980M and 982M Medium Wheel Loader Power Train, Steering, Braking, Hydraulic, and Machine Systems Caterpillar


Location of Components (Steering System)

Usage:

982M LRS


图 1g03647818
构成转向电液压系统的部件
(1) 液压油箱
(2) 机具 ECM
(3) 动力传动系 ECM
(4) 左侧转向控制
(5) 方向盘(如有配备)
(6) 转向先导蓄能器
(7) 转向控制阀
(8) 转向油缸
(9) 辅助转向泵
(10) 转向泵


图 2g03650076
构成转向电液压系统的部件
(1) 液压油箱
(2) 机具 ECM
(3) 动力传动系 ECM
(4) 左侧转向控制
(6) 转向先导蓄能器
(7) 转向控制阀
(8) 转向油缸
(9) 辅助转向泵
(10) 转向泵
(11) 制动器/风扇组合阀
(12) 辅助转向分流器阀
(13) 转向压力传感器
(14) 辅助转向泵继电器
(15) 转向油缸传感器

动力传动系 ECM 和机具 ECM



图 3g03647839

变速箱 ECM (2) 和机具 ECM (3) 位于驾驶室后面,在液压油箱附近。

转向操纵杆



图 4g03647840

转向操纵杆 (4) 位于控制台上,在操作员左侧。

转向泵



图 5g03650084

转向泵 (10) 安装在泵驱动齿轮 (19) 的后侧,泵驱动齿轮在发动机和变速箱之间。

辅助转向部件



图 6g03652406
(9) 辅助转向泵(带电动马达)
(12) 辅助转向分流器阀(压力传感器)
(14) 辅助转向泵继电器

辅助转向泵分流器阀



图 7g03651845

辅助转向泵分流器阀 (12) 沿分动器壳体后侧安装在变速箱下方。

辅助转向泵起动继电器



图 8g03651955

辅助转向泵起动继电器 (14) 位于机器左侧的辅助转向泵后面。 该继电器安装在后机架内,在后轮轴的前面。

辅助转向泵(带电动马达)



图 9g03651947

辅助转向泵 (9) 安装在机器左侧的机架上。

转向压力传感器



图 10g03652443

转向压力传感器 (13) 位于辅助转向分流器阀的侧面。

转向油缸



图 11g03656243

转向油缸 (8) 安装在机器的两侧。 油缸缸盖端连接在后机架(EEF)上。 连杆端连接在前机架(NEEF)上。

转向油缸位置传感器



图 12g03657305
(8) 转向油缸
(15) 转向油缸位置传感器
(16) 传感器杆
(17) 磁铁
(18) 传感器头

各转向油缸配备有位置传感器,位于油缸缸盖端处。

制动器和风扇组合阀(主转向先导油)



图 13g03651948

制动器/风扇组合阀 (11) 位于机器右侧的维修中心。

减压阀 (11a) 向转向控制阀中的先导转向电磁阀和主转向电磁阀供应先导油。

减压阀 (11b) 向转向控制阀中的辅助转向电磁阀供应先导油。

转向先导油蓄能器



图 14g03651677

转向先导油蓄能器 (6) 安装在转向控制阀的顶部,转向控制阀安装在分动器壳体前部。 正常工作期间,蓄能器存储先导供油。 如果出现泵流量损失,蓄能器将提供临时供应先导油。

转向控制阀



图 15g03652589

转向控制阀 (5) 安装在分动器壳体前部,靠近铰接钩。 转向控制阀引导供油从转向泵流向转向油缸。

转向控制阀部件



图 16g03655695
转向控制阀和部件
(7) 转向控制阀
(7a) 备用安全阀
(7b) 跨接安全阀和补偿阀
(7c) 左辅助转向电磁阀
(7d) 右辅助转向电磁阀
(7e) 右主转向电磁阀
(7f) 转向先导接通/断开电磁阀
(7g) 左主转向电磁阀
(7h) 跨接安全阀和补偿阀
(7j) 转向控制滑阀位置传感器

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