 制动器冷却返回口

(8) 控制阀(举倾)释放返回口

(9) 制动器阀(后行车制动器、减速器控制、牵引力控制)的返回口

(10) 泵和马达(停车制动器释放、辅助转向)停车制动器释放段的吸油口

(11) 齿轮泵(举倾)的吸油口

液压油箱(制动器、制动器冷却、举倾) (1) 安装在驾驶室正后方的机架上。 液压油箱(制动器、制动器冷却、举倾) (1) 为制动器、制动器冷却系统和举倾液压系统供油。 液压油箱注油管 (4) 和远程目测表端口 (3) 位于液压油箱(制动器、制动器冷却、举倾) (1) 的右侧。 呼吸器端口 (2) 位于油箱顶部。 呼吸器端口 (2) 与安装在转向油箱上的一个呼吸器相连。

齿轮泵(举倾)经过一个吸油滤网和齿轮泵(举倾)的吸油口 (11) 从液压油箱(制动器、制动器冷却、举倾) (1) 吸出机油。 齿轮泵(举倾)的吸油口 (11) 位于油箱面向卡车后部的一侧。 机油经过控制阀(举倾)释放返回口 (8) 从控制阀(举倾)返回。




图 2g02419939

A-A 视图

(12) 远程排放口

(13) 齿轮泵(制动器、制动器冷却)的吸油口

(14) 控制歧管(制动蓄能器充注)和制动器阀(前行车制动器)的返回口

齿轮泵(制动器、制动器冷却)经过一个吸油滤网和齿轮泵(制动器、制动器冷却)的吸油口 (13) 从液压油箱(制动器、制动器冷却、举倾) (1) 吸出机油。 制动器冷却机油经由制动器冷却返回口 (7) 返回液压油箱。 制动器机油也经由控制歧管(制动蓄能器充注)和制动器阀(前行车制动器)的返回口 (14) 返回液压油箱。




图 3g02419838

从卡车前方观看远程目测表的视图

(4) 远程液压油箱注油管

(15) 上远程目测表

(16) 下远程目测表

液压油箱(制动器、制动器冷却、举倾) (1) 有两个远程目测表。 上远程目测表 (15) 用于在卡车车斗降下时检查机油油位。 应先在冷油且发动机停机时检查机油油位。 接着在暖油且发动机运转时检查机油油位。 当举倾油缸处于升起位置时,可使用下远程目测表 (16) 。 随着举倾机构油缸的降下,液压油位下降。 举倾油缸降下后,如前所述,使用上远程目测表 (15) 检查液压油箱机油油位。 请参考操作和维护手册以了解液压油箱(制动器、制动器冷却、举倾) (1) 的润滑油粘度和加注容量。

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